sequence_id
stringlengths 7
7
| sequence_name
stringlengths 4
573
| sequence
sequencelengths 1
348
| keywords
sequencelengths 1
8
| score
int64 1
2.31k
| offset_a
int64 -14,827
666,262,453B
| offset_b
int64 0
635M
⌀ | cross_references
sequencelengths 1
128
⌀ | former_ids
sequencelengths 1
3
⌀ | author
stringlengths 7
231
⌀ | timestamp
timestamp[us]date 1999-12-11 03:00:00
2025-04-28 00:58:08
| filename
stringlengths 29
29
| hash
stringlengths 32
32
|
---|---|---|---|---|---|---|---|---|---|---|---|---|
A382896 | Smith sphenic numbers, i.e., Smith numbers (A006753) that are the product of three distinct prime numbers. | [
"438",
"483",
"627",
"645",
"654",
"663",
"762",
"861",
"915",
"1086",
"1581",
"1626",
"1842",
"2067",
"2265",
"2373",
"2409",
"2679",
"2751",
"3138",
"3246",
"3345",
"3615",
"4173",
"4191",
"4209",
"4974",
"5253",
"5298",
"5397",
"5946",
"6054",
"6315",
"6531",
"6567",
"6585",
"6603",
"6693",
"6702",
"6855",
"6981",
"7026",
"7089",
"7287"
] | [
"nonn",
"base"
] | 10 | 1 | 1 | [
"A006753",
"A007304",
"A382896"
] | null | Shyam Sunder Gupta, Apr 08 2025 | 2025-04-08T09:35:40 | oeisdata/seq/A382/A382896.seq | 4863f885bf16e34787a67e47eaa0e2be |
A382897 | a(n) = n / A382895(n). | [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"1",
"1",
"2",
"1",
"1",
"5",
"1",
"1",
"1",
"1",
"2",
"1",
"2",
"1",
"8",
"5",
"2",
"1",
"2",
"1",
"3",
"1",
"2",
"3",
"1",
"5",
"18",
"1",
"1",
"3",
"4",
"1",
"2",
"1",
"4",
"5",
"1",
"1",
"4",
"1",
"5",
"1",
"2",
"1",
"1",
"5",
"1",
"1",
"1",
"1",
"6",
"1",
"2",
"3",
"4",
"5",
"6",
"1",
"1",
"1",
"7",
"1",
"2",
"1",
"1",
"5",
"1",
"7",
"1",
"1",
"8",
"1",
"2",
"1",
"4",
"5",
"1",
"1",
"8",
"1",
"9",
"1",
"2",
"3",
"1",
"5",
"6",
"1",
"1",
"9"
] | [
"nonn",
"base",
"easy"
] | 10 | 1 | 2 | [
"A051801",
"A382895",
"A382897"
] | null | Seiichi Manyama, Apr 08 2025 | 2025-04-08T08:46:23 | oeisdata/seq/A382/A382897.seq | 89a17bcadd680563125de09ec017d5a8 |
A382898 | Beginning with 13, least prime such that concatenation of first n terms and its digit reversal both are primes. | [
"13",
"151",
"227",
"2083",
"887",
"79",
"2963",
"1579",
"6287",
"1321",
"6719",
"54919",
"26699",
"8647",
"4229",
"3919",
"102161",
"42433",
"1667",
"192193",
"11633",
"186343",
"47339",
"3259",
"65963",
"14293",
"29717",
"61297",
"28493",
"231367",
"43793",
"145021",
"566441",
"475903",
"92381",
"80473",
"139967",
"882061",
"72893",
"709279",
"6053",
"114487",
"1179389",
"204331",
"203351",
"139831",
"396239",
"205327",
"501173",
"951589"
] | [
"base",
"nonn",
"new"
] | 9 | 1 | 1 | [
"A111382",
"A111383",
"A113584",
"A379354",
"A379355",
"A379761",
"A380227",
"A382898"
] | null | J.W.L. (Jan) Eerland, Apr 08 2025 | 2025-04-15T04:00:01 | oeisdata/seq/A382/A382898.seq | d5793456c1a7e0a85af33ed354aac1d5 |
A382899 | The smallest n-digit prime that turns composite at each step as its digits are successively appended, starting from the first. | [
"2",
"11",
"101",
"1013",
"10007",
"100003",
"1000003",
"10000019",
"100000007",
"1000000007",
"10000000019",
"100000000003",
"1000000000061",
"10000000000037",
"100000000000031",
"1000000000000037",
"10000000000000061",
"100000000000000013",
"1000000000000000003",
"10000000000000000051"
] | [
"nonn",
"base",
"changed"
] | 30 | 1 | 1 | [
"A003617",
"A382899",
"A382981"
] | null | Jean-Marc Rebert, Apr 08 2025 | 2025-04-16T09:02:08 | oeisdata/seq/A382/A382899.seq | 0aa9e05de0b2daa7e8109945714ed40e |
A382900 | Composites whose prime factors are not all Mersenne primes. | [
"4",
"6",
"8",
"10",
"12",
"14",
"15",
"16",
"18",
"20",
"22",
"24",
"25",
"26",
"28",
"30",
"32",
"33",
"34",
"35",
"36",
"38",
"39",
"40",
"42",
"44",
"45",
"46",
"48",
"50",
"51",
"52",
"54",
"55",
"56",
"57",
"58",
"60",
"62",
"64",
"65",
"66",
"68",
"69",
"70",
"72",
"74",
"75",
"76",
"77",
"78",
"80",
"82",
"84",
"85",
"86",
"87",
"88",
"90",
"91",
"92",
"94",
"95",
"96",
"98",
"99",
"100"
] | [
"nonn"
] | 7 | 1 | 1 | [
"A000668",
"A002808",
"A056652",
"A348839",
"A382900"
] | null | Stefano Spezia, Apr 08 2025 | 2025-04-12T12:36:15 | oeisdata/seq/A382/A382900.seq | ecb3776675341ae794302dff41863a8a |
A382901 | Semiprimes that can be expressed using at most one of each of the semiprime digits 4, 6, 9 using concatenation and the arithmetic operations +, -, *, /, ^. | [
"4",
"6",
"9",
"10",
"15",
"33",
"46",
"49",
"55",
"58",
"65",
"69",
"94",
"469",
"649",
"694",
"4087",
"4105"
] | [
"nonn",
"base",
"fini",
"full"
] | 13 | 1 | 1 | null | null | Zak Seidov and Robert Israel, Apr 08 2025 | 2025-04-11T07:58:31 | oeisdata/seq/A382/A382901.seq | 02780740fc263484781fa2e12a427904 |
A382902 | The largest cubefree divisor of the n-th biquadratefree number. | [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"4",
"9",
"10",
"11",
"12",
"13",
"14",
"15",
"17",
"18",
"19",
"20",
"21",
"22",
"23",
"12",
"25",
"26",
"9",
"28",
"29",
"30",
"31",
"33",
"34",
"35",
"36",
"37",
"38",
"39",
"20",
"41",
"42",
"43",
"44",
"45",
"46",
"47",
"49",
"50",
"51",
"52",
"53",
"18",
"55",
"28",
"57",
"58",
"59",
"60",
"61",
"62",
"63",
"65",
"66",
"67",
"68",
"69",
"70",
"71",
"36"
] | [
"nonn",
"easy"
] | 8 | 1 | 2 | [
"A007948",
"A013662",
"A046100",
"A382902",
"A382903",
"A382904",
"A382905",
"A382906"
] | null | Amiram Eldar, Apr 08 2025 | 2025-04-09T04:19:47 | oeisdata/seq/A382/A382902.seq | 6915ca4cb412acf98966c24084ab4720 |
A382903 | The largest cubefree unitary divisor of the n-th biquadratefree number. | [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"1",
"9",
"10",
"11",
"12",
"13",
"14",
"15",
"17",
"18",
"19",
"20",
"21",
"22",
"23",
"3",
"25",
"26",
"1",
"28",
"29",
"30",
"31",
"33",
"34",
"35",
"36",
"37",
"38",
"39",
"5",
"41",
"42",
"43",
"44",
"45",
"46",
"47",
"49",
"50",
"51",
"52",
"53",
"2",
"55",
"7",
"57",
"58",
"59",
"60",
"61",
"62",
"63",
"65",
"66",
"67",
"68",
"69",
"70",
"71",
"9",
"73"
] | [
"nonn",
"easy"
] | 7 | 1 | 2 | [
"A013662",
"A046100",
"A360539",
"A382902",
"A382903",
"A382904",
"A382905",
"A382906"
] | null | Amiram Eldar, Apr 08 2025 | 2025-04-09T04:19:43 | oeisdata/seq/A382/A382903.seq | 683ac0527e79a920e8a8652b0ed8a1f4 |
A382904 | The squarefree kernel of the n-th biquadratefree number. | [
"1",
"2",
"3",
"2",
"5",
"6",
"7",
"2",
"3",
"10",
"11",
"6",
"13",
"14",
"15",
"17",
"6",
"19",
"10",
"21",
"22",
"23",
"6",
"5",
"26",
"3",
"14",
"29",
"30",
"31",
"33",
"34",
"35",
"6",
"37",
"38",
"39",
"10",
"41",
"42",
"43",
"22",
"15",
"46",
"47",
"7",
"10",
"51",
"26",
"53",
"6",
"55",
"14",
"57",
"58",
"59",
"30",
"61",
"62",
"21",
"65",
"66",
"67",
"34",
"69",
"70",
"71",
"6",
"73",
"74"
] | [
"nonn",
"easy"
] | 7 | 1 | 2 | [
"A007947",
"A013662",
"A046100",
"A382902",
"A382903",
"A382904",
"A382905",
"A382906"
] | null | Amiram Eldar, Apr 08 2025 | 2025-04-09T04:19:39 | oeisdata/seq/A382/A382904.seq | 22d8b70d46e0ff8853326b91b89922a5 |
A382905 | The powerfree part of the n-th biquadratefree number. | [
"1",
"2",
"3",
"1",
"5",
"6",
"7",
"1",
"1",
"10",
"11",
"3",
"13",
"14",
"15",
"17",
"2",
"19",
"5",
"21",
"22",
"23",
"3",
"1",
"26",
"1",
"7",
"29",
"30",
"31",
"33",
"34",
"35",
"1",
"37",
"38",
"39",
"5",
"41",
"42",
"43",
"11",
"5",
"46",
"47",
"1",
"2",
"51",
"13",
"53",
"2",
"55",
"7",
"57",
"58",
"59",
"15",
"61",
"62",
"7",
"65",
"66",
"67",
"17",
"69",
"70",
"71",
"1",
"73",
"74",
"3",
"19"
] | [
"nonn",
"easy"
] | 7 | 1 | 2 | [
"A013662",
"A046100",
"A055231",
"A382902",
"A382903",
"A382904",
"A382905",
"A382906"
] | null | Amiram Eldar, Apr 08 2025 | 2025-04-09T04:19:39 | oeisdata/seq/A382/A382905.seq | f244056f75dcfaee818a759bf1889ed7 |
A382906 | The powerful part of the n-th biquadratefree number. | [
"1",
"1",
"1",
"4",
"1",
"1",
"1",
"8",
"9",
"1",
"1",
"4",
"1",
"1",
"1",
"1",
"9",
"1",
"4",
"1",
"1",
"1",
"8",
"25",
"1",
"27",
"4",
"1",
"1",
"1",
"1",
"1",
"1",
"36",
"1",
"1",
"1",
"8",
"1",
"1",
"1",
"4",
"9",
"1",
"1",
"49",
"25",
"1",
"4",
"1",
"27",
"1",
"8",
"1",
"1",
"1",
"4",
"1",
"1",
"9",
"1",
"1",
"1",
"4",
"1",
"1",
"1",
"72",
"1",
"1",
"25",
"4",
"1",
"1",
"1",
"1",
"1",
"4",
"1",
"1",
"1",
"8",
"1",
"9",
"1"
] | [
"nonn",
"easy"
] | 9 | 1 | 4 | [
"A013662",
"A046100",
"A057521",
"A382902",
"A382903",
"A382904",
"A382905",
"A382906"
] | null | Amiram Eldar, Apr 08 2025 | 2025-04-09T04:19:29 | oeisdata/seq/A382/A382906.seq | cbf7ec715db906fd4b5bda0da5739eeb |
A382907 | Decimal expansion of 1/2 - Pi*(sqrt(2)+1)/16. | [
"0",
"2",
"5",
"9",
"7",
"0",
"2",
"7",
"5",
"5",
"1",
"5",
"7",
"4",
"0",
"0",
"3",
"2",
"1",
"5",
"7",
"5",
"9",
"2",
"2",
"2",
"6",
"6",
"6",
"6",
"2",
"3",
"7",
"7",
"1",
"3",
"5",
"7",
"4",
"2",
"6",
"3",
"0",
"5",
"6",
"9",
"5",
"3",
"0",
"7",
"5",
"2",
"4",
"7",
"2",
"4",
"6",
"2",
"2",
"8",
"7",
"3",
"7",
"5",
"4",
"5",
"9",
"8",
"4",
"3",
"0",
"0",
"0",
"3",
"8",
"3",
"9",
"4",
"8",
"1",
"8",
"1",
"7",
"4",
"7",
"8",
"9"
] | [
"nonn",
"cons"
] | 4 | 0 | 2 | [
"A239120",
"A382907"
] | null | Sean A. Irvine, Apr 08 2025 | 2025-04-08T19:33:56 | oeisdata/seq/A382/A382907.seq | 4aab44855285296aacf918d028232a0b |
A382908 | Lexicographically earliest sequence of positive integers such that the n-th pair of consecutive equal values are separated by a(n) distinct terms, with pairs numbered by their average index. | [
"1",
"2",
"1",
"3",
"2",
"3",
"4",
"1",
"3",
"2",
"5",
"2",
"4",
"3",
"2",
"4",
"6",
"3",
"5",
"1",
"3",
"7",
"5",
"6",
"5",
"2",
"1"
] | [
"nonn",
"more",
"new"
] | 20 | 1 | 2 | [
"A363654",
"A363708",
"A363757",
"A382908",
"A382911"
] | null | Neal Gersh Tolunsky, Apr 08 2025 | 2025-04-23T10:37:00 | oeisdata/seq/A382/A382908.seq | cd732fb681187e2e3567280bdf988f8d |
A382909 | Number of possible (area, dinv) interchanging bijections of Dyck paths of length 2n. | [
"1",
"1",
"1",
"1",
"16",
"165112971264",
"7081067777179913483347996561235301491807900639024696524800000000000000000000"
] | [
"nonn",
"new"
] | 24 | 1 | 5 | null | null | Blake Jackson, Apr 08 2025 | 2025-04-19T06:16:50 | oeisdata/seq/A382/A382909.seq | 5befd9056c439e8e75c3eeb302b91834 |
A382910 | a(n) = A003266(n)^2. | [
"1",
"1",
"1",
"4",
"36",
"900",
"57600",
"9734400",
"4292870400",
"4962558182400",
"15011738501760000",
"118907980672440960000",
"2465675887223735746560000",
"133859078241489389944995840000",
"19025256931384645503492313743360000",
"7079298104168226591849489943904256000000",
"6896432754839457130755425769163265163264000000"
] | [
"nonn",
"easy",
"new"
] | 28 | 0 | 4 | [
"A000045",
"A003266",
"A007598",
"A090281",
"A382910"
] | null | Edwin Hermann, Apr 08 2025 | 2025-04-15T15:42:45 | oeisdata/seq/A382/A382910.seq | f417418a1fe70c264ec9c147764d4eba |
A382911 | Lexicographically earliest sequence of positive integers such that the n-th pair of consecutive equal values are separated by a(n) distinct terms, with pairs numbered according to the average index of the pair. | [
"1",
"2",
"1",
"3",
"1",
"2",
"4",
"2",
"3",
"4",
"2",
"5",
"1"
] | [
"nonn",
"more",
"new"
] | 12 | 1 | 2 | [
"A363654",
"A363708",
"A363757",
"A382908",
"A382911"
] | null | Neal Gersh Tolunsky, Apr 08 2025 | 2025-04-23T10:37:12 | oeisdata/seq/A382/A382911.seq | 3c3869179e90fd0d05eac616c39fda7f |
A382912 | Numbers k such that row k of A305936 (a multiset whose multiplicities are the prime indices of k) is a Look-and-Say partition, meaning it has a permutation with all distinct run-lengths. | [
"4",
"8",
"9",
"12",
"16",
"18",
"20",
"24",
"27",
"28",
"32",
"36",
"40",
"44",
"45",
"48",
"50",
"52",
"54",
"56",
"60",
"63",
"64",
"68",
"72",
"75",
"76",
"80",
"81",
"84",
"88",
"90",
"92",
"96",
"98",
"99",
"100",
"104",
"108",
"112",
"116",
"117",
"120",
"124",
"125",
"126",
"128",
"132",
"135",
"136",
"140",
"144",
"148",
"150",
"152",
"153",
"156",
"160",
"162",
"164"
] | [
"nonn",
"new"
] | 12 | 1 | 1 | [
"A000720",
"A001221",
"A001222",
"A048767",
"A056239",
"A112798",
"A181821",
"A239455",
"A305936",
"A329739",
"A335125",
"A351202",
"A351291",
"A351293",
"A351294",
"A351295",
"A351596",
"A381431",
"A381432",
"A381433",
"A381436",
"A381440",
"A381636",
"A381717",
"A381871",
"A382525",
"A382771",
"A382773",
"A382775",
"A382857",
"A382858",
"A382876",
"A382879",
"A382912",
"A382913",
"A382914",
"A382915"
] | null | Gus Wiseman, Apr 12 2025 | 2025-04-18T14:29:23 | oeisdata/seq/A382/A382912.seq | 383428dcc0665b5d82623f480a31218d |
A382913 | Numbers k such that row k of A305936 (a multiset whose multiplicities are the prime indices of k) is not a Look-and-Say partition, meaning it has no permutation with all distinct run-lengths. | [
"1",
"2",
"3",
"5",
"6",
"7",
"10",
"11",
"13",
"14",
"15",
"17",
"19",
"21",
"22",
"23",
"25",
"26",
"29",
"30",
"31",
"33",
"34",
"35",
"37",
"38",
"39",
"41",
"42",
"43",
"46",
"47",
"49",
"51",
"53",
"55",
"57",
"58",
"59",
"61",
"62",
"65",
"66",
"67",
"69",
"70",
"71",
"73",
"74",
"77",
"78",
"79",
"82",
"83",
"85",
"86",
"87",
"89",
"91",
"93",
"94",
"95",
"97",
"101",
"102",
"103"
] | [
"nonn",
"new"
] | 12 | 1 | 2 | [
"A000720",
"A001221",
"A001222",
"A044813",
"A048767",
"A055396",
"A056239",
"A061395",
"A112798",
"A140690",
"A181821",
"A239455",
"A305936",
"A329739",
"A335125",
"A351293",
"A351294",
"A351295",
"A351596",
"A381431",
"A381432",
"A381436",
"A381440",
"A381636",
"A381717",
"A381871",
"A382525",
"A382771",
"A382773",
"A382775",
"A382858",
"A382876",
"A382879",
"A382912",
"A382913",
"A382914",
"A382915"
] | null | Gus Wiseman, Apr 12 2025 | 2025-04-18T14:29:18 | oeisdata/seq/A382/A382913.seq | ad029ae6acecba3361d3d25f229d0f5e |
A382914 | Numbers k such that it is not possible to permute a multiset whose multiplicities are the prime indices of k so that the run-lengths are all equal. | [
"10",
"14",
"22",
"26",
"28",
"33",
"34",
"38",
"39",
"44",
"46",
"51",
"52",
"55",
"57",
"58",
"62",
"66",
"68",
"69",
"74",
"76",
"78",
"82",
"85",
"86",
"87",
"88",
"92",
"93",
"94",
"95",
"102",
"104",
"106",
"111",
"114",
"115",
"116",
"118",
"119",
"122",
"123",
"124",
"129",
"130",
"134",
"136",
"138",
"141",
"142",
"145",
"146",
"148",
"152",
"153",
"155",
"156"
] | [
"nonn"
] | 5 | 1 | 1 | [
"A000720",
"A000961",
"A001221",
"A001222",
"A003963",
"A044813",
"A048767",
"A056239",
"A112798",
"A140690",
"A164707",
"A181821",
"A304442",
"A305936",
"A328592",
"A329738",
"A329739",
"A335125",
"A335126",
"A335127",
"A351013",
"A351291",
"A351596",
"A353744",
"A353833",
"A382771",
"A382772",
"A382773",
"A382857",
"A382858",
"A382877",
"A382878",
"A382879",
"A382912",
"A382913",
"A382914",
"A382915"
] | null | Gus Wiseman, Apr 09 2025 | 2025-04-11T07:59:22 | oeisdata/seq/A382/A382914.seq | 8c9bf17808d6211f446c8cf3ca369123 |
A382915 | Number of integer partitions of n having no permutation with all equal run-lengths. | [
"0",
"0",
"0",
"0",
"0",
"1",
"2",
"4",
"4",
"9",
"11",
"18",
"21",
"34",
"41",
"55",
"69",
"98",
"120",
"160",
"189",
"249",
"309",
"396",
"472",
"605",
"734",
"913",
"1099",
"1371",
"1632",
"2021",
"2406",
"2937",
"3514",
"4251",
"5039",
"6101",
"7221",
"8646",
"10205",
"12209",
"14347",
"17086",
"20041",
"23713",
"27807",
"32803",
"38262",
"45043",
"52477",
"61471",
"71496"
] | [
"nonn",
"changed"
] | 11 | 0 | 7 | [
"A000009",
"A000041",
"A003242",
"A047966",
"A056239",
"A112798",
"A238279",
"A239455",
"A304442",
"A329738",
"A329739",
"A351201",
"A351290",
"A351293",
"A351294",
"A351295",
"A351596",
"A353744",
"A353833",
"A382773",
"A382857",
"A382879",
"A382914",
"A382915",
"A383013"
] | null | Gus Wiseman, Apr 12 2025 | 2025-04-26T11:28:02 | oeisdata/seq/A382/A382915.seq | 4f32a95d5626c5d094a06a238bc97ad5 |
A382916 | G.f. A(x) satisfies A(x) = 1/( 1 - x*A(x)^3 / (1-x)^2 ). | [
"1",
"1",
"6",
"41",
"316",
"2636",
"23192",
"211926",
"1992032",
"19138016",
"187091252",
"1855104372",
"18612229836",
"188601299149",
"1927443803738",
"19843158497163",
"205602235405524",
"2142401581747657",
"22436439910929038",
"236023405797017891",
"2492914862240934612",
"26426682321857813417"
] | [
"nonn"
] | 11 | 0 | 3 | [
"A349331",
"A382916",
"A382917",
"A382920"
] | null | Seiichi Manyama, Apr 08 2025 | 2025-04-09T07:28:59 | oeisdata/seq/A382/A382916.seq | 30d065856b72d4a37d7b9869823af9c0 |
A382917 | G.f. A(x) satisfies A(x) = 1/( 1 - x*A(x)^3 / (1-x)^3 ). | [
"1",
"1",
"7",
"52",
"432",
"3878",
"36694",
"360498",
"3642534",
"37613947",
"395204413",
"4211469308",
"45409525116",
"494500127617",
"5430864937915",
"60083846523038",
"669005596426438",
"7491245872785003",
"84305386452532885",
"953020276395635246",
"10816782722212619970",
"123218274878407738497"
] | [
"nonn"
] | 10 | 0 | 3 | [
"A349331",
"A382916",
"A382917",
"A382921"
] | null | Seiichi Manyama, Apr 08 2025 | 2025-04-09T07:28:35 | oeisdata/seq/A382/A382917.seq | 558c1f55eb25485f9b2e3e1d34638e08 |
A382918 | G.f. A(x) satisfies A(x) = 1/( 1 - x*A(x) / (1-x)^2 )^2. | [
"1",
"2",
"11",
"64",
"401",
"2652",
"18241",
"129216",
"936469",
"6911238",
"51764834",
"392494366",
"3006851913",
"23238830982",
"180974578418",
"1418728452902",
"11186978492689",
"88668723061112",
"706042492550773",
"5645331629000370",
"45307653034905824",
"364860349786846894",
"2947299389835541583"
] | [
"nonn"
] | 11 | 0 | 2 | [
"A006319",
"A366176",
"A382918",
"A382920"
] | null | Seiichi Manyama, Apr 08 2025 | 2025-04-09T07:28:23 | oeisdata/seq/A382/A382918.seq | cfed00daaebfe7baa9086d381e4234e1 |
A382919 | G.f. A(x) satisfies A(x) = 1/( 1 - x*A(x) / (1-x)^3 )^2. | [
"1",
"2",
"13",
"84",
"580",
"4216",
"31824",
"247168",
"1962800",
"15866016",
"130122304",
"1080101760",
"9057113472",
"76610188544",
"652895283200",
"5600752756224",
"48323092761344",
"419068973537792",
"3650909105378304",
"31937405800724480",
"280419948474447872",
"2470473454986891264"
] | [
"nonn"
] | 12 | 0 | 2 | [
"A213282",
"A360100",
"A382616",
"A382919",
"A382921"
] | null | Seiichi Manyama, Apr 08 2025 | 2025-04-09T07:28:48 | oeisdata/seq/A382/A382919.seq | 709ba99a24398506c50bfc5f105f932f |
A382920 | G.f. A(x) satisfies A(x) = 1/( 1 - x*A(x) / (1-x)^2 )^3. | [
"1",
"3",
"21",
"160",
"1320",
"11511",
"104451",
"976317",
"9337182",
"90937403",
"898861308",
"8994246132",
"90932043400",
"927452701605",
"9531607969788",
"98609173435172",
"1026121044859890",
"10733030463200814",
"112783955395845926",
"1190060614961391945",
"12604133970419399208",
"133945684546835994915"
] | [
"nonn"
] | 10 | 0 | 2 | [
"A006319",
"A382916",
"A382918",
"A382920"
] | null | Seiichi Manyama, Apr 08 2025 | 2025-04-09T14:16:14 | oeisdata/seq/A382/A382920.seq | 54c44f35ee5cf0a6407c41dd8f6b4ee0 |
A382921 | G.f. A(x) satisfies A(x) = 1/( 1 - x*A(x) / (1-x)^3 )^3. | [
"1",
"3",
"24",
"199",
"1776",
"16713",
"163429",
"1644852",
"16929576",
"177384877",
"1885842105",
"20292695751",
"220595817213",
"2418988309494",
"26726104358958",
"297226167487469",
"3324654200094495",
"37379224636055040",
"422182501323170275",
"4788001977121735326",
"54502930562354983641"
] | [
"nonn"
] | 11 | 0 | 2 | [
"A360100",
"A382615",
"A382917",
"A382919",
"A382921"
] | null | Seiichi Manyama, Apr 08 2025 | 2025-04-09T07:29:09 | oeisdata/seq/A382/A382921.seq | 1dd6d94cb82aeec1f36fa88fd16fad66 |
A382922 | Numbers k such that Fibonacci(k) is a Smith number. | [
"31",
"77",
"231",
"354",
"523",
"535",
"631",
"819",
"827",
"830",
"991",
"1234"
] | [
"nonn",
"base",
"more"
] | 18 | 1 | 1 | [
"A000045",
"A006753",
"A382922"
] | null | Shyam Sunder Gupta, Apr 08 2025 | 2025-04-13T16:15:45 | oeisdata/seq/A382/A382922.seq | 1440c8492c70c69cc5a5393c6bdd9356 |
A382923 | Square array A(n,k), n >= 0, k >= 0, read by downward antidiagonals: A(n,k) is the number of m-compositions of n with k zeros. | [
"1",
"0",
"1",
"0",
"2",
"3",
"0",
"3",
"5",
"7",
"0",
"4",
"13",
"16",
"16",
"0",
"5",
"14",
"33",
"40",
"35",
"0",
"6",
"29",
"70",
"105",
"100",
"75",
"0",
"7",
"27",
"88",
"207",
"292",
"244",
"159",
"0",
"8",
"51",
"152",
"336",
"604",
"758",
"576",
"334",
"0",
"9",
"44",
"206",
"588",
"1161",
"1749",
"1920",
"1329",
"696",
"0",
"10",
"79",
"300",
"882",
"2076",
"3685",
"4924",
"4802",
"3028",
"1442"
] | [
"nonn",
"easy",
"tabl",
"changed"
] | 15 | 0 | 5 | [
"A038207",
"A101509",
"A181331",
"A261780",
"A323429",
"A382923",
"A382924"
] | null | John Tyler Rascoe, Apr 09 2025 | 2025-04-14T07:39:26 | oeisdata/seq/A382/A382923.seq | 509ccf9ab9c773ac41a2634d9f2070a6 |
A382924 | Number of m-compositions of n with n zeros. | [
"1",
"2",
"13",
"70",
"336",
"2076",
"11091",
"65210",
"365661",
"2159354",
"11713047",
"71427504",
"392916687",
"2245186352",
"13527678851",
"73679458270",
"429472428457",
"2553994191220",
"14264421153074",
"80483620074092",
"489077890675807",
"2768919905996888",
"15394229582049408",
"91794448088043258"
] | [
"nonn"
] | 10 | 0 | 2 | [
"A038207",
"A101509",
"A181331",
"A261780",
"A323429",
"A382820",
"A382923",
"A382924"
] | null | John Tyler Rascoe, Apr 09 2025 | 2025-04-10T02:49:48 | oeisdata/seq/A382/A382924.seq | 785843b9c412ba7cefa70fc5717e5138 |
A382927 | Smallest beginning of a sequence of exactly n consecutive palindromic primes, all ending with the same digit. | [
"2",
"181",
"151",
"131",
"101",
"11",
"17471",
"16661",
"16561",
"16361",
"16061",
"15551",
"15451",
"14741",
"14341",
"13931",
"13831",
"13331",
"12821",
"12721",
"12421",
"11411",
"11311",
"10601",
"10501",
"10301",
"1884881",
"1883881",
"1881881",
"1880881",
"1879781",
"1878781",
"1876781",
"1865681",
"1856581",
"1853581",
"1851581"
] | [
"nonn",
"base",
"new"
] | 48 | 1 | 1 | [
"A002385",
"A054681",
"A382927"
] | null | Jean-Marc Rebert, Apr 13 2025 | 2025-04-19T16:45:04 | oeisdata/seq/A382/A382927.seq | 8c80eba391c175decd5e2bcb238bb1bd |
A382928 | Start with {1, x}, then at each step replace it with the set of all pairwise products and sums of its elements (an element can be paired with itself). a(n) gives the number of elements after n-th step. | [
"2",
"6",
"28",
"436",
"90385",
"4017112742"
] | [
"nonn",
"more",
"hard"
] | 28 | 0 | 1 | [
"A352969",
"A382928"
] | null | Bryle Morga, Apr 09 2025 | 2025-04-11T16:19:54 | oeisdata/seq/A382/A382928.seq | ab9ae75923c6a3ad74862883672f5fa2 |
A382929 | Smallest number k such that k + n + sigma(n) is a perfect number. | [
"4",
"1",
"21",
"17",
"17",
"10",
"13",
"5",
"6",
"0",
"5",
"456",
"1",
"458",
"457",
"449",
"461",
"439",
"457",
"434",
"443",
"438",
"449",
"412",
"440",
"428",
"429",
"412",
"437",
"394",
"433",
"401",
"415",
"408",
"413",
"369",
"421",
"398",
"401",
"366",
"413",
"358",
"409",
"368",
"373",
"378",
"401",
"324",
"390",
"353",
"373",
"346",
"389",
"322",
"369",
"320",
"359",
"348",
"377",
"268"
] | [
"nonn"
] | 57 | 1 | 1 | [
"A000396",
"A155085",
"A382506",
"A382929"
] | null | Leo Hennig, Apr 09 2025 | 2025-04-11T16:25:03 | oeisdata/seq/A382/A382929.seq | 8006ca084ff8b7fd964d8dc9b75e2b2e |
A382930 | a(n) is the smallest k such that A382506(k) + sigma(k) = A000396(n). | [
"1",
"4",
"16",
"180",
"2520",
"7207200"
] | [
"nonn",
"more",
"new"
] | 24 | 1 | 2 | [
"A002093",
"A002182",
"A382506",
"A382930"
] | null | Leo Hennig, Apr 09 2025 | 2025-04-24T23:25:03 | oeisdata/seq/A382/A382930.seq | 99958dedf9f6560c964c510acb288418 |
A382931 | Numbers k for which the Pythagorean triangle (A046083(k), A046084(k), A009000(k)) has an integer altitude. | [
"7",
"19",
"36",
"51",
"69",
"88",
"99",
"106",
"126",
"147",
"163",
"187",
"196",
"208",
"227",
"240",
"250",
"273",
"293",
"314",
"342",
"361",
"384",
"392",
"409",
"434",
"455",
"459",
"483",
"504",
"507",
"525",
"549",
"552",
"579",
"599",
"627",
"649",
"679",
"702",
"711",
"718",
"724",
"744",
"752",
"775",
"802",
"829",
"854",
"879",
"894",
"908",
"935",
"960"
] | [
"nonn",
"new"
] | 9 | 1 | 1 | [
"A009000",
"A046083",
"A046084",
"A382931",
"A382932"
] | null | Felix Huber, Apr 11 2025 | 2025-04-19T17:48:30 | oeisdata/seq/A382/A382931.seq | 140d6c509534d5b2324d81d48735c3ee |
A382932 | a(n) is the altitude of the Pythagorean triangle (A046083(A382931(n)), A046084(A382931(n)), A009000(A382931(n))). | [
"12",
"24",
"36",
"48",
"60",
"72",
"60",
"84",
"96",
"108",
"120",
"132",
"120",
"144",
"156",
"120",
"168",
"180",
"192",
"204",
"216",
"228",
"240",
"180",
"252",
"264",
"276",
"240",
"288",
"300",
"168",
"312",
"324",
"240",
"336",
"348",
"360",
"372",
"384",
"396",
"420",
"300",
"408",
"360",
"420",
"432",
"444",
"456",
"468",
"480",
"360",
"492",
"504",
"516"
] | [
"nonn",
"new"
] | 11 | 1 | 1 | [
"A008594",
"A009000",
"A046083",
"A046084",
"A382931",
"A382932"
] | null | Felix Huber, Apr 13 2025 | 2025-04-19T17:49:02 | oeisdata/seq/A382/A382932.seq | d343382a1522638f5ab62bfc61185d33 |
A382933 | Numbers k such that k, 2*m +- 3 and 3*m +- 2 are all semiprimes. | [
"451",
"707",
"871",
"1313",
"1537",
"1819",
"1921",
"1969",
"2155",
"2195",
"2533",
"2599",
"2885",
"2993",
"3265",
"3817",
"3883",
"3953",
"3997",
"4069",
"4105",
"4385",
"4555",
"4607",
"5599",
"5755",
"5771",
"6155",
"6415",
"6773",
"7157",
"7453",
"7979",
"8185",
"8213",
"8251",
"8321",
"8333",
"8399",
"8531",
"9055",
"9077",
"9167",
"9335",
"9647",
"9953",
"9977",
"10121",
"10537"
] | [
"nonn",
"new"
] | 13 | 1 | 1 | [
"A001358",
"A382933"
] | null | Zak Seidov and Robert Israel, Apr 15 2025 | 2025-04-17T09:51:25 | oeisdata/seq/A382/A382933.seq | 75705947a28a19cf7b981d26ab5e7d30 |
A382934 | a(n) = Sum_{k=0..n} binomial(n,k) * binomial(n+k,k) * binomial(n+2*k,k) * 2^(n-k). | [
"1",
"8",
"142",
"3188",
"79306",
"2091128",
"57251944",
"1609275536",
"46123258714",
"1341870616928",
"39505611952852",
"1174352843125976",
"35189447673190864",
"1061579548438995776",
"32210037668484980992",
"982173609216589910528",
"30079350892561552670554",
"924711257106480733093616",
"28524228913983070512002044"
] | [
"nonn",
"changed"
] | 10 | 0 | 2 | [
"A001850",
"A069835",
"A081798",
"A126086",
"A382934"
] | null | Ilya Gutkovskiy, Apr 09 2025 | 2025-04-17T04:28:38 | oeisdata/seq/A382/A382934.seq | 132a8fb8b5e1cdb0f2284247bbc60cc7 |
A382935 | Lexicographically earliest sequence of distinct nonnegative integers such that if a digit d in the digit stream (ignoring commas) is odd, the previous digit is > d. | [
"0",
"2",
"1",
"4",
"3",
"6",
"5",
"8",
"7",
"10",
"20",
"21",
"22",
"12",
"14",
"16",
"18",
"24",
"26",
"28",
"30",
"40",
"41",
"42",
"43",
"44",
"31",
"46",
"32",
"48",
"34",
"36",
"38",
"50",
"60",
"61",
"62",
"63",
"64",
"65",
"66",
"51",
"68",
"52",
"80",
"81",
"82",
"83",
"84",
"85",
"86",
"53",
"87",
"54",
"88",
"56",
"58",
"70",
"200",
"202",
"100",
"204",
"102",
"104",
"106",
"108",
"71",
"206",
"120",
"208"
] | [
"nonn",
"base",
"look",
"new"
] | 14 | 1 | 2 | [
"A342042",
"A342043",
"A342044",
"A342045",
"A382462",
"A382621",
"A382935",
"A382936",
"A382937",
"A382938"
] | null | Paolo Xausa, Apr 14 2025 | 2025-04-17T09:41:44 | oeisdata/seq/A382/A382935.seq | ba8a39bfa39ad34a5f12cd5ba83aa8dc |
A382936 | First differences of A382935. | [
"2",
"-1",
"3",
"-1",
"3",
"-1",
"3",
"-1",
"3",
"10",
"1",
"1",
"-10",
"2",
"2",
"2",
"6",
"2",
"2",
"2",
"10",
"1",
"1",
"1",
"1",
"-13",
"15",
"-14",
"16",
"-14",
"2",
"2",
"12",
"10",
"1",
"1",
"1",
"1",
"1",
"1",
"-15",
"17",
"-16",
"28",
"1",
"1",
"1",
"1",
"1",
"1",
"-33",
"34",
"-33",
"34",
"-32",
"2",
"12",
"130",
"2",
"-102",
"104",
"-102",
"2",
"2",
"2",
"-37",
"135",
"-86",
"88",
"-136"
] | [
"sign",
"base",
"new"
] | 5 | 1 | 1 | [
"A382935",
"A382936"
] | null | Paolo Xausa, Apr 14 2025 | 2025-04-17T09:46:01 | oeisdata/seq/A382/A382936.seq | 38dab52289d3239248e18128016886a4 |
A382937 | Positive integers that contain an odd digit d immediately preceded by a digit <= d. | [
"11",
"13",
"15",
"17",
"19",
"23",
"25",
"27",
"29",
"33",
"35",
"37",
"39",
"45",
"47",
"49",
"55",
"57",
"59",
"67",
"69",
"77",
"79",
"89",
"99",
"101",
"103",
"105",
"107",
"109",
"110",
"111",
"112",
"113",
"114",
"115",
"116",
"117",
"118",
"119",
"123",
"125",
"127",
"129",
"130",
"131",
"132",
"133",
"134",
"135",
"136",
"137",
"138",
"139",
"145",
"147",
"149",
"150"
] | [
"nonn",
"base",
"easy",
"new"
] | 11 | 1 | 1 | [
"A347298",
"A382464",
"A382623",
"A382937",
"A382938"
] | null | Paolo Xausa, Apr 14 2025 | 2025-04-21T10:46:05 | oeisdata/seq/A382/A382937.seq | a0191d664aaa62c86a94ce450f8013b3 |
A382938 | Nonnegative integers such that every odd digit except the leftmost is immediately preceded by a larger digit. | [
"0",
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"12",
"14",
"16",
"18",
"20",
"21",
"22",
"24",
"26",
"28",
"30",
"31",
"32",
"34",
"36",
"38",
"40",
"41",
"42",
"43",
"44",
"46",
"48",
"50",
"51",
"52",
"53",
"54",
"56",
"58",
"60",
"61",
"62",
"63",
"64",
"65",
"66",
"68",
"70",
"71",
"72",
"73",
"74",
"75",
"76",
"78",
"80",
"81",
"82",
"83",
"84",
"85",
"86",
"87",
"88",
"90",
"91",
"92",
"93",
"94",
"95"
] | [
"nonn",
"base",
"easy",
"new"
] | 14 | 1 | 3 | [
"A377912",
"A382465",
"A382624",
"A382937",
"A382938"
] | null | Paolo Xausa, Apr 14 2025 | 2025-04-21T10:46:01 | oeisdata/seq/A382/A382938.seq | 2ac093f6a8493ec6a6519beb48cfdcd8 |
A382939 | Split A382935 into runs of increasing elements. a(n) is the length of the n-th run. | [
"2",
"2",
"2",
"2",
"5",
"13",
"2",
"2",
"11",
"2",
"8",
"2",
"2",
"5",
"2",
"4",
"2",
"2",
"4",
"4",
"3",
"2",
"5",
"3",
"5",
"6",
"3",
"2",
"7",
"30",
"2",
"5",
"4",
"5",
"2",
"5",
"5",
"2",
"5",
"2",
"5",
"6",
"2",
"2",
"10",
"2",
"2",
"2",
"19",
"2",
"5",
"4",
"6",
"2",
"8",
"2",
"7",
"2",
"9",
"2",
"8",
"2",
"10",
"2",
"2",
"5",
"2",
"7",
"2",
"6",
"2",
"6",
"2",
"9",
"2",
"7",
"2",
"8",
"2",
"12",
"10",
"4",
"4",
"3",
"2",
"4",
"3"
] | [
"nonn",
"base",
"new"
] | 6 | 1 | 1 | [
"A382935",
"A382939"
] | null | Paolo Xausa, Apr 14 2025 | 2025-04-17T09:46:41 | oeisdata/seq/A382/A382939.seq | 995259fab740c92964b543d3694681bb |
A382945 | a(n) is the least positive integer k having a divisor d such that k/d is not a power of n and the base n expansions of k and d, possibly with leading zeros, have, up to order, the same digits. | [
"9",
"28",
"18",
"16",
"40",
"36",
"42",
"64",
"105",
"45",
"154",
"105",
"130",
"168",
"260",
"120",
"340",
"96",
"266",
"275",
"495",
"231",
"460",
"351",
"450",
"273",
"792",
"175",
"928",
"280",
"682",
"1024",
"308",
"459",
"1302",
"741",
"962",
"665",
"1612",
"288",
"1804",
"560",
"1290",
"1265",
"2139",
"1035",
"1974",
"540",
"952",
"715",
"2720",
"585"
] | [
"nonn",
"base",
"new"
] | 13 | 2 | 1 | [
"A096092",
"A382945",
"A382946"
] | null | Rémy Sigrist, Apr 09 2025 | 2025-04-14T09:07:52 | oeisdata/seq/A382/A382945.seq | dfbe8009f38540c057d052eaeb8ad66e |
A382946 | a(n) is the least positive integer k having a proper divisor d such that the base n expansions of k and d, without leading zeros, have, up to order, the same digits, or a(n) = -1 if no such k exists. | [
"-1",
"64",
"36",
"16",
"700",
"36",
"42",
"64",
"3105",
"45",
"594",
"105",
"130",
"168",
"945",
"120",
"1666",
"96",
"266",
"275",
"2457",
"231",
"460",
"351",
"450",
"273",
"7938",
"175",
"7714",
"280",
"682",
"1024",
"308",
"459",
"7525",
"741",
"962",
"665",
"27300",
"288",
"17097",
"560",
"1290",
"1265",
"18540",
"1035",
"1974",
"540",
"952",
"715"
] | [
"sign",
"base",
"new"
] | 11 | 2 | 2 | [
"A023094",
"A090056",
"A382945",
"A382946"
] | null | Rémy Sigrist, Apr 09 2025 | 2025-04-14T09:07:47 | oeisdata/seq/A382/A382946.seq | ac29d90871d7be82d8c658e929185d1d |
A382947 | a(n) = [(x*y)^n] Product_{k>=1} 1 / (1 - x^k - y^k)^k. | [
"1",
"2",
"16",
"78",
"426",
"1940",
"9300",
"40530",
"177940",
"749788",
"3137352",
"12865488",
"52425432",
"211336062",
"848099898",
"3385259588",
"13475690578",
"53504526568",
"212146065506",
"840218845230",
"3325872415258",
"13159945010474",
"52064974607244",
"205979887425498",
"814961759722486"
] | [
"nonn"
] | 12 | 0 | 2 | [
"A000219",
"A322211",
"A382947"
] | null | Ilya Gutkovskiy, Apr 09 2025 | 2025-04-11T10:38:18 | oeisdata/seq/A382/A382947.seq | bf647fe2ae14c25505e26d0976903c16 |
A382948 | a(n) = [(x*y)^n] Product_{k>=1} (1 + x^k + y^k)^k. | [
"1",
"0",
"2",
"18",
"50",
"190",
"536",
"1644",
"4432",
"12876",
"33560",
"89118",
"227734",
"572578",
"1409602",
"3424996",
"8150818",
"19152532",
"44455758",
"101565172",
"229712612",
"513207144",
"1134650028",
"2481664146",
"5379539720",
"11545719858",
"24574548632",
"51855844492",
"108559596182"
] | [
"nonn"
] | 9 | 0 | 3 | [
"A026007",
"A365662",
"A382948"
] | null | Ilya Gutkovskiy, Apr 09 2025 | 2025-04-11T10:22:39 | oeisdata/seq/A382/A382948.seq | 9d16a45157b608a948daacd6e45e9640 |
A382949 | a(n) = [(x*y)^n] Product_{k>=1} 1 / (1 - x^k - y^k)^n. | [
"1",
"2",
"48",
"1190",
"33648",
"996292",
"30626316",
"965163166",
"30995087312",
"1009925740946",
"33289934968618",
"1107728567917028",
"37149902553751260",
"1254165186821008126",
"42580296599191705276",
"1452739684287637542640",
"49776378699192072523920",
"1711962807156690517057454"
] | [
"nonn"
] | 11 | 0 | 2 | [
"A008485",
"A322211",
"A382949"
] | null | Ilya Gutkovskiy, Apr 09 2025 | 2025-04-10T07:24:12 | oeisdata/seq/A382/A382949.seq | 00817249902abadf2c79f555d06d3fbc |
A382950 | a(n) = [(x*y)^n] Product_{k>=1} (1 + x^k + y^k)^n. | [
"1",
"0",
"6",
"102",
"1342",
"20030",
"306852",
"4783534",
"75873934",
"1220259306",
"19837742836",
"325375411438",
"5376744428812",
"89412908941096",
"1494992390431000",
"25114561595879252",
"423649216254936110",
"7172523302899053230",
"121828099966104173892",
"2075321708914763792740"
] | [
"nonn"
] | 10 | 0 | 3 | [
"A270913",
"A365662",
"A382950"
] | null | Ilya Gutkovskiy, Apr 09 2025 | 2025-04-10T06:46:01 | oeisdata/seq/A382/A382950.seq | f2d9259755daf74488881d7dc2fe865c |
A382951 | Sequence of positive integers with no repetitions and, when put in a spiral, all lines (straight or diagonal) are pairwise coprime. | [
"1",
"2",
"3",
"5",
"4",
"7",
"11",
"9",
"13",
"17",
"19",
"23",
"8",
"29",
"31",
"27",
"25",
"37",
"39",
"16",
"41",
"43",
"14",
"47",
"33",
"53",
"35",
"59",
"61",
"67",
"71",
"73",
"49",
"79",
"83",
"89",
"97",
"101",
"103",
"55",
"107",
"109",
"91",
"113",
"85",
"127",
"131",
"137",
"139",
"121",
"149",
"151",
"157",
"133",
"163",
"65",
"167",
"51",
"125",
"173",
"143",
"179",
"181",
"191",
"161",
"22",
"193",
"169",
"197",
"199",
"211"
] | [
"nonn",
"new"
] | 39 | 1 | 2 | [
"A336349",
"A382951"
] | null | Bryle Morga, Apr 09 2025 | 2025-04-16T07:26:59 | oeisdata/seq/A382/A382951.seq | 95054b0e7a0b8ad78b2120fdc1f05634 |
A382952 | Maximum number of intercalates in an extended self-orthogonal diagonal Latin square of order n. | [
"0",
"0",
"0",
"12",
"0",
"0",
"18",
"112",
"72",
"53"
] | [
"nonn",
"more",
"hard",
"new"
] | 16 | 1 | 4 | [
"A092237",
"A307164",
"A309210",
"A309598",
"A309599",
"A360223",
"A382952",
"A382957"
] | null | Eduard I. Vatutin, Apr 09 2025 | 2025-04-23T18:14:42 | oeisdata/seq/A382/A382952.seq | 304a30f45ad89827ccf394a6948defa5 |
A382953 | Numbers with at least one factorization for which the factors can be partitioned into 2 or more distinct subsets with equal sums. | [
"16",
"30",
"48",
"54",
"64",
"70",
"72",
"84",
"96",
"120",
"126",
"128",
"144",
"160",
"162",
"180",
"192",
"198",
"210",
"216",
"240",
"243",
"250",
"252",
"256",
"264",
"270",
"280",
"286",
"288",
"300",
"308",
"320",
"324",
"330",
"336",
"360",
"378",
"384",
"390",
"396",
"400",
"420",
"432",
"440",
"448",
"462",
"468",
"480",
"486",
"495",
"504",
"510",
"512"
] | [
"nonn"
] | 12 | 1 | 1 | [
"A083207",
"A255265",
"A322657",
"A382953"
] | null | Charles L. Hohn, Apr 09 2025 | 2025-04-12T12:46:37 | oeisdata/seq/A382/A382953.seq | 7270fb4c7e60b31b9a4786bb2a24fe57 |
A382954 | Number of ways to partition distinct prime numbers into three disjoint sets such that the sum of each set equals n. | [
"1",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"1",
"3",
"2",
"8",
"1",
"1",
"4",
"0",
"14",
"9",
"1",
"4",
"7",
"16",
"26",
"31",
"17",
"3",
"19",
"39",
"54",
"20",
"62",
"9",
"41",
"96",
"89",
"62",
"66",
"34",
"59",
"197",
"241",
"289",
"69",
"124",
"184",
"133",
"481",
"440",
"148",
"225",
"394",
"709",
"808",
"984",
"555",
"414",
"799"
] | [
"nonn"
] | 16 | 0 | 25 | [
"A000607",
"A258281",
"A382871",
"A382954"
] | null | Seiichi Manyama, Apr 10 2025 | 2025-04-10T08:34:46 | oeisdata/seq/A382/A382954.seq | 5ef94774a440c7c723fbabe6ae4977a4 |
A382955 | Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = [x^n * y^k] Product_{p prime} (1 + x^p + y^p). | [
"1",
"0",
"0",
"1",
"0",
"1",
"1",
"0",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"2",
"0",
"1",
"1",
"0",
"2",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"1",
"0",
"0",
"1",
"0",
"1",
"0",
"0",
"1",
"1",
"0",
"1",
"0",
"0",
"0",
"0",
"1",
"0",
"1",
"2",
"0",
"1",
"2",
"0",
"2",
"0",
"2",
"1",
"0",
"2",
"1",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"0",
"1",
"2",
"0",
"1",
"1",
"0",
"2",
"0",
"2",
"0",
"1",
"1",
"0",
"2"
] | [
"nonn",
"tabl"
] | 14 | 0 | 16 | [
"A000004",
"A000586",
"A284593",
"A382871",
"A382955",
"A382956"
] | null | Seiichi Manyama, Apr 10 2025 | 2025-04-10T06:48:19 | oeisdata/seq/A382/A382955.seq | 85e0ce7dd9096b122417c73c7a55429a |
A382956 | Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = [x^n * y^k] Product_{p prime} 1/(1 - x^p - y^p). | [
"1",
"0",
"0",
"1",
"0",
"1",
"1",
"0",
"0",
"1",
"1",
"0",
"2",
"0",
"1",
"2",
"0",
"1",
"1",
"0",
"2",
"2",
"0",
"3",
"2",
"3",
"0",
"2",
"3",
"0",
"3",
"1",
"1",
"3",
"0",
"3",
"3",
"0",
"5",
"3",
"6",
"3",
"5",
"0",
"3",
"4",
"0",
"6",
"4",
"4",
"4",
"4",
"6",
"0",
"4",
"5",
"0",
"8",
"4",
"11",
"8",
"11",
"4",
"8",
"0",
"5",
"6",
"0",
"10",
"6",
"10",
"9",
"9",
"10",
"6",
"10",
"0",
"6",
"7",
"0",
"13",
"8",
"19",
"13",
"28",
"13",
"19",
"8",
"13",
"0",
"7"
] | [
"nonn",
"tabl"
] | 12 | 0 | 13 | [
"A000004",
"A000607",
"A322210",
"A382955",
"A382956"
] | null | Seiichi Manyama, Apr 10 2025 | 2025-04-10T06:48:29 | oeisdata/seq/A382/A382956.seq | a69c1b807a1032848d34cf7dcb3aa366 |
A382957 | a(n) is the number of distinct numbers of intercalates extended self-orthogonal diagonal Latin squares of order n. | [
"1",
"0",
"0",
"1",
"1",
"0",
"3",
"8",
"52",
"45"
] | [
"nonn",
"more",
"hard",
"new"
] | 4 | 1 | 7 | [
"A309210",
"A309598",
"A309599",
"A329685",
"A345760",
"A382952",
"A382957"
] | null | Eduard I. Vatutin, Apr 10 2025 | 2025-04-16T19:34:51 | oeisdata/seq/A382/A382957.seq | 628cc75d6df9b6d5fbb31856da4853d8 |
A382958 | a(n) = (n!)^2 * [(x*y)^n] Product_{k>=1} 1 / (1 - (x^k + y^k)/k!). | [
"1",
"2",
"30",
"920",
"53078",
"4828892",
"643086588",
"117718532696",
"28378716172822",
"8713799596723484",
"3320414836230009080",
"1537509304647364575716",
"850310874146059999520372",
"553587598414859641796343780",
"419087377790397643526857611312",
"365040505934072220586791778761920"
] | [
"nonn",
"changed"
] | 12 | 0 | 2 | [
"A005651",
"A322211",
"A382958"
] | null | Ilya Gutkovskiy, Apr 10 2025 | 2025-04-25T06:34:24 | oeisdata/seq/A382/A382958.seq | 4901483577627f3c1de94b2fafc98567 |
A382959 | a(n) = (n!)^2 * [(x*y)^n] Product_{k>=1} (1 + (x^k + y^k)/k!). | [
"1",
"0",
"0",
"6",
"8",
"130",
"342",
"2590",
"21240",
"167730",
"1874930",
"46128610",
"417338462",
"5163377570",
"542567363366",
"3984766703746",
"42736508056760",
"681324935577810",
"127138303030260258",
"1011227775808000450",
"14280379156264610778",
"276342548314653322270",
"12566141342987866203746"
] | [
"nonn",
"changed"
] | 11 | 0 | 4 | [
"A007837",
"A108796",
"A365662",
"A382959"
] | null | Ilya Gutkovskiy, Apr 10 2025 | 2025-04-24T05:59:00 | oeisdata/seq/A382/A382959.seq | 2c5962c50b8322320784d8f657c33f93 |
A382960 | Numbers k such that k < A053669(k)^2 * A380539(k)^2, i.e., k < A382767(k). | [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11",
"12",
"13",
"14",
"15",
"16",
"17",
"18",
"19",
"20",
"21",
"22",
"23",
"24",
"25",
"26",
"27",
"28",
"29",
"30",
"31",
"32",
"33",
"34",
"35",
"36",
"38",
"39",
"40",
"42",
"44",
"45",
"46",
"48",
"50",
"51",
"52",
"54",
"56",
"57",
"58",
"60",
"62",
"63",
"64",
"66",
"68",
"69",
"70",
"72",
"74",
"75",
"76",
"78",
"80",
"81",
"82",
"84"
] | [
"nonn",
"easy",
"fini",
"full",
"new"
] | 22 | 1 | 2 | [
"A048597",
"A051250",
"A053669",
"A286708",
"A380539",
"A382659",
"A382767",
"A382960"
] | null | Michael De Vlieger, Apr 14 2025 | 2025-04-19T18:06:51 | oeisdata/seq/A382/A382960.seq | 470f129d06830fbfb95043b1ce2e89ad |
A382961 | A sequence constructed so that the probability of occurrence of integer i > 0 matches the logarithmic distribution for parameter value 1/2, 1/(log(2)*(2^i)*i). | [
"1",
"1",
"2",
"1",
"1",
"3",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"4",
"1",
"1",
"2",
"1",
"1",
"1",
"3",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"5",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"3",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"3",
"1",
"2",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"4",
"1",
"1",
"2",
"1",
"1",
"1",
"3",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"3",
"1",
"1",
"2",
"1",
"1",
"1",
"6",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"3",
"1",
"2",
"1",
"1",
"1",
"4",
"1",
"1",
"2",
"1",
"1",
"1",
"2"
] | [
"nonn",
"new"
] | 14 | 1 | 3 | [
"A381617",
"A381898",
"A381900",
"A382961",
"A383238"
] | null | Jwalin Bhatt, Apr 10 2025 | 2025-04-28T00:03:55 | oeisdata/seq/A382/A382961.seq | d143bce2e3b8f1b9c3cbf48f6074a319 |
A382962 | Number of symmetric ternary maps f : S X S X S -> S on a set S of n elements which can be represented as a superposition of binary maps * : S X S -> S. | [
"1",
"5",
"48",
"831",
"21320",
"772422"
] | [
"nonn",
"hard",
"more",
"changed"
] | 18 | 1 | 2 | [
"A283840",
"A283841",
"A382962"
] | null | Bert Dobbelaere, Apr 10 2025 | 2025-04-25T20:41:06 | oeisdata/seq/A382/A382962.seq | 5a2d99ea44bf7008828ce5b47a2aca92 |
A382963 | Prime index gaps between consecutive full reptend primes. | [
"3",
"1",
"1",
"1",
"5",
"2",
"1",
"7",
"4",
"1",
"2",
"3",
"4",
"2",
"1",
"2",
"4",
"2",
"1",
"4",
"1",
"1",
"8",
"3",
"5",
"2",
"1",
"1",
"4",
"3",
"5",
"4",
"1",
"1",
"1",
"1",
"3",
"5",
"1",
"2",
"6",
"4",
"2",
"6",
"1",
"2",
"3",
"9",
"1",
"1",
"5",
"2",
"4",
"5",
"1",
"2",
"2",
"1",
"1",
"5",
"1",
"2",
"3",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"5",
"2",
"1",
"2",
"3",
"1",
"1",
"4",
"5",
"1",
"1",
"1",
"4",
"2",
"2",
"5",
"1"
] | [
"nonn",
"easy"
] | 18 | 1 | 1 | [
"A000040",
"A000720",
"A001913",
"A060257",
"A382963"
] | null | Kyle Wyonch, Apr 10 2025 | 2025-04-10T17:05:22 | oeisdata/seq/A382/A382963.seq | 893134ec4dbe0aaa7a8de1be1e6fee3c |
A382965 | The number of non-unitary prime divisors of the n-th cubefree number that is not squarefree. | [
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1"
] | [
"nonn",
"easy"
] | 9 | 1 | 8 | [
"A002117",
"A013661",
"A046660",
"A056170",
"A067259",
"A369427",
"A376366",
"A382965",
"A382966",
"A382968"
] | null | Amiram Eldar, Apr 10 2025 | 2025-04-11T08:46:18 | oeisdata/seq/A382/A382965.seq | c78fbf7a5096e555d5ed7409bff8c788 |
A382966 | The number of non-unitary prime divisors of the n-th biquadratefree number that is not cubefree. | [
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1"
] | [
"nonn",
"easy"
] | 7 | 1 | 7 | [
"A002117",
"A013662",
"A056170",
"A375072",
"A376366",
"A382425",
"A382965",
"A382966",
"A382968"
] | null | Amiram Eldar, Apr 10 2025 | 2025-04-11T08:46:32 | oeisdata/seq/A382/A382966.seq | 88f7501339cdcc547445374260fb4885 |
A382967 | Biquadratefree numbers (A046100) that are not squarefree (A005117). | [
"4",
"8",
"9",
"12",
"18",
"20",
"24",
"25",
"27",
"28",
"36",
"40",
"44",
"45",
"49",
"50",
"52",
"54",
"56",
"60",
"63",
"68",
"72",
"75",
"76",
"84",
"88",
"90",
"92",
"98",
"99",
"100",
"104",
"108",
"116",
"117",
"120",
"121",
"124",
"125",
"126",
"132",
"135",
"136",
"140",
"147",
"148",
"150",
"152",
"153",
"156",
"164",
"168",
"169",
"171",
"172",
"175",
"180",
"184"
] | [
"nonn",
"easy",
"changed"
] | 21 | 1 | 1 | [
"A004709",
"A005117",
"A013929",
"A046100",
"A051903",
"A059956",
"A067259",
"A215267",
"A252849",
"A375072",
"A375229",
"A382967"
] | null | Amiram Eldar, Apr 10 2025 | 2025-04-22T06:31:46 | oeisdata/seq/A382/A382967.seq | 5456be5784684cfde9bf001f0f738e30 |
A382968 | The number of non-unitary prime divisors of the n-th biquadratefree number that is not squarefree. | [
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"2",
"1",
"1",
"1",
"2",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1"
] | [
"nonn",
"easy"
] | 7 | 1 | 11 | [
"A056170",
"A382425",
"A382965",
"A382966",
"A382967",
"A382968"
] | null | Amiram Eldar, Apr 10 2025 | 2025-04-11T08:16:10 | oeisdata/seq/A382/A382968.seq | 5768891038ab5972b52b5494dfd624bd |
A382969 | The excess of the n-th noncubefree number. | [
"2",
"3",
"2",
"2",
"4",
"2",
"3",
"2",
"2",
"5",
"3",
"3",
"3",
"2",
"4",
"2",
"3",
"3",
"2",
"2",
"6",
"2",
"2",
"4",
"2",
"4",
"3",
"2",
"3",
"2",
"2",
"5",
"3",
"3",
"4",
"4",
"2",
"3",
"4",
"2",
"2",
"7",
"2",
"2",
"3",
"2",
"5",
"2",
"2",
"3",
"2",
"5",
"4",
"2",
"3",
"2",
"2",
"2",
"4",
"3",
"3",
"2",
"2",
"2",
"6",
"3",
"4",
"3",
"2",
"4",
"2",
"5",
"2",
"5",
"2",
"2",
"3",
"2",
"4",
"4",
"2",
"3",
"3",
"3",
"8",
"2",
"2"
] | [
"nonn",
"easy",
"changed"
] | 11 | 1 | 1 | [
"A002117",
"A046099",
"A046660",
"A136141",
"A275699",
"A376366",
"A382969"
] | null | Amiram Eldar, Apr 10 2025 | 2025-04-14T06:18:10 | oeisdata/seq/A382/A382969.seq | a1e9d19a564a6d129531c300574a1b95 |
A382970 | Numbers k such that {k, k+2, k+6, k+8, k+90, k+92, k+96, k+98} are all prime. | [
"11",
"101",
"15641",
"3512981",
"6655541",
"20769311",
"26919791",
"41487071",
"71541641",
"160471601",
"189425981",
"236531921",
"338030591",
"409952351",
"423685721",
"431343461",
"518137091",
"543062621",
"588273221",
"637272191",
"639387311",
"647851571",
"705497951",
"726391571",
"843404201",
"895161341",
"958438751",
"960813851",
"964812461",
"985123961"
] | [
"nonn",
"new"
] | 8 | 1 | 1 | [
"A007530",
"A059925",
"A128467",
"A382970"
] | null | David Mellinger, Apr 10 2025 | 2025-04-18T17:41:34 | oeisdata/seq/A382/A382970.seq | a376b6fff94bdf586db28a569c99f02b |
A382971 | Population of elementary triangular automaton rule 146 at generation n, starting from a lone 1 cell at generation 0. | [
"1",
"4",
"7",
"13",
"7",
"28",
"25",
"46",
"13",
"46",
"43",
"79",
"49",
"133",
"73",
"160",
"55",
"109",
"91",
"211",
"73",
"238",
"199",
"337",
"133",
"343",
"187",
"388",
"211",
"523",
"277",
"607",
"205",
"478",
"241",
"559",
"259",
"679",
"361",
"748",
"379",
"805",
"493",
"967",
"523",
"1042",
"709",
"1372",
"391",
"976",
"709",
"1501",
"649",
"1612",
"895"
] | [
"nonn",
"new"
] | 7 | 0 | 2 | [
"A372581",
"A380012",
"A380670",
"A381734",
"A382971",
"A382972",
"A383028"
] | null | Paul Cousin, Apr 10 2025 | 2025-04-18T21:38:45 | oeisdata/seq/A382/A382971.seq | e58209bcddcf74a0e3010753bb07b4a6 |
A382972 | Second center column of elementary triangular automaton rule 146, starting from a lone 1 cell. | [
"0",
"1",
"0",
"0",
"0",
"1",
"0",
"1",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"1",
"0",
"1",
"0",
"0",
"0",
"1",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"0",
"0",
"0",
"0",
"1",
"0",
"1",
"0",
"1",
"0",
"0",
"0",
"0",
"0"
] | [
"nonn",
"new"
] | 7 | 0 | null | [
"A374413",
"A374769",
"A380172",
"A382971",
"A382972",
"A383028"
] | null | Paul Cousin, Apr 10 2025 | 2025-04-18T21:32:01 | oeisdata/seq/A382/A382972.seq | bb6de3b88eaa9988f633f398819ac513 |
A382974 | Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = [x^n * y^k] Product_{j>=1} 1/(1 - x^j + y^j). | [
"1",
"-1",
"1",
"0",
"-2",
"2",
"-1",
"2",
"-4",
"3",
"1",
"-3",
"4",
"-7",
"5",
"-1",
"4",
"-8",
"10",
"-12",
"7",
"1",
"-5",
"14",
"-20",
"18",
"-19",
"11",
"-1",
"6",
"-18",
"34",
"-40",
"34",
"-30",
"15",
"2",
"-7",
"22",
"-51",
"78",
"-77",
"56",
"-45",
"22",
"-2",
"9",
"-30",
"75",
"-127",
"157",
"-139",
"94",
"-67",
"30",
"2",
"-11",
"42",
"-105",
"196",
"-282",
"306",
"-239",
"146",
"-97",
"42"
] | [
"sign",
"tabl"
] | 12 | 0 | 5 | [
"A000007",
"A000041",
"A000070",
"A081362",
"A304631",
"A322210",
"A382974",
"A382979"
] | null | Seiichi Manyama, Apr 11 2025 | 2025-04-11T07:55:39 | oeisdata/seq/A382/A382974.seq | 19c42e81c7f07bc583dcacb1401ccf19 |
A382975 | Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = [x^n * y^k] Product_{j>=1} (1 + x^j - y^j). | [
"1",
"-1",
"1",
"-1",
"0",
"1",
"0",
"-1",
"-1",
"2",
"0",
"-1",
"0",
"-1",
"2",
"1",
"-1",
"-1",
"-1",
"-1",
"3",
"0",
"0",
"0",
"0",
"-2",
"-2",
"4",
"1",
"0",
"0",
"-2",
"0",
"-2",
"-2",
"5",
"0",
"1",
"0",
"-1",
"0",
"-1",
"-2",
"-3",
"6",
"0",
"1",
"1",
"0",
"-1",
"-1",
"-2",
"-3",
"-3",
"8",
"0",
"1",
"0",
"0",
"-1",
"2",
"-1",
"-2",
"-4",
"-5",
"10",
"0",
"1",
"1",
"0",
"1",
"-2",
"0",
"-1",
"-2",
"-5",
"-5",
"12"
] | [
"sign",
"tabl"
] | 14 | 0 | 10 | [
"A000007",
"A000009",
"A010815",
"A015744",
"A025147",
"A078616",
"A284593",
"A297054",
"A382975",
"A382980"
] | null | Seiichi Manyama, Apr 11 2025 | 2025-04-11T07:55:33 | oeisdata/seq/A382/A382975.seq | 70cec0de05021ad1ffc80af43a5784a6 |
A382976 | Expansion of Product_{k>=1} (1 + (2^k + 1) * x^k). | [
"1",
"3",
"5",
"24",
"44",
"129",
"384",
"897",
"2220",
"5706",
"15268",
"35178",
"89829",
"212982",
"526222",
"1294263",
"3087570",
"7300896",
"17726100",
"41705904",
"98782950",
"236059794",
"551697495",
"1293417672",
"3033232130",
"7081297146",
"16430673765",
"38347412562",
"88762751808",
"204970377366",
"473719894598"
] | [
"nonn"
] | 22 | 0 | 2 | [
"A000051",
"A079555",
"A266964",
"A284593",
"A322199",
"A382976",
"A382977",
"A382978"
] | null | Seiichi Manyama, Apr 11 2025 | 2025-04-11T11:16:15 | oeisdata/seq/A382/A382976.seq | 6a46c35486e30dc6887a78c1ee92a8fb |
A382977 | Expansion of Product_{k>=1} 1/(1 - (2^k - 1) * x^k). | [
"1",
"1",
"4",
"11",
"35",
"87",
"271",
"659",
"1908",
"4832",
"13132",
"32688",
"89109",
"218385",
"571489",
"1427388",
"3652877",
"8980805",
"22858201",
"55822728",
"140065621",
"342001192",
"845707856",
"2052802367",
"5057431745",
"12197383588",
"29738238996",
"71604414162",
"173406091548",
"415167136507",
"1000881376700"
] | [
"nonn"
] | 21 | 0 | 3 | [
"A000225",
"A266964",
"A322199",
"A382976",
"A382977",
"A382978"
] | null | Seiichi Manyama, Apr 11 2025 | 2025-04-13T16:21:32 | oeisdata/seq/A382/A382977.seq | d238348afa8d26be9290ad24941fb2be |
A382978 | Expansion of Product_{k>=1} (1 + (2^k - 1) * x^k). | [
"1",
"1",
"3",
"10",
"22",
"67",
"160",
"433",
"986",
"2774",
"6386",
"16214",
"39201",
"95868",
"229644",
"569707",
"1324730",
"3186326",
"7664378",
"17955006",
"42497434",
"100710158",
"235492595",
"549267552",
"1288847672",
"2990756088",
"6958113345",
"16148883002",
"37286262238",
"85880711282",
"198840926982",
"454980392570"
] | [
"nonn",
"changed"
] | 23 | 0 | 3 | [
"A000225",
"A048651",
"A266964",
"A322199",
"A382976",
"A382977",
"A382978"
] | null | Seiichi Manyama, Apr 11 2025 | 2025-04-14T07:38:54 | oeisdata/seq/A382/A382978.seq | a936808aa6ddca32d17b312b5c30079e |
A382979 | a(n) = [(x*y)^n] Product_{k>=1} 1/(1 - x^k + y^k). | [
"1",
"-2",
"4",
"-20",
"78",
"-282",
"1048",
"-4014",
"15456",
"-59224",
"227646",
"-879694",
"3407730",
"-13219372",
"51375286",
"-200021556",
"779870542",
"-3044448644",
"11898709560",
"-46553635346",
"182315752476",
"-714619687038",
"2803342734160",
"-11005274516610",
"43233909672938",
"-169951684067602",
"668474115081988"
] | [
"sign"
] | 15 | 0 | 2 | [
"A100221",
"A322211",
"A382974",
"A382979"
] | null | Seiichi Manyama, Apr 11 2025 | 2025-04-13T13:39:43 | oeisdata/seq/A382/A382979.seq | 8b1491e98bbe49c23c9a8f581161e9c1 |
A382980 | a(n) = [(x*y)^n] Product_{k>=1} (1 + x^k - y^k). | [
"1",
"0",
"0",
"0",
"0",
"2",
"0",
"4",
"2",
"6",
"4",
"10",
"6",
"14",
"10",
"14",
"10",
"20",
"6",
"22",
"2",
"10",
"14",
"16",
"-32",
"14",
"6",
"-26",
"-20",
"12",
"-56",
"28",
"-2",
"-38",
"96",
"56",
"-38",
"200",
"298",
"82",
"338",
"460",
"446",
"666",
"852",
"456",
"1580",
"1172",
"1048",
"1608",
"2426",
"1236",
"2810",
"2222",
"2824",
"2066",
"3716",
"1612",
"5498"
] | [
"sign",
"changed"
] | 17 | 0 | 6 | [
"A365662",
"A382975",
"A382980"
] | null | Seiichi Manyama, Apr 11 2025 | 2025-04-14T17:32:54 | oeisdata/seq/A382/A382980.seq | cfbaa8b8b1b923ca8e4d83525bb2327f |
A382981 | The smallest n-digit prime that turns composite at each step as its digits are successively appended, starting from the last. | [
"2",
"11",
"101",
"1019",
"10007",
"100043",
"1000003",
"10000019",
"100000007",
"1000000007",
"10000000019",
"100000000003",
"1000000000039",
"10000000000037",
"100000000000031",
"1000000000000037",
"10000000000000061",
"100000000000000003",
"1000000000000000003",
"10000000000000000051"
] | [
"nonn",
"base",
"changed"
] | 22 | 1 | 1 | [
"A003617",
"A382899",
"A382981"
] | null | Jean-Marc Rebert, Apr 11 2025 | 2025-04-16T10:30:06 | oeisdata/seq/A382/A382981.seq | fcc2e1cf336b279c3d05e4dd871b6e57 |
A382982 | Primes of the form Sum_{i=j..k} prime(i)^prime(i). | [
"31",
"826699",
"303160419086407"
] | [
"nonn",
"new"
] | 18 | 1 | 1 | [
"A051674",
"A061789",
"A340392",
"A382982"
] | null | Zak Seidov and Robert Israel, Apr 11 2025 | 2025-04-17T09:51:37 | oeisdata/seq/A382/A382982.seq | 617384b161b19dab6ef1ad8d74f4ab52 |
A382983 | a(n) is the number of solutions to n = x*y in positive integers x <= y where x + y is prime. | [
"1",
"1",
"0",
"1",
"0",
"2",
"0",
"0",
"0",
"2",
"0",
"2",
"0",
"0",
"0",
"1",
"0",
"2",
"0",
"0",
"0",
"2",
"0",
"1",
"0",
"0",
"0",
"2",
"0",
"4",
"0",
"0",
"0",
"1",
"0",
"2",
"0",
"0",
"0",
"2",
"0",
"4",
"0",
"0",
"0",
"1",
"0",
"1",
"0",
"0",
"0",
"2",
"0",
"1",
"0",
"0",
"0",
"2",
"0",
"4",
"0",
"0",
"0",
"0",
"0",
"2",
"0",
"0",
"0",
"4",
"0",
"2",
"0",
"0",
"0",
"1",
"0",
"4",
"0",
"0",
"0",
"2",
"0",
"2",
"0",
"0",
"0",
"2"
] | [
"nonn",
"easy",
"new"
] | 12 | 1 | 6 | [
"A000040",
"A004526",
"A038548",
"A382983",
"A382984",
"A382985"
] | null | Felix Huber, Apr 14 2025 | 2025-04-19T17:49:29 | oeisdata/seq/A382/A382983.seq | 85e78e78e47c6349b4c6118852770272 |
A382984 | Coefficient of x^3 in expansion of (x+1) * (x+4) * ... * (x+3*n-2). | [
"0",
"0",
"0",
"1",
"22",
"445",
"9605",
"227969",
"5974388",
"172323696",
"5441287980",
"187011672276",
"6957458412520",
"278765196526024",
"11973706678705408",
"549052544309039744",
"26777325537157361024",
"1384271732837081576576",
"75622395021091990225152",
"4353640204459556218940160"
] | [
"nonn",
"new"
] | 9 | 0 | 5 | [
"A028340",
"A286718",
"A382984"
] | null | Seiichi Manyama, Apr 20 2025 | 2025-04-20T08:40:48 | oeisdata/seq/A382/A382984.seq | e03985dbb1b5429f0eea19960f02da6e |
A382985 | Coefficient of x^4 in expansion of (x+1) * (x+4) * ... * (x+3*n-2). | [
"0",
"0",
"0",
"0",
"1",
"35",
"1005",
"28700",
"859369",
"27458613",
"941164860",
"34617398640",
"1364003226036",
"57425577775852",
"2575788307560104",
"122732603903789880",
"6194752323883374224",
"330320189407442698000",
"18560921582024101872576",
"1096473082032417593216832"
] | [
"nonn",
"new"
] | 9 | 0 | 6 | [
"A028341",
"A286718",
"A382985"
] | null | Seiichi Manyama, Apr 20 2025 | 2025-04-20T08:40:44 | oeisdata/seq/A382/A382985.seq | da443dac1b26008b075d817a699335d3 |
A382986 | a(n) is the number of iterations that n requires to reach 0 under the map k -> b(k) where b(k) = k+1 if k is even, and b(k) = k-gpf(k) if k is odd, where gpf(k) is the greatest prime dividing k. | [
"0",
"1",
"2",
"1",
"2",
"1",
"2",
"1",
"4",
"3",
"2",
"1",
"2",
"1",
"4",
"3",
"2",
"1",
"2",
"1",
"6",
"5",
"2",
"1",
"8",
"7",
"10",
"9",
"2",
"1",
"2",
"1",
"4",
"3",
"4",
"3",
"2",
"1",
"12",
"11",
"2",
"1",
"2",
"1",
"4",
"3",
"2",
"1",
"4",
"3",
"6",
"5",
"2",
"1",
"6",
"5",
"14",
"13",
"2",
"1",
"2",
"1",
"16",
"15",
"4",
"3",
"2",
"1",
"4",
"3",
"2",
"1",
"2",
"1",
"4",
"3",
"4",
"3",
"2",
"1",
"4",
"3",
"2",
"1",
"6",
"5",
"4",
"3",
"2",
"1"
] | [
"nonn",
"new"
] | 54 | 0 | 3 | [
"A006530",
"A076563",
"A382986"
] | null | Jakub Buczak, Apr 11 2025 | 2025-04-24T00:16:20 | oeisdata/seq/A382/A382986.seq | 05011b2b429b172aaf8e20f2229a61e0 |
A382987 | a(n) is the total sum of the last symbol in all Catalan words of length n avoiding the pattern (>=,>=). | [
"0",
"0",
"1",
"4",
"12",
"34",
"94",
"258",
"707",
"1940",
"5337",
"14728",
"40777",
"113268",
"315627",
"882168",
"2472669",
"6949344",
"19579971",
"55296972",
"156511626",
"443902074",
"1261440936",
"3591153874",
"10240960381",
"29251149324",
"83675868455",
"239703961016",
"687596129964",
"1974890635522",
"5679036727894"
] | [
"nonn"
] | 9 | 0 | 4 | [
"A382987",
"A382988",
"A382989",
"A382990"
] | null | Stefano Spezia, Apr 11 2025 | 2025-04-12T12:36:44 | oeisdata/seq/A382/A382987.seq | 23dce0dfaf86507c80d4571147bc41e6 |
A382988 | a(n) is the total sum of semiperimeters over all (>=,>=)-polyominoes of length n. | [
"0",
"2",
"7",
"21",
"62",
"180",
"522",
"1512",
"4384",
"12726",
"36995",
"107701",
"313986",
"916604",
"2679159",
"7840125",
"22967784",
"67352334",
"197693325",
"580775223",
"1707553410",
"5024194308",
"14793209508",
"43585511382",
"128495325672",
"379036691250",
"1118687153077",
"3303357347907",
"9759086504006",
"28844148674092"
] | [
"nonn"
] | 9 | 0 | 2 | [
"A382987",
"A382988",
"A382989",
"A382990"
] | null | Stefano Spezia, Apr 11 2025 | 2025-04-12T12:37:15 | oeisdata/seq/A382/A382988.seq | 9c43785492d87ef00504899c86276c79 |
A382989 | a(n) is the total sum of area over all (>=,>=)-polyominoes of length n. | [
"0",
"1",
"5",
"19",
"66",
"218",
"701",
"2215",
"6919",
"21438",
"66034",
"202502",
"618892",
"1886433",
"5737755",
"17421735",
"52823013",
"159970938",
"483979572",
"1463006976",
"4419285573",
"13340964849",
"40252007970",
"121389925346",
"365929470596",
"1102688346763",
"3321748158985",
"10003556543907",
"30118208180650"
] | [
"nonn"
] | 11 | 0 | 3 | [
"A002426",
"A382987",
"A382988",
"A382989",
"A382990"
] | null | Stefano Spezia, Apr 11 2025 | 2025-04-12T12:37:31 | oeisdata/seq/A382/A382989.seq | b39f8139744d382a923b8907d2b88440 |
A382990 | a(n) is the total number of interior points of over all (>=,>=)-polyominoes of length n. | [
"0",
"0",
"0",
"2",
"13",
"59",
"230",
"830",
"2858",
"9547",
"31227",
"100599",
"320417",
"1011664",
"3172230",
"9892182",
"30708696",
"94975383",
"292822629",
"900431037",
"2762584182",
"8459318100",
"25859561685",
"78934174379",
"240626872721",
"732695058014",
"2228730824384",
"6773206968802",
"20567144954853",
"62406771069411"
] | [
"nonn"
] | 12 | 0 | 4 | [
"A002426",
"A382987",
"A382988",
"A382989",
"A382990"
] | null | Stefano Spezia, Apr 11 2025 | 2025-04-12T12:37:41 | oeisdata/seq/A382/A382990.seq | 6de41128f61d80927a654f3c3e57b545 |
A382991 | Number of compositions of n such that any part 1 at position k can be k different colors. | [
"1",
"1",
"3",
"10",
"40",
"193",
"1110",
"7473",
"57821",
"505945",
"4940354",
"53248874",
"627848885",
"8037734930",
"111017325473",
"1645384681765",
"26044845197881",
"438499277779636",
"7824114643731522",
"147476551001255125",
"2928074880767254238",
"61078483577649288463",
"1335438738400978511877"
] | [
"nonn",
"easy",
"changed"
] | 14 | 0 | 3 | [
"A008275",
"A011782",
"A088305",
"A238351",
"A240736",
"A382991",
"A382992"
] | null | John Tyler Rascoe, Apr 11 2025 | 2025-04-24T08:01:52 | oeisdata/seq/A382/A382991.seq | c60d974c7d5ff07ccdb2f6906e4b8049 |
A382992 | Number of compositions of n that have at least 1 part equal to 1 and any part 1 at position k can be k different colors. | [
"0",
"1",
"2",
"9",
"38",
"190",
"1105",
"7465",
"57808",
"505924",
"4940320",
"53248819",
"627848796",
"8037734786",
"111017325240",
"1645384681388",
"26044845197271",
"438499277778649",
"7824114643729925",
"147476551001252541",
"2928074880767250057",
"61078483577649281698",
"1335438738400978500931"
] | [
"nonn",
"easy",
"changed"
] | 22 | 0 | 3 | [
"A000045",
"A008275",
"A011782",
"A088305",
"A238351",
"A240736",
"A382991",
"A382992"
] | null | John Tyler Rascoe, Apr 11 2025 | 2025-04-24T07:59:22 | oeisdata/seq/A382/A382992.seq | 99ff1a2a6e6bbe285122cb8ec945770d |
A382993 | Square array A(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where A(n,k) = -(1/n) * Sum_{d|n} phi(n/d) * (-k)^d. | [
"1",
"2",
"0",
"3",
"-1",
"1",
"4",
"-3",
"4",
"0",
"5",
"-6",
"11",
"-4",
"1",
"6",
"-10",
"24",
"-21",
"8",
"0",
"7",
"-15",
"45",
"-66",
"51",
"-10",
"1",
"8",
"-21",
"76",
"-160",
"208",
"-119",
"20",
"0",
"9",
"-28",
"119",
"-330",
"629",
"-676",
"315",
"-34",
"1",
"10",
"-36",
"176",
"-609",
"1560",
"-2590",
"2344",
"-831",
"60",
"0",
"11",
"-45",
"249",
"-1036",
"3367",
"-7750",
"11165",
"-8226",
"2195",
"-100",
"1"
] | [
"sign",
"tabl"
] | 19 | 1 | 2 | [
"A000010",
"A000035",
"A074763",
"A075195",
"A286957",
"A343465",
"A343466",
"A343467",
"A382993",
"A382994",
"A382998",
"A383011"
] | null | Seiichi Manyama, Apr 11 2025 | 2025-04-12T11:21:34 | oeisdata/seq/A382/A382993.seq | 6706af5cb27ba991eae899ffaa26979c |
A382994 | Square array A(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where A(n,k) = -Sum_{d|n} phi(n/d) * (-k)^d. | [
"1",
"2",
"0",
"3",
"-2",
"3",
"4",
"-6",
"12",
"0",
"5",
"-12",
"33",
"-16",
"5",
"6",
"-20",
"72",
"-84",
"40",
"0",
"7",
"-30",
"135",
"-264",
"255",
"-60",
"7",
"8",
"-42",
"228",
"-640",
"1040",
"-714",
"140",
"0",
"9",
"-56",
"357",
"-1320",
"3145",
"-4056",
"2205",
"-272",
"9",
"10",
"-72",
"528",
"-2436",
"7800",
"-15540",
"16408",
"-6648",
"540",
"0"
] | [
"sign",
"tabl"
] | 15 | 1 | 2 | [
"A000010",
"A185651",
"A382993",
"A382994",
"A382995",
"A382997"
] | null | Seiichi Manyama, Apr 12 2025 | 2025-04-12T11:21:18 | oeisdata/seq/A382/A382994.seq | 67348ba940f0e79def3df92a9461f4f4 |
A382995 | Square array A(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where A(n,k) = Sum_{d|n} phi(n/d) * (-k)^(d-1). | [
"1",
"1",
"0",
"1",
"-1",
"3",
"1",
"-2",
"6",
"0",
"1",
"-3",
"11",
"-8",
"5",
"1",
"-4",
"18",
"-28",
"20",
"0",
"1",
"-5",
"27",
"-66",
"85",
"-30",
"7",
"1",
"-6",
"38",
"-128",
"260",
"-238",
"70",
"0",
"1",
"-7",
"51",
"-220",
"629",
"-1014",
"735",
"-136",
"9",
"1",
"-8",
"66",
"-348",
"1300",
"-3108",
"4102",
"-2216",
"270",
"0",
"1",
"-9",
"83",
"-518",
"2405",
"-7750",
"15631",
"-16452",
"6585",
"-500",
"11"
] | [
"sign",
"tabl"
] | 15 | 1 | 6 | [
"A000010",
"A193356",
"A343489",
"A382994",
"A382995",
"A382998",
"A382999",
"A383000"
] | null | Seiichi Manyama, Apr 12 2025 | 2025-04-12T09:49:37 | oeisdata/seq/A382/A382995.seq | 21a93fa133b937aef40a07ce2053ad53 |
A382997 | a(n) = -Sum_{d|n} phi(n/d) * (-n)^d. | [
"1",
"-2",
"33",
"-264",
"3145",
"-46500",
"823585",
"-16781408",
"387422001",
"-9999900360",
"285311670721",
"-8916103472496",
"302875106592409",
"-11112006720145604",
"437893890382391745",
"-18446744078004650880",
"827240261886336764449",
"-39346408075098246299676",
"1978419655660313589124321"
] | [
"sign"
] | 8 | 1 | 2 | [
"A000010",
"A382994",
"A382997",
"A383010"
] | null | Seiichi Manyama, Apr 12 2025 | 2025-04-12T09:37:29 | oeisdata/seq/A382/A382997.seq | 202ff978d7e6a4785c6d3ba1581940c9 |
A382998 | a(n) = Sum_{d|n} phi(n/d) * (-n)^(d-1). | [
"1",
"-1",
"11",
"-66",
"629",
"-7750",
"117655",
"-2097676",
"43046889",
"-999990036",
"25937424611",
"-743008622708",
"23298085122493",
"-793714765724686",
"29192926025492783",
"-1152921504875290680",
"48661191875666868497",
"-2185911559727680349982",
"104127350297911241532859"
] | [
"sign"
] | 12 | 1 | 3 | [
"A000010",
"A382993",
"A382995",
"A382997",
"A382998",
"A383003"
] | null | Seiichi Manyama, Apr 12 2025 | 2025-04-12T09:37:34 | oeisdata/seq/A382/A382998.seq | 2e00e07275062b5f7843e751b9b3fe6c |
A382999 | a(n) = Sum_{d|n} phi(n/d) * (-2)^(d-1). | [
"1",
"-1",
"6",
"-8",
"20",
"-30",
"70",
"-136",
"270",
"-500",
"1034",
"-2088",
"4108",
"-8134",
"16440",
"-32912",
"65552",
"-130878",
"262162",
"-524800",
"1048740",
"-2096138",
"4194326",
"-8390976",
"16777300",
"-33550348",
"67109418",
"-134225840",
"268435484",
"-536855640",
"1073741854",
"-2147516704",
"4294969404"
] | [
"sign"
] | 11 | 1 | 3 | [
"A000010",
"A034738",
"A074763",
"A382995",
"A382999"
] | null | Seiichi Manyama, Apr 12 2025 | 2025-04-12T11:21:14 | oeisdata/seq/A382/A382999.seq | a6814bc4decb10f52bcfbaa572ebf98d |
A383000 | a(n) = Sum_{d|n} phi(n/d) * (-3)^(d-1). | [
"1",
"-2",
"11",
"-28",
"85",
"-238",
"735",
"-2216",
"6585",
"-19610",
"59059",
"-177428",
"531453",
"-1593606",
"4783175",
"-14351152",
"43046737",
"-129134082",
"387420507",
"-1162281100",
"3486785925",
"-10460294174",
"31381059631",
"-94143360856",
"282429536825",
"-847288078026",
"2541865841523",
"-7625599078020",
"22876792454989"
] | [
"sign"
] | 10 | 1 | 2 | [
"A000010",
"A034754",
"A343465",
"A382995",
"A383000"
] | null | Seiichi Manyama, Apr 12 2025 | 2025-04-12T11:21:39 | oeisdata/seq/A383/A383000.seq | 815d60e7c953b0a99aaa5bd021007b0e |
A383001 | Smallest number with shortest addition-multiplication chain of length n. | [
"1",
"2",
"3",
"5",
"7",
"13",
"23",
"59",
"211",
"619",
"4282",
"25819",
"223918"
] | [
"nonn",
"nice",
"hard",
"more",
"new"
] | 8 | 0 | 2 | [
"A003064",
"A230697",
"A383001",
"A383002"
] | null | Pontus von Brömssen, Apr 12 2025 | 2025-04-17T08:09:55 | oeisdata/seq/A383/A383001.seq | 831ff131ac2c3425a555f1b93a675803 |
A383002 | Number of integers with a shortest addition-multiplication chain of length n. | [
"1",
"1",
"2",
"5",
"16",
"63",
"331",
"2238",
"19831",
"222949",
"3080625"
] | [
"nonn",
"hard",
"more",
"new"
] | 6 | 0 | 3 | [
"A003065",
"A230697",
"A383001",
"A383002"
] | null | Pontus von Brömssen, Apr 12 2025 | 2025-04-17T08:09:23 | oeisdata/seq/A383/A383002.seq | d72db7f7bae26c4e13b0e6f79d559f6b |
A383003 | a(n) = Sum_{d|n} (-n)^(d-1). | [
"1",
"-1",
"10",
"-67",
"626",
"-7745",
"117650",
"-2097671",
"43046803",
"-999990009",
"25937424602",
"-743008621115",
"23298085122482",
"-793714765724621",
"29192926025441476",
"-1152921504875286543",
"48661191875666868482",
"-2185911559727678460653",
"104127350297911241532842"
] | [
"sign",
"easy"
] | 12 | 1 | 3 | [
"A101561",
"A101562",
"A101563",
"A262843",
"A308814",
"A382998",
"A383003",
"A383010",
"A383012"
] | null | Seiichi Manyama, Apr 12 2025 | 2025-04-12T09:37:38 | oeisdata/seq/A383/A383003.seq | 846e1f4486bfe11ea672aa61527455d7 |
A383004 | Exponent of the highest power of 2 dividing the n-th cubefree number. | [
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"0",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"1"
] | [
"nonn",
"easy"
] | 9 | 1 | 4 | [
"A004709",
"A007814",
"A373550",
"A383004",
"A383005",
"A383009"
] | null | Amiram Eldar, Apr 12 2025 | 2025-04-12T09:42:24 | oeisdata/seq/A383/A383004.seq | 58c08f7265d6fb28bbfe520bc41d1d22 |
A383005 | Exponent of the highest power of 2 dividing the n-th biquadratefree number. | [
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"3",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"3",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"3",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"3",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"3",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"1",
"0",
"2",
"0",
"1",
"0",
"3",
"0",
"1",
"0",
"2",
"0"
] | [
"nonn",
"easy"
] | 7 | 1 | 4 | [
"A007814",
"A046100",
"A254990",
"A373550",
"A383004",
"A383005"
] | null | Amiram Eldar, Apr 12 2025 | 2025-04-12T09:41:35 | oeisdata/seq/A383/A383005.seq | e770bb2df697cfa0d96ada9d03fbd1c0 |
Subsets and Splits
No saved queries yet
Save your SQL queries to embed, download, and access them later. Queries will appear here once saved.