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timestamp[us]date 1999-12-11 03:00:00
2025-07-19 00:40:46
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---|---|---|---|---|---|---|---|---|---|---|---|---|
A363901 | Expansion of Sum_{k>0} x^k / (1 - x^(3*k))^2. | [
"1",
"1",
"1",
"3",
"1",
"1",
"4",
"3",
"1",
"5",
"1",
"3",
"6",
"4",
"1",
"9",
"1",
"1",
"8",
"7",
"4",
"9",
"1",
"3",
"10",
"6",
"1",
"16",
"1",
"5",
"12",
"9",
"1",
"13",
"4",
"3",
"14",
"8",
"6",
"21",
"1",
"4",
"16",
"11",
"1",
"17",
"1",
"9",
"21",
"14",
"1",
"26",
"1",
"1",
"20",
"16",
"8",
"21",
"1",
"7",
"22",
"12",
"4",
"31",
"6",
"9",
"24",
"15",
"1",
"32",
"1",
"3",
"26",
"14",
"10",
"36",
"4",
"6",
"28",
"27",
"1",
"29",
"1",
"16",
"30",
"16",
"1",
"41",
"1"
]
| [
"nonn"
]
| 18 | 1 | 4 | [
"A001817",
"A078181",
"A113415",
"A363901",
"A363903"
]
| null | Seiichi Manyama, Jun 27 2023 | 2023-06-29T08:58:14 | oeisdata/seq/A363/A363901.seq | c32c428d9c277b583630e2a0365d4676 |
A363902 | Expansion of Sum_{k>0} x^(2*k) / (1 - x^(3*k))^2. | [
"0",
"1",
"0",
"1",
"2",
"1",
"0",
"4",
"0",
"3",
"4",
"1",
"0",
"6",
"2",
"4",
"6",
"1",
"0",
"10",
"0",
"5",
"8",
"4",
"2",
"10",
"0",
"6",
"10",
"3",
"0",
"15",
"4",
"7",
"14",
"1",
"0",
"14",
"0",
"13",
"14",
"6",
"0",
"20",
"2",
"9",
"16",
"4",
"0",
"20",
"6",
"10",
"18",
"1",
"6",
"28",
"0",
"11",
"20",
"10",
"0",
"22",
"0",
"15",
"24",
"5",
"0",
"30",
"8",
"20",
"24",
"4",
"0",
"26",
"2",
"14",
"30",
"10",
"0",
"40",
"0",
"15",
"28",
"6",
"8"
]
| [
"nonn"
]
| 22 | 1 | 5 | [
"A001822",
"A078182",
"A113415",
"A363901",
"A363902",
"A363904"
]
| null | Seiichi Manyama, Jun 27 2023 | 2023-06-29T08:58:11 | oeisdata/seq/A363/A363902.seq | bd63becf6d7bdcf020ada5ac6f975e06 |
A363903 | Expansion of Sum_{k>0} x^k / (1 - x^(4*k))^2. | [
"1",
"1",
"1",
"1",
"3",
"1",
"1",
"1",
"4",
"3",
"1",
"1",
"5",
"1",
"3",
"1",
"6",
"4",
"1",
"3",
"7",
"1",
"1",
"1",
"10",
"5",
"4",
"1",
"9",
"3",
"1",
"1",
"10",
"6",
"3",
"4",
"11",
"1",
"5",
"3",
"12",
"7",
"1",
"1",
"18",
"1",
"1",
"1",
"14",
"10",
"6",
"5",
"15",
"4",
"3",
"1",
"16",
"9",
"1",
"3",
"17",
"1",
"10",
"1",
"24",
"10",
"1",
"6",
"19",
"3",
"1",
"4",
"20",
"11",
"10",
"1",
"21",
"5",
"1",
"3",
"25",
"12",
"1",
"7",
"30",
"1",
"9",
"1",
"24",
"18",
"5",
"1",
"25",
"1",
"3",
"1"
]
| [
"nonn"
]
| 17 | 1 | 5 | [
"A001826",
"A050449",
"A363901",
"A363903",
"A363925"
]
| null | Seiichi Manyama, Jun 27 2023 | 2023-06-29T08:58:08 | oeisdata/seq/A363/A363903.seq | a20c9b4b4e72e12469ec86be065a908b |
A363904 | Expansion of Sum_{k>0} x^(3*k) / (1 - x^(4*k))^2. | [
"0",
"0",
"1",
"0",
"0",
"1",
"2",
"0",
"1",
"0",
"3",
"1",
"0",
"2",
"5",
"0",
"0",
"1",
"5",
"0",
"3",
"3",
"6",
"1",
"0",
"0",
"8",
"2",
"0",
"5",
"8",
"0",
"4",
"0",
"11",
"1",
"0",
"5",
"11",
"0",
"0",
"3",
"11",
"3",
"5",
"6",
"12",
"1",
"2",
"0",
"14",
"0",
"0",
"8",
"17",
"2",
"6",
"0",
"15",
"5",
"0",
"8",
"19",
"0",
"0",
"4",
"17",
"0",
"7",
"11",
"18",
"1",
"0",
"0",
"24",
"5",
"5",
"11",
"20",
"0",
"8",
"0",
"21",
"3",
"0",
"11",
"23",
"3",
"0",
"5",
"25",
"6"
]
| [
"nonn"
]
| 17 | 1 | 7 | [
"A001842",
"A050452",
"A113415",
"A363902",
"A363903",
"A363904"
]
| null | Seiichi Manyama, Jun 27 2023 | 2023-06-29T08:58:04 | oeisdata/seq/A363/A363904.seq | 7b840664689b778dee522582c340610f |
A363905 | Numbers whose square and cube taken together contain each decimal digit. | [
"69",
"128",
"203",
"302",
"327",
"366",
"398",
"467",
"542",
"591",
"593",
"598",
"633",
"643",
"669",
"690",
"747",
"759",
"903",
"923",
"943",
"1016",
"1018",
"1027",
"1028",
"1043",
"1086",
"1112",
"1182",
"1194",
"1199",
"1233",
"1278",
"1280",
"1282",
"1328",
"1336",
"1364",
"1396",
"1419",
"1459",
"1463",
"1467",
"1472",
"1475"
]
| [
"nonn",
"base",
"less"
]
| 20 | 1 | 1 | [
"A036744",
"A054038",
"A071519",
"A119735",
"A156977",
"A363905"
]
| null | M. F. Hasler, Jun 27 2023 | 2023-06-28T07:50:28 | oeisdata/seq/A363/A363905.seq | 0c27319c82f831e469194fc71606f3e8 |
A363906 | Decimal expansion of Sum_{n>=1} (arcsin(1/n) - sin(1/n)). | [
"7",
"9",
"9",
"5",
"8",
"8",
"6",
"2",
"3",
"5",
"5",
"3",
"3",
"7",
"6",
"9",
"9",
"0",
"1",
"1",
"3",
"9",
"9",
"1",
"1",
"1",
"3",
"5",
"2",
"7",
"2",
"3",
"9",
"8",
"2",
"5",
"0",
"4",
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"1",
"7",
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"2",
"8",
"4",
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"9",
"0",
"7",
"7",
"7",
"9",
"6",
"8",
"3",
"6",
"4",
"1",
"1",
"6",
"5",
"9",
"2",
"8",
"4",
"3",
"6",
"7",
"7",
"3",
"0",
"4",
"0",
"6",
"7",
"7",
"5",
"5",
"7",
"2",
"1",
"7",
"9",
"1",
"8",
"1",
"7"
]
| [
"nonn",
"cons"
]
| 22 | 0 | 1 | [
"A096444",
"A248946",
"A342680",
"A362662",
"A363906"
]
| null | Bernard Schott, Jun 27 2023 | 2023-06-29T09:51:45 | oeisdata/seq/A363/A363906.seq | cc01d40e802f0055bd5d24b41e732230 |
A363907 | T(n,k) is the number of bounded regions in B(k, n) (see link). | [
"0",
"1",
"0",
"2",
"2",
"0",
"3",
"13",
"6",
"0",
"4",
"42",
"192",
"24",
"0",
"5",
"101",
"1858",
"5388",
"120",
"0",
"6",
"205",
"10644",
"204117",
"255180",
"720",
"0",
"7",
"372",
"44595",
"3458276",
"46545915",
"18699210"
]
| [
"nonn",
"tabl",
"more"
]
| 5 | 2 | 4 | null | null | Michel Marcus, Jun 27 2023 | 2023-06-27T11:39:01 | oeisdata/seq/A363/A363907.seq | d312ac0ff19b1fbbc32fb6e226667c5b |
A363908 | a(n) = exp(-1/5) * Sum_{k>=0} (5*k + 4)^n / (5^k * k!). | [
"1",
"5",
"30",
"225",
"2075",
"22500",
"276875",
"3790625",
"57050000",
"934984375",
"16549046875",
"314146406250",
"6358972578125",
"136603266015625",
"3101556258593750",
"74164388642578125",
"1861859526474609375",
"48936176077929687500",
"1343302192888037109375",
"38425435693841064453125",
"1143143051078878906250000"
]
| [
"nonn"
]
| 8 | 0 | 2 | [
"A007405",
"A050488",
"A355164",
"A355167",
"A363908"
]
| null | Michael De Vlieger, Jun 27 2023 | 2023-06-27T11:44:52 | oeisdata/seq/A363/A363908.seq | 99513785bf192c5151d15d9ed39c1227 |
A363909 | Numbers whose square and cube taken together contain each decimal digit at least twice. | [
"6534",
"11027",
"11994",
"21906",
"22178",
"22195",
"23317",
"24567",
"27019",
"27963",
"28354",
"29099",
"29309",
"29339",
"29375",
"29558",
"29621",
"30184",
"30552",
"30584",
"31578",
"31727",
"32447",
"32633",
"32793",
"32912",
"32923",
"33087",
"33257",
"33527",
"34284",
"35717",
"36943",
"36958",
"37697",
"38463"
]
| [
"nonn",
"base",
"less"
]
| 9 | 1 | 1 | [
"A036744",
"A054038",
"A071519",
"A119735",
"A156977",
"A363905",
"A363909"
]
| null | M. F. Hasler, Jun 27 2023 | 2023-08-02T14:02:04 | oeisdata/seq/A363/A363909.seq | f7e396dadb1d92fd89a0895629bf58b9 |
A363910 | Triangular array read by rows: T(n,k) = the number of closed meanders with n top arches and k closed meanders in the reduction of the closed meander by the reverse of the exterior arch splitting algorithm. | [
"1",
"0",
"2",
"0",
"2",
"6",
"0",
"6",
"14",
"22",
"0",
"28",
"56",
"86",
"92",
"0",
"162",
"298",
"428",
"518",
"422",
"0",
"1076",
"1868",
"2562",
"3096",
"3144",
"2074",
"0",
"7852",
"13076",
"17292",
"20624",
"21990",
"19366",
"10754"
]
| [
"nonn",
"tabl",
"more"
]
| 24 | 1 | 3 | [
"A000682",
"A001181",
"A005315",
"A005316",
"A363910"
]
| null | Roger Ford, Jun 27 2023 | 2023-12-30T19:59:36 | oeisdata/seq/A363/A363910.seq | a4f8252f4ecddd3b658da2996219cd86 |
A363911 | n! times the number of posets with n unlabeled elements. | [
"1",
"1",
"4",
"30",
"384",
"7560",
"228960",
"10306800",
"685399680",
"66490865280",
"9316160179200",
"1866087527673600",
"529244914160793600",
"210621677079215001600",
"116661392964364363315200",
"89281569344544938769408000",
"93799600948326479830880256000"
]
| [
"nonn"
]
| 13 | 0 | 3 | [
"A000112",
"A000142",
"A001035",
"A003425",
"A363911"
]
| null | Geoffrey Critzer, Jun 27 2023 | 2023-06-29T17:00:47 | oeisdata/seq/A363/A363911.seq | d6ee56ab52fa0a15f38b904b3a46c0a7 |
A363912 | Row sums of A363733. | [
"1",
"1",
"2",
"5",
"12",
"30",
"80",
"236",
"782",
"2872",
"11551",
"50208",
"233475",
"1153424",
"6022129",
"33094892",
"190798443",
"1150698311",
"7241821945",
"47455029775",
"323155438297",
"2282781968327",
"16700909857189",
"126356647220803",
"987303496571557",
"7957134024398329",
"66071773173223712"
]
| [
"nonn"
]
| 4 | 0 | 3 | [
"A363733",
"A363912"
]
| null | Peter Luschny, Jun 28 2023 | 2023-06-28T16:01:15 | oeisdata/seq/A363/A363912.seq | 9dce20d25f8124c7b2b13e175745c00a |
A363913 | a(n) = Sum_{k=0..n} divides(k, n) * 3^k, where divides(k, n) = 1 if k divides n, otherwise 0. | [
"1",
"3",
"12",
"30",
"93",
"246",
"768",
"2190",
"6654",
"19713",
"59304",
"177150",
"532290",
"1594326",
"4785168",
"14349180",
"43053375",
"129140166",
"387440940",
"1162261470",
"3486843786",
"10460355420",
"31381236768",
"94143178830",
"282430075332",
"847288609689",
"2541867422664",
"7625597504700",
"22876797240210"
]
| [
"nonn"
]
| 19 | 0 | 2 | [
"A000005",
"A000007",
"A055895",
"A113704",
"A363421",
"A363733",
"A363734",
"A363735",
"A363913"
]
| null | Peter Luschny, Jun 28 2023 | 2024-06-26T04:21:58 | oeisdata/seq/A363/A363913.seq | aa09b426c341b36a706b42222c8314ba |
A363914 | The Moebius triangle read by rows. Inverse matrix of the divisibility triangle A113704. | [
"1",
"0",
"1",
"0",
"-1",
"1",
"0",
"-1",
"0",
"1",
"0",
"0",
"-1",
"0",
"1",
"0",
"-1",
"0",
"0",
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"1",
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"-1",
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"0",
"0",
"0",
"0",
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"1",
"0",
"0",
"1",
"0",
"-1",
"0",
"-1",
"0",
"0",
"0",
"0",
"0",
"1"
]
| [
"sign",
"tabl"
]
| 22 | 0 | null | [
"A000010",
"A008683",
"A019590",
"A054525",
"A113704",
"A130779",
"A363914"
]
| null | Peter Luschny, Jul 01 2023 | 2023-07-29T16:40:47 | oeisdata/seq/A363/A363914.seq | 046b62689ad1978cfbea9e0f12c62fb0 |
A363915 | Triangle read by rows. The indicator function for prime divisors, the Euclid matrix. | [
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"1",
"0",
"0",
"1",
"0",
"0",
"0",
"0",
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"0",
"1",
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"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"1",
"1",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0"
]
| [
"nonn",
"tabl"
]
| 12 | 0 | null | [
"A001221",
"A008472",
"A010051",
"A087624",
"A113704",
"A351619",
"A363914",
"A363915"
]
| null | Peter Luschny, Jul 03 2023 | 2023-08-05T21:22:00 | oeisdata/seq/A363/A363915.seq | 7b85294ad82b5aecfed84d882a9b1452 |
A363916 | Array read by descending antidiagonals. A(n, k) = Sum_{d=0..k} A363914(k, d) * n^d. | [
"1",
"0",
"1",
"0",
"1",
"1",
"0",
"0",
"2",
"1",
"0",
"0",
"2",
"3",
"1",
"0",
"0",
"6",
"6",
"4",
"1",
"0",
"0",
"12",
"24",
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"5",
"1",
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"0",
"30",
"72",
"60",
"20",
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"1",
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"0",
"54",
"240",
"240",
"120",
"30",
"7",
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"0",
"0",
"126",
"696",
"1020",
"600",
"210",
"42",
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"1",
"0",
"0",
"240",
"2184",
"4020",
"3120",
"1260",
"336",
"56",
"9",
"1"
]
| [
"nonn",
"tabl"
]
| 7 | 0 | 9 | [
"A000007",
"A000012",
"A001477",
"A002378",
"A007531",
"A019590",
"A027375",
"A047928",
"A054718",
"A054719",
"A054720",
"A054721",
"A061167",
"A074650",
"A133499",
"A143324",
"A218124",
"A218125",
"A218130",
"A218131",
"A252764",
"A363914",
"A363916"
]
| null | Peter Luschny, Jul 04 2023 | 2023-07-05T08:25:40 | oeisdata/seq/A363/A363916.seq | 153fce0070770b743df91f938d5498d3 |
A363917 | a(n) = Product_{p in Factors(n)} mult(p) * n^mult(p) / p, where Factors(n) is the integer factorization of n and mult(p) the multiplicity of the prime factor p. | [
"1",
"1",
"1",
"16",
"1",
"6",
"1",
"768",
"54",
"10",
"1",
"576",
"1",
"14",
"15",
"131072",
"1",
"1944",
"1",
"1600",
"21",
"22",
"1",
"165888",
"250",
"26",
"19683",
"3136",
"1",
"900",
"1",
"83886080",
"33",
"34",
"35",
"1119744",
"1",
"38",
"39",
"768000",
"1",
"1764",
"1",
"7744",
"12150",
"46",
"1",
"169869312",
"686",
"25000",
"51",
"10816",
"1",
"4251528"
]
| [
"nonn"
]
| 5 | 1 | 4 | [
"A005361",
"A205959",
"A363917",
"A363918",
"A363923"
]
| null | Peter Luschny, Jul 19 2023 | 2023-07-19T07:48:22 | oeisdata/seq/A363/A363917.seq | 75da20039a269da256e84af087bbd61b |
A363918 | a(n) = Product_{p in Factors(n)} mult(p)*n^(mult(p) - 1), where Factors(n) is the integer factorization of n and mult(p) the multiplicity of the prime factor p. | [
"1",
"1",
"1",
"8",
"1",
"1",
"1",
"192",
"18",
"1",
"1",
"24",
"1",
"1",
"1",
"16384",
"1",
"36",
"1",
"40",
"1",
"1",
"1",
"1728",
"50",
"1",
"2187",
"56",
"1",
"1",
"1",
"5242880",
"1",
"1",
"1",
"5184",
"1",
"1",
"1",
"4800",
"1",
"1",
"1",
"88",
"90",
"1",
"1",
"442368",
"98",
"100",
"1",
"104",
"1",
"8748",
"1",
"9408",
"1",
"1",
"1",
"120",
"1",
"1",
"126",
"6442450944",
"1",
"1",
"1",
"136"
]
| [
"nonn"
]
| 9 | 1 | 4 | [
"A005361",
"A205959",
"A303915",
"A363917",
"A363918",
"A363919",
"A363923"
]
| null | Peter Luschny, Jul 19 2023 | 2023-07-19T07:48:16 | oeisdata/seq/A363/A363918.seq | dca7c88613d592eb72ae4be4f0a0c381 |
A363919 | a(n) = n^excess(n), where excess(n) = A046660(n). | [
"1",
"1",
"1",
"4",
"1",
"1",
"1",
"64",
"9",
"1",
"1",
"12",
"1",
"1",
"1",
"4096",
"1",
"18",
"1",
"20",
"1",
"1",
"1",
"576",
"25",
"1",
"729",
"28",
"1",
"1",
"1",
"1048576",
"1",
"1",
"1",
"1296",
"1",
"1",
"1",
"1600",
"1",
"1",
"1",
"44",
"45",
"1",
"1",
"110592",
"49",
"50",
"1",
"52",
"1",
"2916",
"1",
"3136",
"1",
"1",
"1",
"60",
"1",
"1",
"63",
"1073741824",
"1",
"1",
"1",
"68"
]
| [
"nonn"
]
| 36 | 1 | 4 | [
"A001221",
"A001222",
"A005117",
"A013929",
"A046660",
"A053763",
"A056170",
"A060687",
"A205959",
"A337945",
"A363919",
"A363923"
]
| null | Peter Luschny and Michael De Vlieger, Jul 14 2023 | 2023-07-19T01:02:19 | oeisdata/seq/A363/A363919.seq | afbf8d3996d2f447a1d59c14fe88440c |
A363920 | a(n) = n^(tpf(n) * dpf(n)), where tpf(n) is the total number of prime factors of n if n >= 2 and otherwise = 0; dpf(n) is the number of distinct prime factors of n if n >= 2 and otherwise = 0. | [
"1",
"1",
"2",
"3",
"16",
"5",
"1296",
"7",
"512",
"81",
"10000",
"11",
"2985984",
"13",
"38416",
"50625",
"65536",
"17",
"34012224",
"19",
"64000000",
"194481",
"234256",
"23",
"110075314176",
"625",
"456976",
"19683",
"481890304",
"29",
"19683000000000",
"31",
"33554432",
"1185921",
"1336336",
"1500625",
"2821109907456",
"37",
"2085136"
]
| [
"nonn"
]
| 14 | 0 | 3 | [
"A000040",
"A001221",
"A001222",
"A002808",
"A008578",
"A062509",
"A113901",
"A176029",
"A363919",
"A363920"
]
| null | Peter Luschny, Jul 16 2023 | 2023-07-27T08:17:31 | oeisdata/seq/A363/A363920.seq | 07bc0185e76ac1b176be8f04839c295a |
A363921 | A363920 evaluated over the nonprime numbers. | [
"1",
"1",
"16",
"1296",
"512",
"81",
"10000",
"2985984",
"38416",
"50625",
"65536",
"34012224",
"64000000",
"194481",
"234256",
"110075314176",
"625",
"456976",
"19683",
"481890304",
"19683000000000",
"33554432",
"1185921",
"1336336",
"1500625",
"2821109907456",
"2085136",
"2313441",
"6553600000000",
"406671383849472"
]
| [
"nonn"
]
| 12 | 0 | 3 | [
"A002808",
"A141468",
"A363920",
"A363921"
]
| null | Peter Luschny, Jul 16 2023 | 2023-07-27T15:22:18 | oeisdata/seq/A363/A363921.seq | f970bc82ae6a006526953f0add1151f4 |
A363922 | a(n) = smallest number m > 0 such that n followed by m 7's yields a prime, or -1 if no such m exists. | [
"1",
"2",
"1",
"1",
"2",
"1",
"-1",
"2",
"1",
"1",
"3",
"1",
"1",
"-1",
"1",
"1",
"2",
"2",
"1",
"6",
"-1",
"1",
"2",
"2",
"1",
"2",
"1",
"-1",
"48",
"1",
"1",
"5",
"1",
"1",
"-1",
"1",
"10",
"2",
"1",
"12",
"2",
"-1",
"3",
"3",
"1",
"1",
"3",
"1",
"-1",
"2",
"8",
"7",
"3",
"1",
"1",
"-1",
"1",
"1",
"9",
"1",
"1",
"2",
"-1",
"1",
"2",
"5",
"1",
"3",
"2",
"-1",
"2",
"1",
"66",
"2",
"1",
"3",
"-1",
"1",
"1",
"3"
]
| [
"sign",
"base"
]
| 46 | 1 | 2 | [
"A008589",
"A069568",
"A090464",
"A113076",
"A363922"
]
| null | Toshitaka Suzuki, Jul 12 2023 | 2023-09-27T02:42:56 | oeisdata/seq/A363/A363922.seq | 3abf537b7d36103091c0b2d7ca19b809 |
A363923 | a(n) = n^npf(n) / rad(n), where npf(n) is the number of prime factors with multiplicity of n. | [
"1",
"1",
"1",
"8",
"1",
"6",
"1",
"256",
"27",
"10",
"1",
"288",
"1",
"14",
"15",
"32768",
"1",
"972",
"1",
"800",
"21",
"22",
"1",
"55296",
"125",
"26",
"6561",
"1568",
"1",
"900",
"1",
"16777216",
"33",
"34",
"35",
"279936",
"1",
"38",
"39",
"256000",
"1",
"1764",
"1",
"3872",
"6075",
"46",
"1",
"42467328",
"343",
"12500",
"51",
"5408",
"1",
"1417176",
"55",
"702464"
]
| [
"nonn"
]
| 21 | 1 | 4 | [
"A001222",
"A007947",
"A008578",
"A205959",
"A363923"
]
| null | Peter Luschny, Jul 11 2023 | 2023-07-12T10:08:43 | oeisdata/seq/A363/A363923.seq | 5b63240473235239af8131343f6d2172 |
A363924 | a(n) = number of k <= m such that rad(k) | m, where m = A005117(n) and rad(n) = A007947(n). | [
"1",
"2",
"2",
"2",
"5",
"2",
"6",
"2",
"2",
"6",
"5",
"2",
"2",
"5",
"7",
"2",
"7",
"2",
"18",
"2",
"6",
"8",
"5",
"2",
"8",
"6",
"2",
"19",
"2",
"8",
"2",
"6",
"2",
"5",
"6",
"8",
"2",
"2",
"8",
"5",
"22",
"2",
"6",
"20",
"2",
"2",
"9",
"5",
"23",
"2",
"9",
"2",
"5",
"9",
"7",
"2",
"5",
"7",
"9",
"5",
"2",
"2",
"25",
"2",
"16",
"9",
"2",
"2",
"21",
"7",
"2",
"26",
"5",
"9",
"5",
"9",
"7",
"2",
"7",
"23",
"2",
"5",
"10",
"2"
]
| [
"nonn"
]
| 36 | 1 | 2 | [
"A003586",
"A003592",
"A005117",
"A007947",
"A010846",
"A025477",
"A126706",
"A363924",
"A365790"
]
| null | Michael De Vlieger, Oct 24 2023 | 2024-08-16T06:05:40 | oeisdata/seq/A363/A363924.seq | c58d79b9d5f726ea80f6a55dfe8c344d |
A363925 | Expansion of Sum_{k>0} x^k / (1 - x^(5*k))^2. | [
"1",
"1",
"1",
"1",
"1",
"3",
"1",
"1",
"1",
"1",
"4",
"3",
"1",
"1",
"1",
"5",
"1",
"3",
"1",
"1",
"6",
"4",
"1",
"3",
"1",
"7",
"1",
"1",
"1",
"3",
"8",
"5",
"4",
"1",
"1",
"11",
"1",
"1",
"1",
"1",
"10",
"8",
"1",
"4",
"1",
"11",
"1",
"7",
"1",
"1",
"12",
"7",
"1",
"3",
"4",
"13",
"1",
"1",
"1",
"3",
"14",
"8",
"6",
"5",
"1",
"20",
"1",
"1",
"1",
"1",
"16",
"11",
"1",
"1",
"1",
"17",
"4",
"9",
"1",
"5",
"18",
"10",
"1",
"8",
"1",
"19",
"1",
"4",
"1",
"3",
"20",
"11"
]
| [
"nonn"
]
| 15 | 1 | 6 | [
"A001876",
"A284097",
"A363901",
"A363903",
"A363925",
"A363926",
"A363928",
"A363929"
]
| null | Seiichi Manyama, Jun 28 2023 | 2023-06-29T08:22:53 | oeisdata/seq/A363/A363925.seq | 1c803af1b598f70ebbee3b4675dbd4d5 |
A363926 | Expansion of Sum_{k>0} x^(2*k) / (1 - x^(5*k))^2. | [
"0",
"1",
"0",
"1",
"0",
"1",
"2",
"1",
"0",
"1",
"0",
"4",
"0",
"3",
"0",
"1",
"4",
"1",
"0",
"1",
"2",
"6",
"0",
"4",
"0",
"1",
"6",
"3",
"0",
"1",
"0",
"8",
"0",
"5",
"2",
"4",
"8",
"1",
"0",
"1",
"0",
"12",
"0",
"6",
"0",
"1",
"10",
"4",
"2",
"1",
"4",
"12",
"0",
"7",
"0",
"3",
"12",
"1",
"0",
"4",
"0",
"14",
"2",
"8",
"0",
"6",
"14",
"5",
"0",
"3",
"0",
"19",
"0",
"9",
"0",
"1",
"18",
"1",
"0",
"1",
"6",
"18",
"0",
"15",
"4",
"1",
"18",
"6",
"0",
"1",
"2",
"20",
"0"
]
| [
"nonn"
]
| 14 | 1 | 7 | [
"A001877",
"A284280",
"A363925",
"A363926",
"A363928",
"A363929"
]
| null | Seiichi Manyama, Jun 28 2023 | 2023-06-30T08:36:11 | oeisdata/seq/A363/A363926.seq | 4a63f9205376556bb1dc5b162e52f6d3 |
A363927 | Numbers N such that in the concatenation of N^2 and N^3, each of the 10 decimal digits appears equally often. | [
"69",
"6534",
"497375",
"539019",
"543447",
"586476",
"589629",
"601575",
"646479",
"858609",
"895688",
"959097",
"46839081",
"47469378",
"47693199",
"47760623",
"47841576",
"48038964",
"48527792",
"48733506",
"48886836",
"48965892",
"49229103",
"49397283",
"49594832",
"49670616",
"50013116",
"50247423",
"50359157"
]
| [
"nonn",
"base"
]
| 35 | 1 | 1 | [
"A036744",
"A054038",
"A071519",
"A119735",
"A156977",
"A171102",
"A363905",
"A363909",
"A363927"
]
| null | Charles R Greathouse IV and M. F. Hasler, Jun 28 2023 | 2024-02-26T09:17:35 | oeisdata/seq/A363/A363927.seq | 70607dad115eb20e9c53613381ec5183 |
A363928 | Expansion of Sum_{k>0} x^(3*k) / (1 - x^(5*k))^2. | [
"0",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"1",
"0",
"0",
"1",
"3",
"0",
"1",
"2",
"0",
"5",
"0",
"0",
"1",
"0",
"5",
"3",
"0",
"3",
"1",
"6",
"0",
"1",
"0",
"2",
"8",
"0",
"0",
"5",
"0",
"8",
"4",
"2",
"0",
"1",
"9",
"0",
"1",
"5",
"0",
"13",
"0",
"0",
"1",
"3",
"11",
"5",
"0",
"8",
"1",
"12",
"0",
"1",
"0",
"0",
"14",
"2",
"3",
"8",
"0",
"14",
"6",
"0",
"0",
"7",
"15",
"0",
"1",
"8",
"0",
"20",
"0",
"2",
"1",
"0",
"17",
"7",
"0",
"9",
"1",
"20",
"0",
"5",
"3",
"5",
"20",
"0",
"0",
"13",
"0",
"20",
"8",
"0",
"0"
]
| [
"nonn"
]
| 14 | 1 | 8 | [
"A001878",
"A284281",
"A363925",
"A363926",
"A363928",
"A363929"
]
| null | Seiichi Manyama, Jun 28 2023 | 2023-06-30T08:36:08 | oeisdata/seq/A363/A363928.seq | 0e1c1af69e960e071ee8494f4d7831f6 |
A363929 | Expansion of Sum_{k>0} x^(4*k) / (1 - x^(5*k))^2. | [
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"1",
"2",
"0",
"0",
"1",
"0",
"3",
"0",
"1",
"0",
"2",
"4",
"1",
"0",
"0",
"0",
"6",
"0",
"0",
"2",
"4",
"6",
"0",
"0",
"1",
"0",
"7",
"0",
"3",
"0",
"4",
"8",
"1",
"0",
"3",
"0",
"10",
"2",
"0",
"0",
"6",
"10",
"0",
"0",
"1",
"0",
"13",
"0",
"4",
"4",
"6",
"12",
"1",
"0",
"0",
"2",
"14",
"0",
"0",
"0",
"8",
"14",
"3",
"0",
"8",
"0",
"15",
"0",
"5",
"0",
"8",
"16",
"1",
"2",
"0",
"0",
"21",
"0",
"0",
"6",
"10",
"18",
"2",
"0",
"1",
"0",
"19",
"4",
"6",
"0",
"13",
"22",
"1",
"0",
"7",
"0",
"22",
"0",
"0",
"0",
"14",
"22",
"0",
"0"
]
| [
"nonn"
]
| 13 | 1 | 9 | [
"A001899",
"A284103",
"A363925",
"A363926",
"A363928",
"A363929"
]
| null | Seiichi Manyama, Jun 28 2023 | 2023-06-30T08:36:05 | oeisdata/seq/A363/A363929.seq | e6e6381b0381558a382ddcaabfe8c5c3 |
A363930 | Irregular table T(n, k), n >= 0, k = 1..A363710(n), read by rows; the n-th row lists the nonnegative numbers m <= n such that A003188(m) AND A003188(n-m) = 0 (where AND denotes the bitwise AND operator). | [
"0",
"0",
"1",
"0",
"2",
"0",
"3",
"0",
"1",
"3",
"4",
"0",
"1",
"4",
"5",
"0",
"6",
"0",
"7",
"0",
"1",
"7",
"8",
"0",
"1",
"2",
"3",
"6",
"7",
"8",
"9",
"0",
"2",
"3",
"7",
"8",
"10",
"0",
"3",
"8",
"11",
"0",
"1",
"3",
"9",
"11",
"12",
"0",
"1",
"12",
"13",
"0",
"14",
"0",
"15",
"0",
"1",
"15",
"16",
"0",
"1",
"2",
"3",
"14",
"15",
"16",
"17",
"0",
"2",
"3",
"4",
"6",
"12",
"14",
"15",
"16",
"18",
"0",
"3",
"4",
"7",
"12",
"15",
"16",
"19"
]
| [
"nonn",
"base",
"tabf"
]
| 9 | 0 | 5 | [
"A003188",
"A295989",
"A353174",
"A362327",
"A363710",
"A363930"
]
| null | Rémy Sigrist, Jun 28 2023 | 2023-06-30T01:01:40 | oeisdata/seq/A363/A363930.seq | 6eb0f0ce9fe9e21e90acb14820645ca6 |
A363931 | Square array of distinct positive integers A(n, k), n, k > 0, read and filled the greedy way by antidiagonals upwards such that the concatenations of the terms of two distinct rows are always equal. | [
"1",
"11",
"12",
"112",
"2",
"3",
"1123",
"31",
"311",
"111",
"11231",
"1111",
"1112",
"1121",
"121",
"112311",
"11121",
"21",
"13",
"32",
"321",
"1123111",
"11213",
"3211",
"32111",
"211",
"1113",
"113",
"11231111",
"1213",
"2111",
"131",
"312",
"1312",
"122",
"1221",
"112311112",
"213",
"21113",
"3122",
"22",
"212",
"2121",
"1211",
"2112"
]
| [
"nonn",
"base",
"tabl"
]
| 6 | 1 | 2 | [
"A329127",
"A363931",
"A363932"
]
| null | Rémy Sigrist, Jun 28 2023 | 2023-07-02T09:10:19 | oeisdata/seq/A363/A363931.seq | 56ff10be0a7dc2f82bb681644a713e5e |
A363932 | Square array of distinct positive integers A(n, k), n, k > 0, read and filled the greedy way by antidiagonals downwards such that the concatenations of the terms of two distinct rows are always equal. | [
"1",
"2",
"12",
"3",
"31",
"123",
"11",
"13",
"113",
"1231",
"32",
"21",
"211",
"132",
"12311",
"111",
"112",
"121",
"1112",
"321",
"123113",
"212",
"122",
"22",
"1221",
"1121",
"2111",
"1231132",
"213",
"131",
"1311",
"311",
"221",
"2122",
"11121",
"12311321",
"114",
"14",
"4",
"41",
"3114",
"13114",
"2213",
"11212",
"123113211",
"15",
"151",
"1511",
"5",
"15111",
"151111",
"1141",
"2131",
"1212",
"1231132111"
]
| [
"nonn",
"base",
"tabl"
]
| 5 | 1 | 2 | [
"A329127",
"A363931",
"A363932"
]
| null | Rémy Sigrist, Jun 28 2023 | 2023-07-02T09:10:11 | oeisdata/seq/A363/A363932.seq | d8c3b88336931b5d3c0f006d6e29fdc3 |
A363933 | Number of polynomials P(x,y) with nonnegative integer coefficients such that P(x,y) == 1 (mod x+y-1) and P(1,1) = n. | [
"1",
"1",
"2",
"5",
"14",
"40",
"119",
"361",
"1113",
"3476",
"10971",
"34919",
"111949",
"361100",
"1171130"
]
| [
"nonn",
"more"
]
| 14 | 1 | 3 | [
"A279196",
"A363933"
]
| null | Max Alekseyev, Jun 28 2023 | 2023-08-01T12:16:24 | oeisdata/seq/A363/A363933.seq | 212d76221e624c051f46e72238f08f6a |
A363934 | Table read by ascending antidiagonals. T(n,k) is the Sprague-Grundy value for the Heat Toggle game played on an n X k grid where each vertex has initial weight 1. | [
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"2",
"2",
"2",
"2",
"0",
"1",
"0",
"2",
"0",
"3",
"1",
"1",
"3",
"0",
"3",
"1",
"3",
"0",
"3",
"1",
"3",
"1",
"1",
"0",
"1",
"1",
"0",
"1",
"1",
"1",
"0",
"2",
"0",
"2",
"0",
"2",
"0",
"1",
"2",
"3",
"0",
"0",
"0",
"0",
"0",
"0",
"3",
"2",
"2",
"3",
"1",
"1"
]
| [
"nonn",
"tabl",
"more"
]
| 14 | 1 | 7 | [
"A002187",
"A071427",
"A361517",
"A363934"
]
| null | Jean-Pierre Appel, Patrick G. Cesarz, Djeneba Diop, Eugene Fiorini, Nathan Hurtig, Andrew Woldar, Jun 28 2023 | 2023-08-05T23:52:00 | oeisdata/seq/A363/A363934.seq | 35ab29345e35f6810fa21d564bd8bb5e |
A363935 | Triangle of coefficients of the primitive Eulerian polynomials of type D T(n,k) (n >= 2, 1 <= k <= n) read by rows. | [
"0",
"1",
"1",
"4",
"1",
"4",
"20",
"20",
"1",
"11",
"116",
"216",
"76",
"1",
"26",
"632",
"2072",
"1732",
"262",
"1",
"57",
"3158",
"18404",
"28064",
"11824",
"862",
"1",
"120",
"14800",
"151104",
"386640",
"317200",
"73320",
"2760",
"1",
"247",
"66424",
"1158040",
"4777264",
"6608800",
"3169168",
"427576",
"8680",
"1"
]
| [
"nonn",
"tabf"
]
| 25 | 2 | 4 | [
"A001879",
"A363935"
]
| null | Jose Bastidas, Jun 28 2023 | 2023-07-17T01:18:58 | oeisdata/seq/A363/A363935.seq | fbb8a0e493db00cbb5cc7c99957c882a |
A363936 | Number of Frobenius partitions of 2n wherein the number of columns plus the weight on the top row is strictly less than the weight on the bottom row. | [
"0",
"1",
"2",
"6",
"11",
"22",
"40",
"72",
"120",
"203",
"331",
"526",
"828",
"1277",
"1947",
"2931",
"4372"
]
| [
"nonn",
"more"
]
| 118 | 1 | 3 | [
"A000569",
"A363936"
]
| null | Kelsey A. Blum, Jul 09 2023 | 2023-08-02T14:31:59 | oeisdata/seq/A363/A363936.seq | 978b18d6108b2bb2fceec9873d512a48 |
A363937 | Minimal number of terms of an Egyptian fraction to be added to, or subtracted from, harmonic number H(n) to get an integer. | [
"0",
"1",
"1",
"1",
"2",
"2",
"3",
"3",
"3",
"3",
"2",
"3",
"4",
"3",
"4",
"4",
"4",
"4",
"4",
"5",
"5",
"5",
"5",
"5",
"5",
"4",
"5",
"5",
"4",
"4",
"5",
"5",
"5",
"5",
"5",
"5",
"5",
"5",
"5",
"6",
"6",
"6",
"6",
"6",
"6"
]
| [
"nonn",
"more"
]
| 68 | 1 | 5 | [
"A281530",
"A363937"
]
| null | Denis Ivanov, Jun 29 2023 | 2023-09-22T05:29:29 | oeisdata/seq/A363/A363937.seq | 98f3cfb6df96e9ac039f08c89335160e |
A363938 | Lexicographically earliest sequence of numbers in a hexagonal spiral such that their neighbors have no common prime factor. | [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"9",
"11",
"13",
"8",
"17",
"15",
"19",
"12",
"23",
"25",
"29",
"10",
"31",
"14",
"27",
"16",
"21",
"37",
"33",
"26",
"41",
"22",
"35",
"43",
"47",
"18",
"49",
"24",
"53",
"39",
"20",
"51",
"55",
"28",
"59",
"61",
"32",
"45",
"34",
"67",
"57",
"40",
"63",
"71",
"36",
"65",
"38",
"73",
"79",
"30",
"83",
"77",
"46",
"89",
"69",
"91",
"58",
"81",
"85",
"87"
]
| [
"nonn"
]
| 24 | 1 | 2 | [
"A000384",
"A003458",
"A014105",
"A056105",
"A363765",
"A363938"
]
| null | Carole Dubois, Jun 29 2023 | 2023-07-11T13:41:25 | oeisdata/seq/A363/A363938.seq | 2ab5deda4b157e567f5eb7b4a971baa6 |
A363939 | Decimal expansion of the series limit of Sum_{k>=2} sin(log k)/(k*log k). | [
"1",
"1",
"4",
"9",
"6",
"4",
"6",
"4",
"7",
"6",
"7",
"1",
"1",
"8",
"4",
"9",
"3",
"2",
"0",
"6",
"7",
"9",
"4",
"6"
]
| [
"cons",
"nonn",
"more"
]
| 14 | 1 | 3 | [
"A363677",
"A363939"
]
| null | R. J. Mathar, Jun 29 2023 | 2023-06-29T13:21:34 | oeisdata/seq/A363/A363939.seq | 10e47ff0ced3c2760cd9dbdb00c155af |
A363940 | Decimal expansion of Sum_{k>=3} 1/(k log k (log log k)^3). | [
"3",
"7",
"2",
"8",
"0",
"4",
"4",
"9",
"1",
"8",
"7",
"9",
"3",
"8",
"2",
"8",
"7"
]
| [
"nonn",
"cons",
"more"
]
| 8 | 3 | 1 | [
"A118582",
"A363940"
]
| null | R. J. Mathar, Jun 29 2023 | 2023-06-29T13:22:53 | oeisdata/seq/A363/A363940.seq | b6cfa3689bb09d0e47c6e1eeb4cfafc9 |
A363941 | Low median in the multiset of prime indices of n. | [
"0",
"1",
"2",
"1",
"3",
"1",
"4",
"1",
"2",
"1",
"5",
"1",
"6",
"1",
"2",
"1",
"7",
"2",
"8",
"1",
"2",
"1",
"9",
"1",
"3",
"1",
"2",
"1",
"10",
"2",
"11",
"1",
"2",
"1",
"3",
"1",
"12",
"1",
"2",
"1",
"13",
"2",
"14",
"1",
"2",
"1",
"15",
"1",
"4",
"3",
"2",
"1",
"16",
"2",
"3",
"1",
"2",
"1",
"17",
"1",
"18",
"1",
"2",
"1",
"3",
"2",
"19",
"1",
"2",
"3",
"20",
"1",
"21",
"1",
"3",
"1",
"4",
"2",
"22",
"1",
"2",
"1"
]
| [
"nonn"
]
| 9 | 1 | 3 | [
"A000040",
"A001222",
"A025065",
"A056239",
"A067538",
"A112798",
"A124943",
"A124944",
"A215366",
"A316413",
"A326567",
"A326568",
"A344296",
"A359889",
"A359908",
"A360005",
"A363486",
"A363487",
"A363488",
"A363727",
"A363740",
"A363941",
"A363942",
"A363943",
"A363944",
"A363945",
"A363946"
]
| null | Gus Wiseman, Jul 01 2023 | 2023-07-02T09:02:08 | oeisdata/seq/A363/A363941.seq | 3b4a366d26887b586e941c077af104d2 |
A363942 | High median in the multiset of prime indices of n. | [
"0",
"1",
"2",
"1",
"3",
"2",
"4",
"1",
"2",
"3",
"5",
"1",
"6",
"4",
"3",
"1",
"7",
"2",
"8",
"1",
"4",
"5",
"9",
"1",
"3",
"6",
"2",
"1",
"10",
"2",
"11",
"1",
"5",
"7",
"4",
"2",
"12",
"8",
"6",
"1",
"13",
"2",
"14",
"1",
"2",
"9",
"15",
"1",
"4",
"3",
"7",
"1",
"16",
"2",
"5",
"1",
"8",
"10",
"17",
"2",
"18",
"11",
"2",
"1",
"6",
"2",
"19",
"1",
"9",
"3",
"20",
"1",
"21",
"12",
"3",
"1",
"5",
"2",
"22",
"1",
"2"
]
| [
"nonn"
]
| 9 | 1 | 3 | [
"A000040",
"A001222",
"A025065",
"A055396",
"A056239",
"A061395",
"A112798",
"A124943",
"A124944",
"A215366",
"A316413",
"A326567",
"A326568",
"A359889",
"A359908",
"A359912",
"A360005",
"A362611",
"A362614",
"A363486",
"A363487",
"A363727",
"A363941",
"A363942",
"A363943",
"A363944",
"A363946",
"A363949",
"A363950"
]
| null | Gus Wiseman, Jul 01 2023 | 2023-07-02T09:02:13 | oeisdata/seq/A363/A363942.seq | f3ea45397f962ad271f411eeab65ead0 |
A363943 | Mean of the multiset of prime indices of n, rounded down. | [
"0",
"1",
"2",
"1",
"3",
"1",
"4",
"1",
"2",
"2",
"5",
"1",
"6",
"2",
"2",
"1",
"7",
"1",
"8",
"1",
"3",
"3",
"9",
"1",
"3",
"3",
"2",
"2",
"10",
"2",
"11",
"1",
"3",
"4",
"3",
"1",
"12",
"4",
"4",
"1",
"13",
"2",
"14",
"2",
"2",
"5",
"15",
"1",
"4",
"2",
"4",
"2",
"16",
"1",
"4",
"1",
"5",
"5",
"17",
"1",
"18",
"6",
"2",
"1",
"4",
"2",
"19",
"3",
"5",
"2",
"20",
"1",
"21",
"6",
"2",
"3",
"4",
"3",
"22",
"1",
"2",
"7"
]
| [
"nonn"
]
| 11 | 1 | 3 | [
"A000040",
"A001222",
"A025065",
"A056239",
"A067538",
"A088529",
"A088530",
"A102627",
"A112798",
"A124010",
"A124943",
"A124944",
"A316413",
"A326567",
"A326568",
"A327473",
"A327476",
"A327482",
"A344296",
"A348551",
"A359889",
"A360005",
"A363486",
"A363487",
"A363727",
"A363941",
"A363942",
"A363943",
"A363944",
"A363945",
"A363946",
"A363947",
"A363948",
"A363949",
"A363951"
]
| null | Gus Wiseman, Jun 29 2023 | 2023-07-01T20:54:07 | oeisdata/seq/A363/A363943.seq | 772bca2762f2daa930a1912f01462d15 |
A363944 | Mean of the multiset of prime indices of n, rounded up. | [
"0",
"1",
"2",
"1",
"3",
"2",
"4",
"1",
"2",
"2",
"5",
"2",
"6",
"3",
"3",
"1",
"7",
"2",
"8",
"2",
"3",
"3",
"9",
"2",
"3",
"4",
"2",
"2",
"10",
"2",
"11",
"1",
"4",
"4",
"4",
"2",
"12",
"5",
"4",
"2",
"13",
"3",
"14",
"3",
"3",
"5",
"15",
"2",
"4",
"3",
"5",
"3",
"16",
"2",
"4",
"2",
"5",
"6",
"17",
"2",
"18",
"6",
"3",
"1",
"5",
"3",
"19",
"3",
"6",
"3",
"20",
"2",
"21",
"7",
"3",
"4",
"5",
"3",
"22",
"2",
"2",
"7"
]
| [
"nonn"
]
| 9 | 1 | 3 | [
"A000040",
"A000079",
"A001222",
"A025065",
"A026905",
"A051293",
"A056239",
"A067538",
"A112798",
"A124943",
"A124944",
"A215366",
"A316413",
"A326567",
"A326568",
"A327473",
"A327476",
"A327482",
"A359889",
"A360005",
"A362611",
"A363486",
"A363487",
"A363723",
"A363724",
"A363727",
"A363942",
"A363943",
"A363944",
"A363945",
"A363946",
"A363947",
"A363948",
"A363949",
"A363950",
"A363951"
]
| null | Gus Wiseman, Jun 30 2023 | 2023-07-01T20:54:12 | oeisdata/seq/A363/A363944.seq | a01fde155921ab190c875f621676cb08 |
A363945 | Triangle read by rows where T(n,k) is the number of integer partitions of n with low mean k. | [
"1",
"0",
"1",
"0",
"1",
"1",
"0",
"2",
"0",
"1",
"0",
"2",
"2",
"0",
"1",
"0",
"4",
"2",
"0",
"0",
"1",
"0",
"4",
"3",
"3",
"0",
"0",
"1",
"0",
"7",
"4",
"3",
"0",
"0",
"0",
"1",
"0",
"7",
"10",
"0",
"4",
"0",
"0",
"0",
"1",
"0",
"12",
"6",
"7",
"4",
"0",
"0",
"0",
"0",
"1",
"0",
"12",
"16",
"8",
"0",
"5",
"0",
"0",
"0",
"0",
"1",
"0",
"19",
"21",
"10",
"0",
"5",
"0",
"0",
"0",
"0"
]
| [
"nonn",
"tabl"
]
| 8 | 0 | 8 | [
"A000041",
"A000975",
"A002865",
"A008284",
"A025065",
"A026905",
"A051293",
"A058398",
"A067538",
"A102627",
"A124943",
"A124944",
"A237984",
"A316413",
"A327472",
"A327482",
"A344296",
"A348551",
"A349156",
"A362612",
"A363486",
"A363487",
"A363723",
"A363724",
"A363731",
"A363745",
"A363941",
"A363942",
"A363943",
"A363944",
"A363945",
"A363946",
"A363949",
"A363951",
"A363952",
"A363953"
]
| null | Gus Wiseman, Jun 30 2023 | 2023-06-30T18:32:50 | oeisdata/seq/A363/A363945.seq | 318d0393bbd60b6ca4bde1f3deae3857 |
A363946 | Triangle read by rows where T(n,k) is the number of integer partitions of n with high mean k. | [
"1",
"0",
"1",
"0",
"1",
"1",
"0",
"1",
"1",
"1",
"0",
"1",
"3",
"0",
"1",
"0",
"1",
"3",
"2",
"0",
"1",
"0",
"1",
"6",
"3",
"0",
"0",
"1",
"0",
"1",
"6",
"4",
"3",
"0",
"0",
"1",
"0",
"1",
"11",
"5",
"4",
"0",
"0",
"0",
"1",
"0",
"1",
"11",
"13",
"0",
"4",
"0",
"0",
"0",
"1",
"0",
"1",
"18",
"9",
"8",
"5",
"0",
"0",
"0",
"0",
"1",
"0",
"1",
"18",
"21",
"10",
"0",
"5",
"0",
"0",
"0",
"0",
"1"
]
| [
"nonn",
"tabl"
]
| 6 | 0 | 13 | [
"A000041",
"A000975",
"A002865",
"A008284",
"A025065",
"A026905",
"A051293",
"A058398",
"A067538",
"A102627",
"A124943",
"A124944",
"A237984",
"A316413",
"A327472",
"A327482",
"A344296",
"A348551",
"A349156",
"A362612",
"A363486",
"A363487",
"A363723",
"A363724",
"A363731",
"A363941",
"A363942",
"A363943",
"A363944",
"A363945",
"A363946",
"A363948",
"A363950",
"A363952",
"A363953"
]
| null | Gus Wiseman, Jun 30 2023 | 2023-06-30T23:54:36 | oeisdata/seq/A363/A363946.seq | b2e1ab76af2b411d1657ef1a08b9f485 |
A363947 | Number of integer partitions of n with mean < 3/2. | [
"0",
"1",
"1",
"1",
"2",
"2",
"2",
"4",
"4",
"4",
"7",
"7",
"7",
"12",
"12",
"12",
"19",
"19",
"19",
"30",
"30",
"30",
"45",
"45",
"45",
"67",
"67",
"67",
"97",
"97",
"97",
"139",
"139",
"139",
"195",
"195",
"195",
"272",
"272",
"272",
"373",
"373",
"373",
"508",
"508",
"508",
"684",
"684",
"684",
"915",
"915",
"915",
"1212",
"1212",
"1212",
"1597",
"1597",
"1597",
"2087"
]
| [
"nonn"
]
| 14 | 0 | 5 | [
"A000012",
"A000041",
"A000070",
"A000975",
"A002865",
"A008284",
"A025065",
"A026905",
"A027336",
"A051293",
"A058398",
"A067538",
"A102627",
"A237984",
"A241131",
"A316413",
"A327472",
"A327482",
"A348551",
"A349156",
"A363724",
"A363745",
"A363943",
"A363947",
"A363948",
"A363949",
"A364059"
]
| null | Gus Wiseman, Jul 02 2023 | 2023-07-09T08:33:40 | oeisdata/seq/A363/A363947.seq | 1c14079479069f720bd34fb420ab9693 |
A363948 | Numbers whose prime indices have mean < 3/2. | [
"2",
"4",
"8",
"12",
"16",
"24",
"32",
"48",
"64",
"72",
"80",
"96",
"128",
"144",
"160",
"192",
"256",
"288",
"320",
"384",
"432",
"448",
"480",
"512",
"576",
"640",
"768",
"864",
"896",
"960",
"1024",
"1152",
"1280",
"1536",
"1728",
"1792",
"1920",
"2048",
"2304",
"2560",
"2592",
"2688",
"2816",
"2880",
"3072",
"3200",
"3456",
"3584",
"3840",
"4096",
"4608"
]
| [
"nonn"
]
| 14 | 1 | 1 | [
"A001222",
"A025065",
"A026905",
"A051293",
"A056239",
"A067538",
"A112798",
"A124944",
"A316413",
"A326567",
"A326568",
"A327473",
"A327476",
"A327482",
"A359889",
"A360005",
"A360013",
"A360015",
"A363489",
"A363727",
"A363942",
"A363943",
"A363946",
"A363947",
"A363948",
"A363949",
"A363950",
"A363951"
]
| null | Gus Wiseman, Jul 02 2023 | 2023-07-09T16:27:01 | oeisdata/seq/A363/A363948.seq | 1f41d051846cd42926faed4a4af1d416 |
A363949 | Numbers whose prime indices have mean 1 when rounded down. | [
"2",
"4",
"6",
"8",
"12",
"16",
"18",
"20",
"24",
"32",
"36",
"40",
"48",
"54",
"56",
"60",
"64",
"72",
"80",
"96",
"108",
"112",
"120",
"128",
"144",
"160",
"162",
"168",
"176",
"180",
"192",
"200",
"216",
"224",
"240",
"256",
"288",
"320",
"324",
"336",
"352",
"360",
"384",
"400",
"416",
"432",
"448",
"480",
"486",
"504",
"512",
"528",
"540",
"560",
"576",
"600",
"640"
]
| [
"nonn"
]
| 6 | 1 | 1 | [
"A001222",
"A025065",
"A026905",
"A027336",
"A051293",
"A056239",
"A067538",
"A112798",
"A124943",
"A124944",
"A241131",
"A316413",
"A326567",
"A326568",
"A327473",
"A327476",
"A344296",
"A359889",
"A360005",
"A360013",
"A360015",
"A363488",
"A363723",
"A363727",
"A363941",
"A363942",
"A363943",
"A363945",
"A363946",
"A363947",
"A363948",
"A363949",
"A363950",
"A363951"
]
| null | Gus Wiseman, Jul 02 2023 | 2023-07-02T22:32:04 | oeisdata/seq/A363/A363949.seq | c4aba21fefd21c74a2be23b918eb5256 |
A363950 | Numbers whose prime indices have rounded-up mean 2. | [
"3",
"6",
"9",
"10",
"12",
"18",
"20",
"24",
"27",
"28",
"30",
"36",
"40",
"48",
"54",
"56",
"60",
"72",
"80",
"81",
"84",
"88",
"90",
"96",
"100",
"108",
"112",
"120",
"144",
"160",
"162",
"168",
"176",
"180",
"192",
"200",
"208",
"216",
"224",
"240",
"243",
"252",
"264",
"270",
"280",
"288",
"300",
"320",
"324",
"336",
"352",
"360",
"384",
"400",
"416",
"432",
"448"
]
| [
"nonn"
]
| 6 | 1 | 1 | [
"A000079",
"A001222",
"A025065",
"A026905",
"A056239",
"A067538",
"A112798",
"A124943",
"A124944",
"A316413",
"A326567",
"A326568",
"A327473",
"A327476",
"A344296",
"A359889",
"A360005",
"A360013",
"A360015",
"A363727",
"A363745",
"A363941",
"A363942",
"A363943",
"A363944",
"A363946",
"A363947",
"A363948",
"A363949",
"A363950",
"A363954"
]
| null | Gus Wiseman, Jul 05 2023 | 2023-07-06T08:56:01 | oeisdata/seq/A363/A363950.seq | dd38925b0a339df2c2426b752000662a |
A363951 | Numbers whose prime indices satisfy (length) = (mean), or (sum) = (length)^2. | [
"2",
"9",
"10",
"68",
"78",
"98",
"99",
"105",
"110",
"125",
"328",
"444",
"558",
"620",
"783",
"812",
"870",
"966",
"988",
"1012",
"1035",
"1150",
"1156",
"1168",
"1197",
"1254",
"1326",
"1330",
"1425",
"1521",
"1666",
"1683",
"1690",
"1704",
"1785",
"1870",
"1911",
"2002",
"2125",
"2145",
"2275",
"2401",
"2412",
"2541",
"2662",
"2680",
"2695",
"3025"
]
| [
"nonn"
]
| 7 | 1 | 1 | [
"A001222",
"A008284",
"A025065",
"A026905",
"A056239",
"A058398",
"A067538",
"A088529",
"A088530",
"A112798",
"A124010",
"A124943",
"A124944",
"A206240",
"A316413",
"A326567",
"A326568",
"A326622",
"A327473",
"A327476",
"A327482",
"A328966",
"A359889",
"A363723",
"A363727",
"A363729",
"A363944",
"A363949",
"A363950",
"A363951",
"A364055"
]
| null | Gus Wiseman, Jul 05 2023 | 2023-07-06T08:55:16 | oeisdata/seq/A363/A363951.seq | 9fb4835d9149263e1577451a7c3f9947 |
A363952 | Number of integer partitions of n with low mode k. | [
"1",
"0",
"1",
"0",
"1",
"1",
"0",
"2",
"0",
"1",
"0",
"3",
"1",
"0",
"1",
"0",
"4",
"2",
"0",
"0",
"1",
"0",
"7",
"2",
"1",
"0",
"0",
"1",
"0",
"9",
"3",
"2",
"0",
"0",
"0",
"1",
"0",
"13",
"5",
"2",
"1",
"0",
"0",
"0",
"1",
"0",
"18",
"6",
"3",
"2",
"0",
"0",
"0",
"0",
"1",
"0",
"26",
"9",
"3",
"2",
"1",
"0",
"0",
"0",
"0",
"1",
"0",
"32",
"13",
"5",
"3",
"2",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"47",
"16",
"7",
"3",
"2",
"1",
"0",
"0",
"0",
"0",
"0",
"1"
]
| [
"nonn",
"tabl"
]
| 7 | 0 | 8 | [
"A000041",
"A002865",
"A008284",
"A025065",
"A026905",
"A058398",
"A067538",
"A124943",
"A124944",
"A237984",
"A241131",
"A356862",
"A359178",
"A360013",
"A360015",
"A362605",
"A362606",
"A362607",
"A362608",
"A362609",
"A362610",
"A362611",
"A362612",
"A362613",
"A362614",
"A362615",
"A362616",
"A363486",
"A363723",
"A363724",
"A363731",
"A363941",
"A363942",
"A363943",
"A363944",
"A363945",
"A363946",
"A363952",
"A363953"
]
| null | Gus Wiseman, Jul 07 2023 | 2023-07-07T23:09:10 | oeisdata/seq/A363/A363952.seq | 58e6a078bba52137c8750ed28ca7df63 |
A363953 | Number of integer partitions of n with high mode k. | [
"1",
"0",
"1",
"0",
"1",
"1",
"0",
"1",
"1",
"1",
"0",
"2",
"1",
"1",
"1",
"0",
"3",
"1",
"1",
"1",
"1",
"0",
"4",
"2",
"2",
"1",
"1",
"1",
"0",
"7",
"2",
"1",
"2",
"1",
"1",
"1",
"0",
"9",
"4",
"2",
"2",
"2",
"1",
"1",
"1",
"0",
"13",
"6",
"2",
"2",
"2",
"2",
"1",
"1",
"1",
"0",
"18",
"7",
"4",
"3",
"3",
"2",
"2",
"1",
"1",
"1",
"0",
"26",
"10",
"5",
"2",
"3",
"3",
"2",
"2",
"1",
"1",
"1"
]
| [
"nonn"
]
| 6 | 0 | 12 | [
"A000041",
"A002865",
"A008284",
"A025065",
"A026905",
"A058398",
"A124943",
"A124944",
"A237984",
"A241131",
"A356862",
"A359178",
"A360013",
"A360015",
"A362605",
"A362606",
"A362607",
"A362608",
"A362609",
"A362610",
"A362611",
"A362612",
"A362613",
"A362614",
"A362615",
"A362616",
"A363486",
"A363487",
"A363723",
"A363724",
"A363731",
"A363941",
"A363942",
"A363943",
"A363944",
"A363945",
"A363946",
"A363952",
"A363953"
]
| null | Gus Wiseman, Jul 07 2023 | 2023-07-07T23:08:50 | oeisdata/seq/A363/A363953.seq | 78dd1fe57bc3adf7b23a853d4d2ddfe3 |
A363954 | Numbers whose prime indices have low mean 2. | [
"3",
"9",
"10",
"14",
"15",
"27",
"28",
"30",
"42",
"44",
"45",
"50",
"52",
"63",
"66",
"70",
"75",
"81",
"84",
"88",
"90",
"100",
"104",
"126",
"132",
"135",
"136",
"140",
"150",
"152",
"156",
"189",
"196",
"198",
"204",
"208",
"210",
"220",
"225",
"234",
"243",
"250",
"252",
"260",
"264",
"270",
"272",
"280",
"294",
"297",
"300",
"304",
"308",
"312",
"315",
"330",
"350"
]
| [
"nonn"
]
| 5 | 1 | 1 | [
"A001222",
"A026905",
"A056239",
"A067538",
"A112798",
"A124943",
"A124944",
"A316413",
"A326567",
"A326568",
"A327473",
"A327476",
"A359889",
"A360013",
"A360015",
"A363488",
"A363745",
"A363941",
"A363942",
"A363943",
"A363944",
"A363945",
"A363946",
"A363947",
"A363948",
"A363949",
"A363950",
"A363951",
"A363954"
]
| null | Gus Wiseman, Jul 05 2023 | 2023-07-06T08:55:20 | oeisdata/seq/A363/A363954.seq | fb5040c8453301f1315d7503391ffa2d |
A363955 | When the base-2 representation of n is interpreted as a Gaussian integer x+yi in base (-1+i), both x and y are nonnegative. | [
"0",
"1",
"3",
"8",
"9",
"10",
"11",
"12",
"13",
"14",
"15",
"64",
"65",
"67",
"68",
"69",
"71",
"72",
"73",
"74",
"75",
"76",
"77",
"78",
"79",
"96",
"97",
"98",
"99",
"100",
"101",
"102",
"103",
"104",
"105",
"106",
"107",
"108",
"109",
"110",
"111",
"112",
"113",
"115",
"116",
"117",
"119",
"120",
"121",
"122",
"123",
"124",
"125",
"126",
"127",
"256",
"257",
"258",
"259"
]
| [
"nonn"
]
| 13 | 1 | 3 | [
"A066321",
"A271472",
"A363955"
]
| null | Jeffrey Shallit, Jun 29 2023 | 2023-06-30T02:48:37 | oeisdata/seq/A363/A363955.seq | f4c39dfec83fcb2f0f920030c2c3a75f |
A363956 | a(1) = 1, a(2) = 2; for n > 2, a(n) is the smallest positive number that has not yet appeared that is a multiple of prime(omega(a(n-1))). | [
"1",
"2",
"4",
"6",
"3",
"8",
"10",
"9",
"12",
"15",
"18",
"21",
"24",
"27",
"14",
"30",
"5",
"16",
"20",
"33",
"36",
"39",
"42",
"25",
"22",
"45",
"48",
"51",
"54",
"57",
"60",
"35",
"63",
"66",
"40",
"69",
"72",
"75",
"78",
"50",
"81",
"26",
"84",
"55",
"87",
"90",
"65",
"93",
"96",
"99",
"102",
"70",
"80",
"105",
"85",
"108",
"111",
"114",
"95",
"117",
"120",
"100",
"123",
"126",
"110",
"115",
"129",
"132",
"125",
"28",
"135",
"138"
]
| [
"nonn"
]
| 10 | 1 | 2 | [
"A000040",
"A001221",
"A001222",
"A351495",
"A363504",
"A363956"
]
| null | Scott R. Shannon, Jun 29 2023 | 2023-07-01T09:14:52 | oeisdata/seq/A363/A363956.seq | 9f8efd5a4bc635368648fde3682d8cf3 |
A363957 | Intersection of A035046 and A226777. | [
"1124864",
"21952000",
"82312875",
"322828856",
"916132832",
"36859543552",
"69731032896",
"242620354053",
"719323136000",
"2697228288000",
"6864416425125",
"8712567840033",
"10516413792429",
"10578455953408",
"16140568923648",
"30019840638976",
"35790185383875",
"67052070434376",
"72762401500992"
]
| [
"nonn"
]
| 18 | 1 | 1 | [
"A035046",
"A226777",
"A363957"
]
| null | Jacob Natzke, Jun 29 2023 | 2023-08-05T23:29:31 | oeisdata/seq/A363/A363957.seq | 2e3bfda8d14a339ae28bfe9838b39f5b |
A363958 | Expansion of (1 + x + x^3)/(1 - x^2 - 2*x^4 - 2*x^6 + x^8). | [
"1",
"1",
"1",
"2",
"3",
"4",
"7",
"10",
"16",
"23",
"37",
"53",
"86",
"123",
"199",
"285",
"461",
"660",
"1068",
"1529",
"2474",
"3542",
"5731",
"8205",
"13276",
"19007",
"30754",
"44030",
"71242",
"101996",
"165033",
"236275",
"382301",
"547334",
"885605",
"1267906",
"2051515",
"2937120"
]
| [
"nonn",
"easy"
]
| 18 | 0 | 4 | [
"A077998",
"A123392",
"A210460",
"A363958"
]
| null | Greg Dresden and Yunxin Li, Jun 29 2023 | 2023-07-04T11:52:41 | oeisdata/seq/A363/A363958.seq | b2dde2cf25f736ddb3fddb5fff1aae3c |
A363959 | Maximum height of an irreducible factor of any degree-n polynomial of height 1. | [
"1",
"1",
"1",
"2",
"2",
"3",
"3",
"4",
"4",
"5",
"7",
"9",
"9",
"11",
"14",
"16",
"17",
"25",
"33",
"39"
]
| [
"nonn",
"hard",
"more",
"changed"
]
| 38 | 1 | 4 | null | null | Mike Speciner, Jun 29 2023 | 2025-07-14T21:18:42 | oeisdata/seq/A363/A363959.seq | 2c506292c233d5f21328fe51ae59ec01 |
A363960 | Number of quadratically embeddable graphs on n nodes. | [
"1",
"1",
"2",
"6",
"19",
"85",
"452",
"3174",
"26898"
]
| [
"nonn",
"more"
]
| 11 | 1 | 3 | [
"A363960",
"A363961"
]
| null | Eric W. Weisstein, Jun 29 2023 | 2025-02-16T08:34:06 | oeisdata/seq/A363/A363960.seq | 88e994ab034597ab76a5b92e6b7c8d5e |
A363961 | Number of connected non-quadratically embeddable graphs on n nodes. | [
"0",
"0",
"0",
"0",
"2",
"27",
"401",
"7943",
"234182"
]
| [
"nonn",
"more"
]
| 10 | 1 | 5 | [
"A363960",
"A363961"
]
| null | Eric W. Weisstein, Jun 29 2023 | 2025-02-16T08:34:06 | oeisdata/seq/A363/A363961.seq | 9fd932a2890741d177f263e02f2098ec |
A363962 | a(1)=1; for n > 1, if n appears in the sequence then a(n) = lastindex(n), where lastindex(n) is the index of the last appearance of n. Otherwise a(n) = a(n-1) - n unless that result is already in the sequence or would be negative; otherwise, a(n) = a(n-1) * n. | [
"1",
"2",
"6",
"24",
"19",
"3",
"21",
"13",
"4",
"40",
"29",
"17",
"8",
"112",
"97",
"81",
"12",
"216",
"5",
"100",
"7",
"154",
"131",
"4",
"100",
"74",
"47",
"1316",
"11",
"330",
"299",
"267",
"234",
"200",
"165",
"129",
"92",
"54",
"15",
"10",
"410",
"368",
"325",
"281",
"236",
"190",
"27",
"1296",
"1247",
"1197",
"1146",
"1094",
"1041",
"38",
"2090",
"2034",
"1977",
"1919",
"1860",
"1800",
"1739",
"1677",
"1614"
]
| [
"nonn"
]
| 22 | 1 | 2 | [
"A005132",
"A340612",
"A354833",
"A362332",
"A363962"
]
| null | Kelvin Voskuijl, Jun 29 2023 | 2023-08-26T02:52:43 | oeisdata/seq/A363/A363962.seq | 2c681ab2650862e8f79f272d483a8adf |
A363963 | a(n) is the greatest number with distinct decimal digits and n prime factors, counted with multiplicity, or -1 if there is no such number. | [
"1",
"987654103",
"987654301",
"9876541023",
"9876542103",
"9876543102",
"9876543201",
"9876543210",
"9876542130",
"9876543120",
"9876534120",
"9876345120",
"9876514032",
"9876431250",
"9876045312",
"9875324160",
"9876523104",
"9863147520",
"9875312640",
"9635217408",
"9845637120",
"9715064832",
"9574023168",
"9805234176",
"5892341760",
"6398410752",
"-1",
"-1",
"-1",
"536870912"
]
| [
"sign",
"base"
]
| 14 | 0 | 2 | [
"A029743",
"A320969",
"A363963"
]
| null | Zak Seidov and Robert Israel, Jun 29 2023 | 2024-04-05T13:07:07 | oeisdata/seq/A363/A363963.seq | 55fa41923f9d2629e55b77529d21c04f |
A363964 | Number of unordered pairs of non-intersecting non-self-intersecting paths, singletons included, with nodes that cover all vertices of a convex labeled n-gon. | [
"3",
"14",
"55",
"195",
"644",
"2016",
"6048",
"17520",
"49280",
"135168",
"362752",
"955136",
"2472960",
"6307840",
"15876096",
"39481344",
"97124352",
"236584960",
"571146240",
"1367539712",
"3249799168",
"7669284864",
"17983078400",
"41916825600",
"97165246464",
"224076496896",
"514272002048",
"1174992322560"
]
| [
"nonn"
]
| 12 | 3 | 1 | [
"A001792",
"A308914",
"A332426",
"A360716",
"A360717",
"A363964"
]
| null | Ivaylo Kortezov, Jun 30 2023 | 2023-09-06T21:03:13 | oeisdata/seq/A363/A363964.seq | 8a7d85fb4823897bb30052a5e2c4b8bd |
A363965 | Binary palindromic numbers whose digit sum and aliquot sum are also binary palindromic. | [
"1",
"3",
"5",
"7",
"45",
"313",
"403",
"1501",
"1619",
"2193",
"2661",
"5349",
"11997",
"21477",
"21653",
"24029",
"27499",
"81017",
"98563",
"104147",
"116423",
"251823",
"269761",
"284881",
"288049",
"320057",
"337189",
"344037",
"368077",
"400067",
"410899",
"413779",
"428683",
"440171",
"475159",
"523007",
"678309",
"823059"
]
| [
"nonn",
"base"
]
| 14 | 1 | 2 | [
"A001065",
"A006995",
"A007088",
"A007953",
"A363965"
]
| null | Aakash Gautam, Jul 12 2023 | 2023-09-26T17:49:15 | oeisdata/seq/A363/A363965.seq | f5b069e5d90218aaae480ffffb19f4fc |
A363966 | Decimal expansion of the probability that a sphere that is passing through 4 points uniformly and independently chosen at random in a 3D ball is completely lying inside the ball. | [
"1",
"2",
"3",
"0",
"4",
"9",
"6",
"1",
"3",
"3",
"1",
"2",
"2",
"8",
"2",
"9",
"1",
"2",
"6",
"5",
"0",
"4",
"0",
"4",
"0",
"4",
"3",
"6",
"3",
"4",
"8",
"1",
"9",
"5",
"4",
"6",
"6",
"2",
"2",
"0",
"9",
"2",
"8",
"7",
"5",
"7",
"2",
"6",
"6",
"3",
"8",
"4",
"2",
"8",
"5",
"8",
"9",
"0",
"4",
"9",
"5",
"5",
"0",
"6",
"6",
"4",
"5",
"6",
"1",
"5",
"9",
"7",
"7",
"8",
"6",
"0",
"0",
"5",
"6",
"7",
"5",
"7",
"5",
"6",
"9",
"0",
"5",
"2",
"2",
"6",
"8",
"5",
"1",
"5",
"5",
"5",
"9",
"7",
"5",
"8",
"7",
"7",
"2",
"8",
"6"
]
| [
"nonn",
"cons"
]
| 5 | 0 | 2 | [
"A093591",
"A363966"
]
| null | Amiram Eldar, Jun 30 2023 | 2023-06-30T03:55:14 | oeisdata/seq/A363/A363966.seq | dcb09b623fbb62008d5e25d10b0beea7 |
A363967 | Numbers whose divisors can be partitioned into two disjoint sets whose both sums are squares. | [
"1",
"3",
"9",
"22",
"27",
"30",
"40",
"63",
"66",
"70",
"81",
"88",
"90",
"94",
"115",
"119",
"120",
"138",
"153",
"156",
"170",
"171",
"174",
"184",
"189",
"190",
"198",
"210",
"214",
"217",
"232",
"264",
"265",
"270",
"280",
"282",
"310",
"318",
"322",
"323",
"343",
"345",
"357",
"360",
"364",
"376",
"382",
"385",
"399",
"400",
"414",
"416",
"462",
"468",
"472",
"495",
"497"
]
| [
"nonn"
]
| 11 | 1 | 2 | [
"A000203",
"A000290",
"A006532",
"A037073",
"A333677",
"A333911",
"A360694",
"A363967"
]
| null | Amiram Eldar, Jun 30 2023 | 2025-04-27T03:22:57 | oeisdata/seq/A363/A363967.seq | 78ac023b7adcc493f9a7359389ff15c7 |
A363968 | Least number of 1's needed to represent n using only additions +, subtractions -, multiplications *, divisions /, concatenations # and parentheses (). | [
"2",
"1",
"2",
"3",
"4",
"5",
"5",
"6",
"5",
"4",
"3",
"2",
"3",
"4",
"5",
"6",
"6",
"7",
"6",
"5",
"4",
"3",
"4",
"5",
"5",
"6",
"6",
"7",
"7",
"6",
"5",
"4",
"5",
"5",
"6",
"7",
"6",
"6",
"7",
"7",
"6",
"5",
"5",
"6",
"6",
"7",
"7",
"8",
"7",
"8",
"7",
"6",
"7",
"7",
"7",
"6",
"6",
"7",
"8",
"8",
"7",
"6",
"6",
"6",
"7",
"8",
"7",
"8",
"8",
"8",
"8",
"7",
"8",
"8",
"8",
"9",
"9",
"8",
"8",
"8",
"7",
"6",
"7",
"8",
"7",
"8",
"8",
"8",
"7",
"7",
"6",
"5",
"6",
"7",
"8",
"9",
"8",
"8",
"7",
"6",
"5"
]
| [
"nonn",
"base"
]
| 41 | 0 | 1 | [
"A002275",
"A005245",
"A091333",
"A133344",
"A362471",
"A362626",
"A363968"
]
| null | Bernard Schott, Jun 30 2023 | 2023-08-30T15:20:41 | oeisdata/seq/A363/A363968.seq | ff3b1bafd1c4893b42a8b1ac45e0bb34 |
A363969 | Expansion of Sum_{k>0} k^2 * x^(2*k-1) / (1 - x^(2*k-1)). | [
"1",
"1",
"5",
"1",
"10",
"5",
"17",
"1",
"30",
"10",
"37",
"5",
"50",
"17",
"78",
"1",
"82",
"30",
"101",
"10",
"142",
"37",
"145",
"5",
"179",
"50",
"226",
"17",
"226",
"78",
"257",
"1",
"330",
"82",
"350",
"30",
"362",
"101",
"454",
"10",
"442",
"142",
"485",
"37",
"632",
"145",
"577",
"5",
"642",
"179",
"762",
"50",
"730",
"226",
"830",
"17",
"946",
"226",
"901",
"78",
"962",
"257",
"1191",
"1",
"1148",
"330",
"1157",
"82"
]
| [
"nonn",
"easy"
]
| 13 | 1 | 3 | [
"A001227",
"A050999",
"A113415",
"A363969",
"A363974"
]
| null | Seiichi Manyama, Jun 30 2023 | 2023-06-30T15:36:11 | oeisdata/seq/A363/A363969.seq | 742c592eb84153e1059eceff240aa459 |
A363970 | Expansion of Sum_{k>0} k^2 * x^(3*k-2) / (1 - x^(3*k-2)). | [
"1",
"1",
"1",
"5",
"1",
"1",
"10",
"5",
"1",
"17",
"1",
"5",
"26",
"10",
"1",
"41",
"1",
"1",
"50",
"21",
"10",
"65",
"1",
"5",
"82",
"26",
"1",
"114",
"1",
"17",
"122",
"41",
"1",
"145",
"10",
"5",
"170",
"50",
"26",
"217",
"1",
"10",
"226",
"69",
"1",
"257",
"1",
"41",
"299",
"98",
"1",
"354",
"1",
"1",
"362",
"114",
"50",
"401",
"1",
"21",
"442",
"122",
"10",
"525",
"26",
"65",
"530",
"149",
"1",
"602",
"1",
"5",
"626",
"170"
]
| [
"nonn",
"easy"
]
| 11 | 1 | 4 | [
"A001817",
"A103637",
"A363901",
"A363970",
"A363975"
]
| null | Seiichi Manyama, Jun 30 2023 | 2023-06-30T15:37:12 | oeisdata/seq/A363/A363970.seq | c3b565a4a0883ef84664417e3d4a652a |
A363971 | Expansion of Sum_{k>0} k^2 * x^(3*k-1) / (1 - x^(3*k-1)). | [
"0",
"1",
"0",
"1",
"4",
"1",
"0",
"10",
"0",
"5",
"16",
"1",
"0",
"26",
"4",
"10",
"36",
"1",
"0",
"54",
"0",
"17",
"64",
"10",
"4",
"82",
"0",
"26",
"100",
"5",
"0",
"131",
"16",
"37",
"148",
"1",
"0",
"170",
"0",
"63",
"196",
"26",
"0",
"242",
"4",
"65",
"256",
"10",
"0",
"294",
"36",
"82",
"324",
"1",
"20",
"396",
"0",
"101",
"400",
"54",
"0",
"442",
"0",
"131",
"488",
"17",
"0",
"566",
"64",
"174",
"576",
"10",
"0",
"626",
"4",
"170"
]
| [
"nonn",
"easy"
]
| 12 | 1 | 5 | [
"A001822",
"A103638",
"A363902",
"A363971",
"A363976"
]
| null | Seiichi Manyama, Jun 30 2023 | 2023-06-30T15:37:03 | oeisdata/seq/A363/A363971.seq | cb3ffb6227cea8118d6e94ae1d52f1e4 |
A363972 | Expansion of Sum_{k>0} k^2 * x^(4*k-3) / (1 - x^(4*k-3)). | [
"1",
"1",
"1",
"1",
"5",
"1",
"1",
"1",
"10",
"5",
"1",
"1",
"17",
"1",
"5",
"1",
"26",
"10",
"1",
"5",
"37",
"1",
"1",
"1",
"54",
"17",
"10",
"1",
"65",
"5",
"1",
"1",
"82",
"26",
"5",
"10",
"101",
"1",
"17",
"5",
"122",
"37",
"1",
"1",
"158",
"1",
"1",
"1",
"170",
"54",
"26",
"17",
"197",
"10",
"5",
"1",
"226",
"65",
"1",
"5",
"257",
"1",
"46",
"1",
"310",
"82",
"1",
"26",
"325",
"5",
"1",
"10",
"362",
"101",
"54",
"1",
"401",
"17",
"1",
"5",
"451",
"122",
"1"
]
| [
"nonn",
"easy"
]
| 13 | 1 | 5 | [
"A001826",
"A050450",
"A363903",
"A363972",
"A363977"
]
| null | Seiichi Manyama, Jun 30 2023 | 2023-06-30T15:36:39 | oeisdata/seq/A363/A363972.seq | 86da907d228294abfd01ed7ae01bdaf5 |
A363973 | Expansion of Sum_{k>0} k^2 * x^(4*k-1) / (1 - x^(4*k-1)). | [
"0",
"0",
"1",
"0",
"0",
"1",
"4",
"0",
"1",
"0",
"9",
"1",
"0",
"4",
"17",
"0",
"0",
"1",
"25",
"0",
"5",
"9",
"36",
"1",
"0",
"0",
"50",
"4",
"0",
"17",
"64",
"0",
"10",
"0",
"85",
"1",
"0",
"25",
"101",
"0",
"0",
"5",
"121",
"9",
"17",
"36",
"144",
"1",
"4",
"0",
"170",
"0",
"0",
"50",
"205",
"4",
"26",
"0",
"225",
"17",
"0",
"64",
"261",
"0",
"0",
"10",
"289",
"0",
"37",
"85",
"324",
"1",
"0",
"0",
"378",
"25",
"13",
"101",
"400",
"0",
"50",
"0"
]
| [
"nonn",
"easy"
]
| 14 | 1 | 7 | [
"A001842",
"A050453",
"A363904",
"A363973",
"A363978"
]
| null | Seiichi Manyama, Jun 30 2023 | 2023-06-30T15:36:28 | oeisdata/seq/A363/A363973.seq | 20db1073cf3df2c7d0b97964d26310b5 |
A363974 | Expansion of Sum_{k>0} x^k / (1 - x^(2*k))^3. | [
"1",
"1",
"4",
"1",
"7",
"4",
"11",
"1",
"19",
"7",
"22",
"4",
"29",
"11",
"46",
"1",
"46",
"19",
"56",
"7",
"80",
"22",
"79",
"4",
"98",
"29",
"124",
"11",
"121",
"46",
"137",
"1",
"178",
"46",
"188",
"19",
"191",
"56",
"242",
"7",
"232",
"80",
"254",
"22",
"337",
"79",
"301",
"4",
"336",
"98",
"400",
"29",
"379",
"124",
"434",
"11",
"494",
"121",
"466",
"46",
"497",
"137",
"623",
"1",
"596",
"178",
"596",
"46",
"712",
"188",
"667",
"19"
]
| [
"nonn"
]
| 11 | 1 | 3 | [
"A001227",
"A113415",
"A363969",
"A363974"
]
| null | Seiichi Manyama, Jun 30 2023 | 2023-06-30T15:36:20 | oeisdata/seq/A363/A363974.seq | befab2818532fc71dd88d88303b4ab9f |
A363975 | Expansion of Sum_{k>0} x^k / (1 - x^(3*k))^3. | [
"1",
"1",
"1",
"4",
"1",
"1",
"7",
"4",
"1",
"11",
"1",
"4",
"16",
"7",
"1",
"25",
"1",
"1",
"29",
"14",
"7",
"37",
"1",
"4",
"46",
"16",
"1",
"65",
"1",
"11",
"67",
"25",
"1",
"79",
"7",
"4",
"92",
"29",
"16",
"119",
"1",
"7",
"121",
"40",
"1",
"137",
"1",
"25",
"160",
"56",
"1",
"190",
"1",
"1",
"191",
"65",
"29",
"211",
"1",
"14",
"232",
"67",
"7",
"278",
"16",
"37",
"277",
"82",
"1",
"317",
"1",
"4",
"326",
"92",
"46",
"383",
"7",
"16",
"379"
]
| [
"nonn"
]
| 10 | 1 | 4 | [
"A001817",
"A363901",
"A363970",
"A363975"
]
| null | Seiichi Manyama, Jun 30 2023 | 2023-06-30T15:36:04 | oeisdata/seq/A363/A363975.seq | 01be50b548c0b14ce8397d9d2767af7a |
A363976 | Expansion of Sum_{k>0} x^(2*k) / (1 - x^(3*k))^3. | [
"0",
"1",
"0",
"1",
"3",
"1",
"0",
"7",
"0",
"4",
"10",
"1",
"0",
"16",
"3",
"7",
"21",
"1",
"0",
"32",
"0",
"11",
"36",
"7",
"3",
"46",
"0",
"16",
"55",
"4",
"0",
"73",
"10",
"22",
"81",
"1",
"0",
"92",
"0",
"38",
"105",
"16",
"0",
"131",
"3",
"37",
"136",
"7",
"0",
"157",
"21",
"46",
"171",
"1",
"13",
"212",
"0",
"56",
"210",
"32",
"0",
"232",
"0",
"73",
"256",
"11",
"0",
"298",
"36",
"97",
"300",
"7",
"0",
"326",
"3",
"92",
"361",
"46",
"0"
]
| [
"nonn"
]
| 9 | 1 | 5 | [
"A363971",
"A363976"
]
| null | Seiichi Manyama, Jun 30 2023 | 2023-06-30T15:35:54 | oeisdata/seq/A363/A363976.seq | 33018b8f9225bf2f58b29e3c7e4b0016 |
A363977 | Expansion of Sum_{k>0} x^k / (1 - x^(4*k))^3. | [
"1",
"1",
"1",
"1",
"4",
"1",
"1",
"1",
"7",
"4",
"1",
"1",
"11",
"1",
"4",
"1",
"16",
"7",
"1",
"4",
"22",
"1",
"1",
"1",
"32",
"11",
"7",
"1",
"37",
"4",
"1",
"1",
"46",
"16",
"4",
"7",
"56",
"1",
"11",
"4",
"67",
"22",
"1",
"1",
"88",
"1",
"1",
"1",
"92",
"32",
"16",
"11",
"106",
"7",
"4",
"1",
"121",
"37",
"1",
"4",
"137",
"1",
"28",
"1",
"167",
"46",
"1",
"16",
"172",
"4",
"1",
"7",
"191",
"56",
"32",
"1",
"211",
"11",
"1",
"4",
"238",
"67",
"1"
]
| [
"nonn"
]
| 10 | 1 | 5 | [
"A001826",
"A363903",
"A363972",
"A363977"
]
| null | Seiichi Manyama, Jun 30 2023 | 2023-06-30T15:35:43 | oeisdata/seq/A363/A363977.seq | ba946d8b7ca2a2c3c3552041639a8a8c |
A363978 | Expansion of Sum_{k>0} x^(3*k) / (1 - x^(4*k))^3. | [
"0",
"0",
"1",
"0",
"0",
"1",
"3",
"0",
"1",
"0",
"6",
"1",
"0",
"3",
"11",
"0",
"0",
"1",
"15",
"0",
"4",
"6",
"21",
"1",
"0",
"0",
"29",
"3",
"0",
"11",
"36",
"0",
"7",
"0",
"48",
"1",
"0",
"15",
"56",
"0",
"0",
"4",
"66",
"6",
"11",
"21",
"78",
"1",
"3",
"0",
"92",
"0",
"0",
"29",
"111",
"3",
"16",
"0",
"120",
"11",
"0",
"36",
"140",
"0",
"0",
"7",
"153",
"0",
"22",
"48",
"171",
"1",
"0",
"0",
"201",
"15",
"9",
"56",
"210",
"0",
"29",
"0",
"231",
"4",
"0",
"66",
"254",
"6",
"0"
]
| [
"nonn"
]
| 10 | 1 | 7 | [
"A363973",
"A363978"
]
| null | Seiichi Manyama, Jun 30 2023 | 2023-06-30T15:35:35 | oeisdata/seq/A363/A363978.seq | 54058a3665ed6a2da0fdd000b0bece8d |
A363979 | Number of nonsimilar polygonal regions in a regular n-gon with all diagonals drawn. | [
"1",
"1",
"3",
"3",
"7",
"7",
"14",
"13",
"25",
"19",
"37",
"35",
"58",
"53",
"82",
"58",
"112",
"98",
"150",
"133",
"177",
"151",
"239",
"212",
"300",
"275",
"369",
"244",
"455",
"409",
"530",
"488",
"631",
"526",
"736",
"683",
"858",
"800",
"975",
"794",
"1133",
"1056",
"1291",
"1227",
"1487",
"1289",
"1666",
"1600",
"1889",
"1797",
"2102",
"1884",
"2373",
"2242",
"2621",
"2496",
"2878",
"2458"
]
| [
"nonn"
]
| 26 | 3 | 3 | [
"A007678",
"A187781",
"A363979"
]
| null | Christopher Scussel, Jun 30 2023 | 2023-09-09T11:27:37 | oeisdata/seq/A363/A363979.seq | 0cae6b1c5a9a018a7a32ee70571e6c0d |
A363980 | Tom Greer's arithmetic progression of 27 primes. | [
"277699295941594831",
"315809464967513821",
"353919633993432811",
"392029803019351801",
"430139972045270791",
"468250141071189781",
"506360310097108771",
"544470479123027761",
"582580648148946751",
"620690817174865741",
"658800986200784731",
"696911155226703721",
"735021324252622711"
]
| [
"nonn",
"fini",
"full",
"easy"
]
| 35 | 1 | 1 | [
"A033188",
"A033290",
"A204189",
"A260751",
"A261140",
"A327760",
"A363980",
"A374949"
]
| null | Marco Ripà, Jun 30 2023 | 2024-08-08T03:17:47 | oeisdata/seq/A363/A363980.seq | 1eecc317798d8f2237b0b8d520775fdb |
A363981 | Integers k such that the smallest integer with k factor pairs has an odd number of divisors. | [
"1",
"2",
"5",
"11",
"13",
"14",
"17",
"23",
"29",
"38",
"41",
"43",
"46",
"47",
"53",
"58",
"59",
"61",
"67",
"68",
"71",
"73",
"74",
"83",
"86",
"89",
"94",
"95",
"101",
"103",
"107",
"109",
"111",
"113",
"116",
"118",
"122",
"123",
"127",
"131",
"137",
"138",
"143",
"149",
"151",
"158",
"163",
"167",
"172",
"173",
"178",
"179",
"181",
"188",
"191",
"193",
"194",
"197"
]
| [
"nonn"
]
| 48 | 1 | 2 | [
"A000005",
"A005179",
"A038548",
"A038549",
"A363981"
]
| null | Henry Nonnemaker, Jul 02 2023 | 2023-09-14T00:53:51 | oeisdata/seq/A363/A363981.seq | ad3e024bee984721530ee323bb2fa22d |
A363982 | G.f. satisfies A(x) = 1 + x*A(x)^2 / (1 + x*A(x)^3). | [
"1",
"1",
"1",
"-1",
"-8",
"-16",
"16",
"195",
"491",
"-317",
"-6293",
"-18608",
"4610",
"230385",
"780625",
"107615",
"-9028280",
"-34695607",
"-17401607",
"367885509",
"1598468196",
"1350497961",
"-15317000747",
"-75391402496",
"-88375867528",
"643505487144",
"3611942077216",
"5376931884971"
]
| [
"sign"
]
| 49 | 0 | 5 | [
"A219537",
"A291534",
"A363982",
"A364051",
"A364764"
]
| null | Seiichi Manyama, Aug 05 2023 | 2023-08-06T11:04:52 | oeisdata/seq/A363/A363982.seq | d23021c57a343b461c64cd37bc81dc48 |
A363983 | a(n) = Sum_{k = floor((n+1)/2)..n} (-1)^(n+k)*binomial(n,k)*binomial(n+k-1,k)*binomial(2*k,n). | [
"1",
"2",
"14",
"128",
"1310",
"14252",
"161168",
"1872096",
"22179102",
"266766500",
"3247293764",
"39914850560",
"494587904720",
"6170138404640",
"77420709800000",
"976308769560128",
"12365391374849310",
"157214288994620820",
"2005631418267291740"
]
| [
"nonn",
"easy"
]
| 18 | 0 | 2 | [
"A000172",
"A363983",
"A363984"
]
| null | Peter Bala, Jul 01 2023 | 2023-07-09T12:14:33 | oeisdata/seq/A363/A363983.seq | 3b26ada3399e6a2dcd74c1bcd8108e61 |
A363984 | a(n) = Sum_{k = 0..n} (-1)^(n+k)*binomial(n,k)*binomial(n+k,k)*A363983(k). | [
"1",
"3",
"73",
"2163",
"75001",
"2835003",
"113329945",
"4711519347",
"201638246905",
"8824346685003",
"393088036809073",
"17764622316152715",
"812477640612743977",
"37535247213943518315",
"1749047441756088054073",
"82108960863923963522163",
"3879675478363506548275705"
]
| [
"nonn",
"easy"
]
| 14 | 0 | 2 | [
"A000172",
"A005259",
"A363983",
"A363984"
]
| null | Peter Bala, Jul 01 2023 | 2023-07-10T02:09:48 | oeisdata/seq/A363/A363984.seq | c1b64b766c05c9ecefc5ca2bd0176d6d |
A363985 | a(n) = Sum_{k = 0..n} (-4)^(n-k)*binomial(n,k)*binomial(2*n+k,k)*binomial(2*k,k). | [
"1",
"2",
"26",
"272",
"3418",
"44252",
"597104",
"8249152",
"116158298",
"1659335492",
"23979247276",
"349798313152",
"5142733169776",
"76108788764192",
"1132729444052288",
"16940944956246272",
"254449319912898394",
"3836162994088105172",
"58028561918702719604"
]
| [
"nonn",
"easy"
]
| 24 | 0 | 2 | [
"A000172",
"A000984",
"A362676",
"A363985",
"A363986",
"A363990"
]
| null | Peter Bala, Jul 02 2023 | 2025-03-27T23:28:11 | oeisdata/seq/A363/A363985.seq | a1951b1d76a3765a8def1f0c9d182630 |
A363986 | a(n) = Sum_{k = 0..n} (-4)^(n-k)*binomial(n,k)*binomial(2*n+2*k,2*k)* binomial(2*k,k). | [
"1",
"8",
"196",
"5984",
"202276",
"7247008",
"269601424",
"10297532288",
"401058612004",
"15856045354016",
"634378106023696",
"25627134232807808",
"1043593599416897296",
"42785184639021974144",
"1764239681293889859136",
"73111053557938599529984",
"3042945108269382418885412",
"127134885390090499643731744"
]
| [
"nonn",
"easy"
]
| 14 | 0 | 2 | [
"A000172",
"A362676",
"A363985",
"A363986",
"A363990"
]
| null | Peter Bala, Jul 02 2023 | 2023-07-17T05:22:28 | oeisdata/seq/A363/A363986.seq | 8844a8a4b62da2e60e7f52014b470851 |
A363987 | a(n) = Sum_{k = 0..n} (-4)^(n-k)*binomial(n,k)*binomial(3*n+k,k)*binomial(2*k,k). | [
"1",
"4",
"72",
"1336",
"27816",
"609504",
"13849776",
"322761632",
"7665078696",
"184706717728",
"4502875483072",
"110816709352848",
"2748733193029488",
"68633934354206784",
"1723482744564382272",
"43491464193991134336",
"1102200555724995901864",
"28038534962615758665120",
"715655490507796997136960",
"18321118155905647835092032"
]
| [
"nonn",
"easy"
]
| 17 | 0 | 2 | [
"A000172",
"A362676",
"A363985",
"A363986",
"A363987",
"A363988",
"A363989",
"A363990"
]
| null | Peter Bala, Jul 02 2023 | 2025-03-27T23:28:06 | oeisdata/seq/A363/A363987.seq | 73456bdf78f083bfa7179476347ed341 |
A363988 | a(n) = Sum_{k = 0..n} (-4)^(n-k)*binomial(n,k)*binomial(3*n+2*k,2*k)* binomial(2*k,k). | [
"1",
"16",
"828",
"53836",
"3879404",
"296396016",
"23517939996",
"1916072466688",
"159188357217516",
"13425731614346272",
"1145885291754711328",
"98752981735587825288",
"8579149369628730276860",
"750365776730717473307920",
"66009615160057048401092544",
"5835864811138398925049262336"
]
| [
"nonn",
"easy"
]
| 17 | 0 | 2 | [
"A000172",
"A362676",
"A363985",
"A363988",
"A363990"
]
| null | Peter Bala, Jul 02 2023 | 2025-03-27T23:28:02 | oeisdata/seq/A363/A363988.seq | 943bc4b4c72bfb971f8832a3f682326c |
A363989 | a(n) = Sum_{k = 0..n} (-4)^(n-k)*binomial(n,k)*binomial(4*n+k,k)*binomial(2*k,k). | [
"1",
"6",
"142",
"3732",
"108750",
"3345256",
"106702756",
"3491407296",
"116430027470",
"3939976259340",
"134891827384392",
"4662318475294992",
"162421061711817252",
"5696013237211704192",
"200894768178332121280",
"7120345964204221311232",
"253453190156679801719502"
]
| [
"nonn",
"easy"
]
| 15 | 0 | 2 | [
"A000172",
"A362676",
"A363985",
"A363989",
"A363990"
]
| null | Peter Bala, Jul 02 2023 | 2025-03-27T23:27:58 | oeisdata/seq/A363/A363989.seq | 1a59cdd7c3c01c0b581d594c6708c728 |
A363990 | a(n) = Sum_{k = 0..n} (-4)^(n-k)*binomial(n,k)*binomial(4*n+2*k,2*k)* binomial(2*k,k). | [
"1",
"26",
"2266",
"248912",
"30319450",
"3916519276",
"525461758576",
"72392116266048",
"10170507622031194",
"1450543675513428980",
"209364056530208329516",
"30512943166359499514816",
"4482853776729105180939376",
"663074836517763287008874912",
"98645674256284705335605335360"
]
| [
"nonn",
"easy"
]
| 15 | 0 | 2 | [
"A000172",
"A362676",
"A363985",
"A363989",
"A363990"
]
| null | Peter Bala, Jul 02 2023 | 2025-03-27T23:27:55 | oeisdata/seq/A363/A363990.seq | 19afce2a1f41586e696c37e8140c7eb9 |
A363991 | a(n) = Sum_{d|n, d odd} d^(d+1). | [
"1",
"1",
"82",
"1",
"15626",
"82",
"5764802",
"1",
"3486784483",
"15626",
"3138428376722",
"82",
"3937376385699290",
"5764802",
"6568408355712906332",
"1",
"14063084452067724991010",
"3486784483",
"37589973457545958193355602",
"15626",
"122694327386105632949009377724",
"3138428376722"
]
| [
"nonn",
"easy"
]
| 38 | 1 | 3 | [
"A363991",
"A364041"
]
| null | Seiichi Manyama, Jul 09 2023 | 2023-07-09T12:13:38 | oeisdata/seq/A363/A363991.seq | c9c4f752dda5d3404ec3fd83f7bc9266 |
A363992 | The number of ways 2n can be expressed as the sum of an odd prime number and an odd nonprime, both of which are relatively prime to n. | [
"0",
"0",
"1",
"1",
"1",
"0",
"1",
"2",
"1",
"1",
"2",
"2",
"1",
"3",
"3",
"1",
"6",
"3",
"1",
"8",
"4",
"2",
"6",
"6",
"3",
"5",
"7",
"4",
"8",
"8",
"2",
"12",
"7",
"3",
"13",
"6",
"6",
"11",
"9",
"4",
"12",
"12",
"4",
"13",
"13",
"3",
"14",
"14",
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"17",
"11",
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"15",
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"10",
"14",
"13",
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"16",
"18",
"3",
"22",
"18",
"7",
"24",
"14",
"11",
"20",
"20",
"14",
"17",
"18",
"10",
"22",
"22",
"8"
]
| [
"nonn"
]
| 15 | 0 | 8 | [
"A002375",
"A141095",
"A363992"
]
| null | Brian Darrow, Jr., Jun 30 2023 | 2023-08-02T12:02:18 | oeisdata/seq/A363/A363992.seq | 458484069e484b7b53aa21aa6d50d22a |
A363993 | a(n) = greatest integer k such that 1/n + 1/(n + 1) +...+ 1/k < 2. | [
"3",
"10",
"18",
"25",
"32",
"40",
"47",
"54",
"62",
"69",
"77",
"84",
"91",
"99",
"106",
"114",
"121",
"128",
"136",
"143",
"150",
"158",
"165",
"173",
"180",
"187",
"195",
"202",
"210",
"217",
"224",
"232",
"239",
"247",
"254",
"261",
"269",
"276",
"283",
"291",
"298",
"306",
"313",
"320",
"328",
"335",
"343",
"350",
"357",
"365",
"372",
"380",
"387",
"394",
"402"
]
| [
"nonn"
]
| 20 | 1 | 1 | [
"A001620",
"A136616",
"A363993",
"A364609"
]
| null | Clark Kimberling, Sep 06 2023 | 2023-09-08T07:09:02 | oeisdata/seq/A363/A363993.seq | 97143b558bb8330a83fb19d67bbfb36e |
A363994 | a(n) is the number of partitions of n whose difference multiset has no duplicates; see Comments. | [
"1",
"1",
"2",
"2",
"3",
"3",
"4",
"5",
"7",
"6",
"10",
"11",
"11",
"15",
"18",
"18",
"25",
"29",
"28",
"38",
"44",
"47",
"54",
"67",
"68",
"84",
"88",
"102",
"114",
"137",
"132",
"167",
"180",
"204",
"214",
"261",
"264",
"315",
"328",
"377",
"414",
"476",
"473",
"564",
"603",
"677",
"708",
"820",
"846",
"969",
"1028",
"1131",
"1214",
"1364",
"1414",
"1596",
"1701",
"1858"
]
| [
"nonn"
]
| 19 | 0 | 3 | [
"A000041",
"A325858",
"A325876",
"A363994",
"A364612"
]
| null | Clark Kimberling, Sep 08 2023 | 2023-09-18T02:10:41 | oeisdata/seq/A363/A363994.seq | a00c747120c94d9561fb14acf5b6750d |
A363995 | Rectangular array by descending antidiagonals: row n consists of the numbers k such that n = 1 + maximal runlength of 0's in the ternary representation of k. | [
"1",
"2",
"3",
"4",
"6",
"9",
"5",
"10",
"18",
"27",
"7",
"11",
"28",
"54",
"81",
"8",
"12",
"29",
"82",
"162",
"243",
"13",
"15",
"36",
"83",
"244",
"486",
"729",
"14",
"19",
"45",
"108",
"245",
"730",
"1458",
"2187",
"16",
"20",
"55",
"135",
"324",
"731",
"2188",
"4374",
"6561",
"17",
"21",
"56",
"163",
"405",
"972",
"2189",
"6562",
"13122",
"19683",
"22",
"24",
"63"
]
| [
"nonn",
"tabl",
"base"
]
| 12 | 1 | 2 | [
"A000244",
"A032924",
"A363995",
"A363996"
]
| null | Clark Kimberling, Jul 01 2023 | 2023-08-02T11:48:54 | oeisdata/seq/A363/A363995.seq | 5f44f2036b9a1072805934eee3fcec1f |
A363996 | Rectangular array by descending antidiagonals: row n consists of the numbers k such that n = 1 + maximal runlength of 1's in the ternary representation of k. | [
"2",
"6",
"1",
"8",
"3",
"4",
"18",
"5",
"12",
"13",
"20",
"7",
"14",
"39",
"40",
"24",
"9",
"22",
"41",
"120",
"121",
"26",
"10",
"31",
"67",
"122",
"363",
"364",
"54",
"11",
"36",
"94",
"202",
"365",
"1092",
"1093",
"56",
"15",
"37",
"117",
"283",
"607",
"1094",
"3279",
"3280",
"60",
"16",
"38",
"118",
"360",
"850",
"1822",
"3281",
"9840",
"9841",
"62",
"17",
"42",
"119"
]
| [
"nonn",
"tabl",
"base"
]
| 7 | 1 | 1 | [
"A000244",
"A032924",
"A363995",
"A363996"
]
| null | Clark Kimberling, Jul 01 2023 | 2023-08-02T11:49:06 | oeisdata/seq/A363/A363996.seq | e9613a7bd9b075f85853ba4bd01953d6 |
A363997 | Position in A088732 of the n-th prime. | [
"1",
"2",
"3",
"4",
"6",
"7",
"9",
"5",
"10",
"8",
"12",
"15",
"16",
"19",
"14",
"21",
"11",
"22",
"24",
"18",
"27",
"20",
"30",
"31",
"17",
"34",
"36",
"37",
"40",
"28",
"42",
"45",
"49",
"51",
"13",
"26",
"52",
"54",
"55",
"38",
"57",
"32",
"64",
"33",
"44",
"66",
"23",
"46",
"69",
"35",
"70",
"25",
"50",
"75",
"76",
"79",
"41",
"82",
"56",
"84",
"29",
"58",
"87",
"60",
"90",
"91",
"48"
]
| [
"nonn"
]
| 9 | 1 | 2 | [
"A000040",
"A038780",
"A088732",
"A363997",
"A363998"
]
| null | Clark Kimberling, Jul 11 2023 | 2023-08-02T11:49:16 | oeisdata/seq/A363/A363997.seq | 7e7a37eb61d54be4de81edcd4a831753 |
A363998 | Primes of the form |2^i - 3^j|, for i >= 0, j >= 0. | [
"2",
"3",
"5",
"7",
"11",
"13",
"17",
"19",
"23",
"29",
"31",
"37",
"47",
"61",
"73",
"79",
"101",
"127",
"139",
"179",
"211",
"227",
"229",
"239",
"241",
"269",
"431",
"503",
"509",
"601",
"727",
"997",
"1021",
"1163",
"1319",
"1931",
"2039",
"2179",
"3299",
"3853",
"4093",
"4513",
"6529",
"6553",
"7949",
"8111",
"8191",
"11491",
"14197",
"16141",
"16381"
]
| [
"nonn"
]
| 7 | 1 | 1 | [
"A000040",
"A000079",
"A000244",
"A007643",
"A014121",
"A321671",
"A363998",
"A363999",
"A364000"
]
| null | Clark Kimberling, Jul 30 2023 | 2023-07-31T09:53:45 | oeisdata/seq/A363/A363998.seq | 8843e7f24dc56cb44857bb4153817827 |
A363999 | Numbers of the form |2^i - 3^j|, for i >= 1, j >= 1. | [
"1",
"5",
"7",
"11",
"13",
"17",
"19",
"23",
"25",
"29",
"37",
"47",
"49",
"55",
"61",
"65",
"73",
"77",
"79",
"101",
"115",
"119",
"125",
"139",
"175",
"179",
"211",
"217",
"227",
"229",
"235",
"239",
"241",
"247",
"253",
"269",
"295",
"431",
"473",
"485",
"503",
"509",
"601",
"665",
"697",
"713",
"721",
"725",
"727",
"781",
"943",
"997",
"1015",
"1021",
"1163"
]
| [
"nonn"
]
| 11 | 1 | 2 | [
"A014121",
"A363998",
"A363999",
"A364000",
"A364001"
]
| null | Clark Kimberling, Jul 30 2023 | 2023-08-02T11:49:35 | oeisdata/seq/A363/A363999.seq | a2a2db0bab85e89e7775745578010304 |
A364000 | Numbers of the form |2^i - 3^j - 1|/2, i >= 1, j >= 1. | [
"0",
"2",
"3",
"5",
"6",
"8",
"9",
"11",
"12",
"14",
"18",
"23",
"24",
"27",
"30",
"32",
"36",
"38",
"39",
"50",
"57",
"59",
"62",
"69",
"87",
"89",
"105",
"108",
"113",
"114",
"117",
"119",
"120",
"123",
"126",
"134",
"147",
"215",
"236",
"242",
"251",
"254",
"300",
"332",
"348",
"356",
"360",
"362",
"363",
"390",
"471",
"498",
"507",
"510",
"581",
"659",
"815",
"837"
]
| [
"nonn"
]
| 8 | 1 | 2 | [
"A363999",
"A364000"
]
| null | Clark Kimberling, Aug 09 2023 | 2023-09-04T12:46:03 | oeisdata/seq/A364/A364000.seq | cbc35c045c1193625441d7dcd3af6e94 |
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