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666,262,453B
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635M
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listlengths 1
128
⌀ | former_ids
listlengths 1
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⌀ | timestamp
timestamp[us]date 1999-12-11 03:00:00
2025-07-19 00:40:46
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---|---|---|---|---|---|---|---|---|---|---|---|---|
A385865 | Triangle read by rows where T(n,k), for 1 <= k < n, is the column number where (n-k)^2 occurs in an n X n grid filled rowwise with the numbers 1 to n^2. | [
"1",
"1",
"1",
"1",
"4",
"1",
"1",
"4",
"4",
"1",
"1",
"4",
"3",
"4",
"1",
"1",
"4",
"2",
"2",
"4",
"1",
"1",
"4",
"1",
"8",
"1",
"4",
"1",
"1",
"4",
"9",
"7",
"7",
"9",
"4",
"1",
"1",
"4",
"9",
"6",
"5",
"6",
"9",
"4",
"1",
"1",
"4",
"9",
"5",
"3",
"3",
"5",
"9",
"4",
"1",
"1",
"4",
"9",
"4",
"1",
"12",
"1",
"4",
"9",
"4",
"1",
"1",
"4",
"9",
"3",
"12",
"10",
"10",
"12",
"3",
"9",
"4",
"1",
"1",
"4",
"9",
"2",
"11",
"8",
"7",
"8",
"11",
"2",
"9",
"4",
"1",
"1"
]
| [
"nonn",
"easy",
"tabl",
"new"
]
| 34 | 2 | 5 | [
"A385865",
"A385866"
]
| null | Binay Krishna Maity, Jul 10 2025 | 2025-07-17T14:50:53 | oeisdata/seq/A385/A385865.seq | 37b39012daecd9d1a3c0c0401de157ef |
A385866 | Triangle read by rows where T(n,k), for 1 <= k < n, is the row number where (n-k)^2 occurs in an n X n grid filled rowwise with the numbers 1 to n^2. | [
"1",
"2",
"1",
"3",
"1",
"1",
"4",
"2",
"1",
"1",
"5",
"3",
"2",
"1",
"1",
"6",
"4",
"3",
"2",
"1",
"1",
"7",
"5",
"4",
"2",
"2",
"1",
"1",
"8",
"6",
"4",
"3",
"2",
"1",
"1",
"1",
"9",
"7",
"5",
"4",
"3",
"2",
"1",
"1",
"1",
"10",
"8",
"6",
"5",
"4",
"3",
"2",
"1",
"1",
"1",
"11",
"9",
"7",
"6",
"5",
"3",
"3",
"2",
"1",
"1",
"1",
"12",
"10",
"8",
"7",
"5",
"4",
"3",
"2",
"2",
"1",
"1",
"1",
"13",
"11",
"9",
"8",
"6",
"5",
"4",
"3",
"2",
"2",
"1",
"1",
"1"
]
| [
"nonn",
"easy",
"tabl",
"new"
]
| 34 | 2 | 2 | [
"A385865",
"A385866"
]
| null | Binay Krishna Maity, Jul 10 2025 | 2025-07-17T09:43:09 | oeisdata/seq/A385/A385866.seq | a1d12e9e22fb2f48a2f85ba586a3d9fb |
A385869 | The maximum possible number of 7-cycles in an outerplanar graph on n vertices. | [
"1",
"4",
"7",
"12",
"17",
"24",
"27",
"32",
"37",
"44",
"47",
"52",
"57",
"64",
"67",
"72",
"77",
"84",
"87",
"92",
"97",
"104",
"107",
"112",
"117",
"124",
"127",
"132",
"137",
"144",
"147",
"152",
"157",
"164",
"167",
"172",
"177",
"184",
"187",
"192",
"197",
"204",
"207",
"212",
"217",
"224",
"227",
"232",
"237",
"244",
"247",
"252",
"257",
"264",
"267",
"272",
"277",
"284",
"287",
"292",
"297"
]
| [
"nonn",
"easy",
"new"
]
| 17 | 7 | 2 | null | null | Stephen Bartell, Jul 10 2025 | 2025-07-16T22:30:58 | oeisdata/seq/A385/A385869.seq | c5ae3abd8293b9193bbaafebe8d44f95 |
A385870 | Number of subsets of {1,2,...,n} such that no two elements differ by 1 or 6. | [
"1",
"2",
"3",
"5",
"8",
"13",
"21",
"29",
"45",
"66",
"99",
"148",
"218",
"337",
"497",
"755",
"1131",
"1699",
"2571",
"3824",
"5794",
"8661",
"13041",
"19601",
"29376",
"44311",
"66349",
"99936",
"150000",
"225387",
"339000",
"508631",
"765392",
"1148865",
"1727249",
"2595270",
"3898324",
"5861084",
"8801690",
"13231745",
"19877092",
"29869125"
]
| [
"easy",
"nonn",
"new"
]
| 6 | 0 | 2 | [
"A376033",
"A385870"
]
| null | Michael A. Allen, Jul 11 2025 | 2025-07-15T18:26:33 | oeisdata/seq/A385/A385870.seq | 68ef3c6dadc864973241cb0d984604b8 |
A385871 | a(n) is the number of primes in the prime chain to which prime(n) belongs. Details are in the Comments. | [
"3",
"3",
"3",
"3",
"3",
"1",
"1",
"2",
"3",
"2",
"1",
"2",
"2",
"1",
"3",
"2",
"1",
"1",
"1",
"1",
"2",
"2",
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"1",
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"1",
"1",
"1",
"1",
"1",
"1",
"4",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"3",
"2"
]
| [
"nonn",
"new"
]
| 25 | 1 | 1 | [
"A000040",
"A385871"
]
| null | Tamas Sandor Nagy, Jul 11 2025 | 2025-07-18T16:45:34 | oeisdata/seq/A385/A385871.seq | 7b6ed96de8d292184dc63eed45c602df |
A385874 | a(n) = 1 + Sum_{k=0..n-1} binomial(k+1,2) * a(k) * a(n-1-k). | [
"1",
"1",
"2",
"8",
"57",
"639",
"10357",
"229588",
"6686619",
"248013315",
"11425386222",
"640413284553",
"42933889931191",
"3393203732253145",
"312268381507616935",
"33107736233111305459",
"4006699123399932333697",
"548987463226205098599755",
"84552444466155546810368421",
"14544161652321384236939516147"
]
| [
"nonn",
"new"
]
| 15 | 0 | 3 | [
"A143917",
"A385830",
"A385835",
"A385840",
"A385874",
"A385875",
"A385876",
"A385877"
]
| null | Seiichi Manyama, Jul 11 2025 | 2025-07-12T21:33:28 | oeisdata/seq/A385/A385874.seq | 892754544df3af55eb52cba18d05c4a2 |
A385875 | a(n) = 1 + Sum_{k=0..n-1} binomial(k+2,3) * a(k) * a(n-1-k). | [
"1",
"1",
"2",
"10",
"111",
"2347",
"84757",
"4837213",
"411373408",
"49787445476",
"8265626303452",
"1826809978098228",
"524311794034090050",
"191377585766768936606",
"87269255118865044728501",
"48958442598180565027265909",
"33340876732769115354996751746",
"27239595466972699678481509900786"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A143917",
"A385841",
"A385874",
"A385875",
"A385876",
"A385877"
]
| null | Seiichi Manyama, Jul 11 2025 | 2025-07-11T08:49:26 | oeisdata/seq/A385/A385875.seq | 625cd9ceac3b82a000cb6d2425aa3d58 |
A385876 | a(n) = 1 + Sum_{k=0..n-1} binomial(k+3,4) * a(k) * a(n-1-k). | [
"1",
"1",
"2",
"12",
"193",
"6968",
"495189",
"62906143",
"13274340034",
"4393943557987",
"2179423896462618",
"1560476564415661780",
"1563601961040080858376",
"2135883440687340361131857",
"3889446901597262416621276499",
"9260777373178278371280728311304",
"28347247357191779349093896687278933"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A143917",
"A385842",
"A385874",
"A385875",
"A385876",
"A385877"
]
| null | Seiichi Manyama, Jul 11 2025 | 2025-07-11T08:49:21 | oeisdata/seq/A385/A385876.seq | b5696676943775ae434cf906d78df3bc |
A385877 | a(n) = 1 + Sum_{k=0..n-1} binomial(k+4,5) * a(k) * a(n-1-k). | [
"1",
"1",
"2",
"14",
"309",
"17637",
"2240632",
"566921596",
"262489646519",
"208155482551991",
"268104800528280951",
"537014337938584568385",
"1613191612128443060280697",
"7048035233444754041436840277",
"43620293298146615746333469478901",
"373782307403691698916363133787269075"
]
| [
"nonn",
"new"
]
| 7 | 0 | 3 | [
"A143917",
"A385843",
"A385874",
"A385875",
"A385876",
"A385877"
]
| null | Seiichi Manyama, Jul 11 2025 | 2025-07-11T08:49:17 | oeisdata/seq/A385/A385877.seq | b90bc5fc3babfc648a702dfaba5ce05c |
A385887 | The number k such that the k-th composition in standard order is the reversed sequence of lengths of maximal runs of binary indices of n. | [
"0",
"1",
"1",
"2",
"1",
"3",
"2",
"4",
"1",
"3",
"3",
"6",
"2",
"5",
"4",
"8",
"1",
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"3",
"6",
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"12",
"24",
"2",
"5",
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"20",
"4",
"9",
"9",
"18",
"8",
"17",
"16",
"32",
"1",
"3",
"3",
"6",
"3",
"7",
"6",
"12",
"3",
"7",
"7",
"14",
"6",
"13",
"12",
"24"
]
| [
"nonn",
"new"
]
| 5 | 0 | 4 | [
"A000120",
"A029931",
"A044813",
"A048793",
"A069010",
"A209859",
"A232559",
"A245562",
"A245563",
"A246029",
"A247648",
"A348366",
"A358654",
"A384175",
"A384877",
"A385816",
"A385817",
"A385818",
"A385886",
"A385887",
"A385889"
]
| null | Gus Wiseman, Jul 17 2025 | 2025-07-18T08:30:45 | oeisdata/seq/A385/A385887.seq | cb24ff76dda6d7264e44cc76710bdabb |
A385889 | The number k such that the k-th composition in standard order is the sequence of lengths of maximal runs of binary indices of n. | [
"0",
"1",
"1",
"2",
"1",
"3",
"2",
"4",
"1",
"3",
"3",
"5",
"2",
"6",
"4",
"8",
"1",
"3",
"3",
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"3",
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"1",
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"12",
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"24",
"16",
"32",
"1",
"3",
"3",
"5",
"3",
"7",
"5",
"9",
"3",
"7",
"7",
"11",
"5",
"13",
"9",
"17",
"3"
]
| [
"nonn",
"new"
]
| 7 | 0 | 4 | [
"A000120",
"A023758",
"A029931",
"A044813",
"A048793",
"A069010",
"A209859",
"A245562",
"A245563",
"A246029",
"A247648",
"A348366",
"A384175",
"A384877",
"A384878",
"A385816",
"A385817",
"A385818",
"A385887",
"A385889"
]
| null | Gus Wiseman, Jul 16 2025 | 2025-07-18T08:30:38 | oeisdata/seq/A385/A385889.seq | 3cdc062375a20ecbfab1f9f1b07e6d72 |
A385890 | Positions of first appearances in A245563 = run lengths of binary indices. | [
"1",
"2",
"4",
"6",
"8",
"12",
"14",
"16",
"22",
"24",
"28",
"30",
"32",
"44",
"46",
"48",
"54",
"56",
"60",
"62",
"64",
"86",
"88",
"92",
"94",
"96",
"108",
"110",
"112",
"118",
"120",
"124",
"126",
"128",
"172",
"174",
"176",
"182",
"184",
"188",
"190",
"192",
"214",
"216",
"220",
"222",
"224",
"236",
"238",
"240",
"246",
"248",
"252",
"254",
"256",
"342",
"344",
"348"
]
| [
"nonn",
"new"
]
| 7 | 1 | 2 | [
"A000120",
"A023758",
"A048793",
"A069010",
"A200649",
"A243815",
"A245562",
"A245563",
"A246029",
"A328592",
"A384175",
"A384176",
"A384877",
"A384890",
"A385816",
"A385889",
"A385890"
]
| null | Gus Wiseman, Jul 18 2025 | 2025-07-18T18:21:08 | oeisdata/seq/A385/A385890.seq | af4ac7547eb69a0670923a54e60b7411 |
A385893 | Cycle of length 130 in the dynamical system A385938 starting from 26. | [
"26",
"61",
"41",
"96",
"64",
"43",
"29",
"68",
"159",
"106",
"71",
"166",
"111",
"74",
"173",
"404",
"943",
"629",
"1468",
"979",
"653",
"1524",
"1016",
"2371",
"1581",
"1054",
"703",
"469",
"313",
"209",
"488",
"1139",
"2658",
"1772",
"4135",
"2757",
"1838",
"4289",
"10008",
"6672",
"4448",
"10379",
"24218",
"56509",
"37673",
"87904",
"58603",
"39069",
"26046",
"17364"
]
| [
"nonn",
"easy",
"fini",
"full",
"new"
]
| 27 | 0 | 1 | [
"A385893",
"A385938"
]
| null | Miquel Cerda, Jul 12 2025 | 2025-07-17T20:13:35 | oeisdata/seq/A385/A385893.seq | 3b24b768ac958802dfe736de7adb234e |
A385894 | a(n) = n^5/5 + n^3/3 + 7*n/15. | [
"0",
"1",
"10",
"59",
"228",
"669",
"1630",
"3479",
"6728",
"12057",
"20338",
"32659",
"50348",
"74997",
"108486",
"153007",
"211088",
"285617",
"379866",
"497515",
"642676",
"819917",
"1034286",
"1291335",
"1597144",
"1958345",
"2382146",
"2876355",
"3449404",
"4110373",
"4869014",
"5735775",
"6721824",
"7839073",
"9100202",
"10518683"
]
| [
"nonn",
"easy",
"new"
]
| 4 | 0 | 3 | [
"A058031",
"A385894"
]
| null | Stefano Spezia, Jul 12 2025 | 2025-07-12T18:39:21 | oeisdata/seq/A385/A385894.seq | f04c192e8f1f1148d7fa40f9e1f12709 |
A385900 | Number of figurative partitions of n (strictly decreasing index paths). | [
"1",
"1",
"2",
"3",
"3",
"4",
"4",
"4",
"4",
"5",
"5",
"6",
"6",
"4",
"6",
"8",
"7",
"7",
"9",
"7",
"7",
"9",
"9",
"10",
"11",
"10",
"9",
"13",
"12",
"10",
"13",
"13",
"13",
"13",
"13",
"15",
"16",
"16",
"18",
"20",
"17",
"15",
"17",
"17",
"18",
"21",
"21",
"21",
"22",
"20",
"23",
"26",
"26",
"25",
"30",
"25",
"25",
"28",
"29",
"27",
"32",
"29",
"25",
"32",
"29",
"29",
"37",
"39",
"35",
"42",
"44",
"38"
]
| [
"nonn",
"new"
]
| 17 | 1 | 3 | [
"A139600",
"A385900",
"A385901"
]
| null | Peter Luschny, Jul 13 2025 | 2025-07-15T04:03:10 | oeisdata/seq/A385/A385900.seq | a60d302aea6f56b1df9e1cfbc12ecdf7 |
A385901 | Number of figurative partitions of n (weakly decreasing index paths). | [
"1",
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"10",
"11",
"13",
"17",
"19",
"22",
"28",
"33",
"38",
"46",
"53",
"62",
"73",
"83",
"96",
"116",
"131",
"151",
"178",
"203",
"231",
"269",
"302",
"345",
"399",
"450",
"510",
"589",
"661",
"749",
"858",
"963",
"1082",
"1231",
"1374",
"1547",
"1752",
"1952",
"2188",
"2469",
"2751",
"3073",
"3454",
"3842",
"4279",
"4798",
"5318",
"5909"
]
| [
"nonn",
"new"
]
| 10 | 1 | 3 | [
"A139600",
"A385900",
"A385901"
]
| null | Peter Luschny, Jul 14 2025 | 2025-07-15T04:03:06 | oeisdata/seq/A385/A385901.seq | 2f017ea517fc0bc11bbdeb03e6cfa40f |
A385916 | Positive integers m that form Gaussian integers m + i such that every Gaussian integer g with |g| <= |m + i| is a linear combination of the distinct Gaussian divisors of m + i (where i is the imaginary unit). | [
"1",
"2",
"3",
"5",
"7",
"8",
"12",
"13",
"17",
"18",
"21",
"23",
"27",
"31",
"32",
"33",
"37",
"38",
"41",
"43",
"47",
"55",
"57",
"68",
"72",
"73",
"75",
"81",
"82",
"83",
"89",
"91",
"93",
"98",
"99",
"105"
]
| [
"nonn",
"more",
"new"
]
| 12 | 1 | 2 | [
"A005153",
"A005574",
"A363227",
"A385489",
"A385916"
]
| null | Frank M Jackson, Jul 12 2025 | 2025-07-17T15:59:55 | oeisdata/seq/A385/A385916.seq | 43edf0d6f6b837a169ac3ea138509441 |
A385918 | Decimal expansion of log_10(1 + 1/8). | [
"5",
"1",
"1",
"5",
"2",
"5",
"2",
"2",
"4",
"4",
"7",
"3",
"8",
"1",
"2",
"8",
"8",
"9",
"4",
"8",
"8",
"3",
"9",
"1",
"2",
"2",
"3",
"3",
"6",
"7",
"5",
"1",
"5",
"3",
"8",
"0",
"9",
"5",
"6",
"8",
"8",
"0",
"8",
"3",
"9",
"9",
"5",
"0",
"6",
"6",
"1",
"0",
"5",
"7",
"2",
"8",
"4",
"4",
"8",
"8",
"9",
"7",
"2",
"2",
"9",
"1",
"3",
"3",
"7",
"3",
"7",
"7",
"4",
"4",
"0",
"4",
"8",
"7",
"1",
"7",
"6",
"2",
"5",
"1",
"5",
"4",
"9"
]
| [
"nonn",
"cons",
"easy",
"new"
]
| 9 | -1 | 1 | [
"A007524",
"A104140",
"A154203",
"A154580",
"A385659",
"A385853",
"A385854",
"A385855",
"A385918"
]
| null | Marco Ripà, Jul 12 2025 | 2025-07-12T21:08:04 | oeisdata/seq/A385/A385918.seq | 4dea6afbd07424948f47f80b0d6c5942 |
A385920 | E.g.f. A(x) satisfies A(x) = exp(x*A(x) + x^3*A''(x)). | [
"1",
"1",
"3",
"34",
"1085",
"76176",
"10075567",
"2259237184",
"795650626521",
"415436957516800",
"307467426910853051",
"311183690415601457664",
"418253671031607891057877",
"728624453608629352377831424",
"1611758187912750506708147828775",
"4448533739124778044473142239512576"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A000272",
"A156326",
"A385762",
"A385920",
"A385921",
"A385922",
"A385923"
]
| null | Seiichi Manyama, Jul 12 2025 | 2025-07-12T16:10:37 | oeisdata/seq/A385/A385920.seq | c87ebaf69f6df5d5012012f5bf3fe796 |
A385921 | E.g.f. A(x) satisfies A(x) = exp(x*A(x) + x^4*A'''(x)). | [
"1",
"1",
"3",
"16",
"509",
"66216",
"24639367",
"21043463344",
"35690424280569",
"108571039785256960",
"549371080081204026731",
"4363111116508031602712064",
"51938511093491129409954627637",
"892615592639462586040781503568896",
"21469194967164193484102627607895188975",
"703974996795045871424921458192403079479296"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A000272",
"A156326",
"A385763",
"A385920",
"A385921",
"A385922",
"A385923"
]
| null | Seiichi Manyama, Jul 12 2025 | 2025-07-12T16:10:53 | oeisdata/seq/A385/A385921.seq | eaeebb960cb3f4ff34009e769257e0f8 |
A385922 | E.g.f. A(x) satisfies A(x) = exp(x*A(x) + x^5*A''''(x)). | [
"1",
"1",
"3",
"16",
"125",
"16296",
"11929927",
"30230776864",
"203634850471929",
"3082625458810336000",
"93280255561776693446891",
"5173509703646410927969711104",
"491814532626655136406839912703157",
"75968624000349445912469318939348786176",
"18252829396078618393615717880609268502659375"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A000272",
"A156326",
"A385764",
"A385920",
"A385921",
"A385922",
"A385923"
]
| null | Seiichi Manyama, Jul 12 2025 | 2025-07-12T16:11:14 | oeisdata/seq/A385/A385922.seq | 007267384cc347a1abf1892e9a7d923c |
A385923 | E.g.f. A(x) satisfies A(x) = exp(x*A(x) + x^6*A'''''(x)). | [
"1",
"1",
"3",
"16",
"125",
"1296",
"949927",
"4800957904",
"96864153387129",
"5860087724767012480",
"886162470100464297115691",
"294792579950929452096468136704",
"196126682670165049397384798842463797",
"242323538289386581241948100813652397771776",
"523949046624700150687300336366625589891821933775"
]
| [
"nonn",
"new"
]
| 9 | 0 | 3 | [
"A000272",
"A156326",
"A385765",
"A385920",
"A385921",
"A385922",
"A385923"
]
| null | Seiichi Manyama, Jul 12 2025 | 2025-07-12T16:11:28 | oeisdata/seq/A385/A385923.seq | 193fbb35d321e53c40929926887a3c45 |
A385928 | Numbers k such that (34^k - 3^k)/31 is prime. | [
"2",
"337",
"421",
"79493"
]
| [
"nonn",
"hard",
"more",
"new"
]
| 4 | 1 | 1 | [
"A062587",
"A062589",
"A127996",
"A127997",
"A128344",
"A204940",
"A217320",
"A225807",
"A229542",
"A375161",
"A375236",
"A377031",
"A385928"
]
| null | Robert Price, Jul 12 2025 | 2025-07-17T03:07:45 | oeisdata/seq/A385/A385928.seq | 4c1d0e88b7e987a90f26ff7f4c69ef38 |
A385930 | Minimum base in which n achieves its maximum multiplicative persistence. | [
"2",
"2",
"2",
"2",
"2",
"2",
"2",
"3",
"2",
"4",
"4",
"2",
"5",
"4",
"4",
"6",
"3",
"5",
"5",
"6",
"6",
"5",
"6",
"5",
"3",
"3",
"7",
"6",
"6",
"4",
"8",
"6",
"6",
"6",
"9",
"8",
"8",
"4",
"7",
"7",
"7",
"9",
"11",
"8",
"7",
"7",
"7",
"5",
"10",
"9",
"9",
"9",
"3",
"8",
"8",
"12",
"10",
"9",
"6",
"8",
"9",
"8",
"4",
"6",
"6",
"10",
"12",
"9",
"9",
"6",
"3",
"13",
"5",
"10",
"11",
"7",
"10",
"9",
"3",
"14",
"14",
"7"
]
| [
"nonn",
"new"
]
| 20 | 1 | 1 | [
"A245760",
"A385930"
]
| null | Brendan Gimby, Jul 12 2025 | 2025-07-18T21:17:07 | oeisdata/seq/A385/A385930.seq | dec6010d09685685cafbc82435c39ad2 |
A385932 | Composite numbers m such that the sum of digits of m divides the sum of digits of prime factors of m (counted with multiplicity). | [
"4",
"10",
"22",
"27",
"32",
"42",
"58",
"60",
"70",
"85",
"94",
"100",
"104",
"121",
"152",
"166",
"200",
"202",
"231",
"265",
"274",
"315",
"316",
"319",
"322",
"330",
"342",
"346",
"355",
"361",
"378",
"382",
"391",
"402",
"406",
"430",
"438",
"450",
"454",
"483",
"510",
"517",
"526",
"535",
"540",
"562",
"576",
"588",
"602",
"610",
"612",
"627",
"632",
"634",
"636",
"645",
"648"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 16 | 1 | 1 | [
"A002808",
"A006753",
"A007953",
"A103125",
"A103126",
"A104390",
"A104391",
"A118503",
"A385932"
]
| null | Stefano Spezia, Jul 12 2025 | 2025-07-17T00:49:24 | oeisdata/seq/A385/A385932.seq | dfeb37f8a2b3d56a69beca2b0b12d939 |
A385933 | Number of ways to tile a "central bump" strip of length n with 1 X 1 squares and 1 X 3 rectangles. | [
"4",
"9",
"13",
"25",
"30",
"35",
"52",
"78",
"121",
"189",
"271",
"388",
"561",
"812",
"1204",
"1785",
"2617",
"3837",
"5602",
"8179",
"12000",
"17606",
"25825",
"37881",
"55483",
"81264",
"119089",
"174520",
"255828",
"375017",
"549589",
"805425",
"1180342",
"1729779",
"2535196",
"3715630",
"5445561",
"7980917",
"11696455",
"17141772"
]
| [
"nonn",
"new"
]
| 9 | 0 | 1 | [
"A000930",
"A385933"
]
| null | Greg Dresden and Saim Usmani, Jul 12 2025 | 2025-07-17T16:10:58 | oeisdata/seq/A385/A385933.seq | d10c6210727b691efb47d5460f219710 |
A385934 | Numbers that are one greater than terms of A055932, and also prime. | [
"2",
"3",
"5",
"7",
"13",
"17",
"19",
"31",
"37",
"61",
"73",
"97",
"109",
"151",
"163",
"181",
"193",
"211",
"241",
"257",
"271",
"421",
"433",
"487",
"541",
"577",
"601",
"631",
"751",
"769",
"811",
"1051",
"1153",
"1201",
"1297",
"1459",
"1471",
"1621",
"1801",
"2161",
"2251",
"2311",
"2521",
"2593",
"2917",
"3001",
"3361",
"3457",
"3889",
"4051",
"4201",
"4621",
"4801",
"4861"
]
| [
"nonn",
"new"
]
| 9 | 1 | 1 | [
"A055932",
"A385934",
"A385935"
]
| null | Ken Clements, Jul 12 2025 | 2025-07-17T16:10:32 | oeisdata/seq/A385/A385934.seq | 900480b1b8446bdd515a5e805f34c29e |
A385935 | Numbers that are one less than terms of A055932, and also prime. | [
"3",
"5",
"7",
"11",
"17",
"23",
"29",
"31",
"47",
"53",
"59",
"71",
"89",
"107",
"127",
"149",
"179",
"191",
"239",
"269",
"359",
"383",
"419",
"431",
"449",
"479",
"599",
"647",
"719",
"809",
"839",
"863",
"971",
"1049",
"1151",
"1259",
"1439",
"1499",
"1619",
"1889",
"2099",
"2309",
"2399",
"2591",
"2699",
"2879",
"2939",
"2999",
"3359",
"3779",
"4049",
"4373",
"4409",
"4799"
]
| [
"nonn",
"new"
]
| 8 | 1 | 1 | [
"A055932",
"A385934",
"A385935"
]
| null | Ken Clements, Jul 12 2025 | 2025-07-17T16:09:59 | oeisdata/seq/A385/A385935.seq | fa36ffe9ced1ac55a082d860296be948 |
A385936 | a(n) is the starting position of the second occurrence of a string of the initial n hexadecimal digits of Pi in the hexadecimal expansion of Pi. | [
"3",
"344",
"2595",
"41220",
"1766549",
"8759073",
"22221394",
"22221394"
]
| [
"nonn",
"base",
"more",
"new"
]
| 24 | 1 | 1 | [
"A062964",
"A081876",
"A385936",
"A385937"
]
| null | Jason A. Doucette, Jul 12 2025 | 2025-07-18T00:58:27 | oeisdata/seq/A385/A385936.seq | 60d79af11446de6c4916b31ad9100cb5 |
A385937 | a(n) is the starting position of the second occurrence of a string of the initial n binary digits of Pi in the binary expansion of Pi. | [
"1",
"12",
"16",
"48",
"77",
"246",
"246",
"418",
"418",
"513",
"513",
"513",
"513",
"44458",
"109628",
"201504",
"201504",
"260229",
"260229",
"260229",
"260229",
"5195536",
"5195536",
"5195536",
"16400799",
"71861116",
"71861116",
"71861116",
"88885576",
"88885576",
"465466168",
"465466168",
"2612839361",
"2612839361",
"5728737753",
"5728737753"
]
| [
"nonn",
"base",
"new"
]
| 22 | 1 | 2 | [
"A004601",
"A081876",
"A385936",
"A385937"
]
| null | Jason A. Doucette, Jul 12 2025 | 2025-07-18T08:30:34 | oeisdata/seq/A385/A385937.seq | 141810e989e12806563d79b9fa08dffa |
A385938 | a(n) = 2*n/3 if n == 0 (mod 3), (2*n+1)/3 if n == 1 (mod 3), (7*n+1)/3 if n == 2 (mod 3). | [
"0",
"1",
"5",
"2",
"3",
"12",
"4",
"5",
"19",
"6",
"7",
"26",
"8",
"9",
"33",
"10",
"11",
"40",
"12",
"13",
"47",
"14",
"15",
"54",
"16",
"17",
"61",
"18",
"19",
"68",
"20",
"21",
"75",
"22",
"23",
"82",
"24",
"25",
"89",
"26",
"27",
"96",
"28",
"29",
"103",
"30",
"31",
"110",
"32",
"33",
"117",
"34",
"35",
"124",
"36",
"37",
"131",
"38",
"39",
"138",
"40",
"41",
"145",
"42",
"43",
"152",
"44",
"45",
"159"
]
| [
"nonn",
"new"
]
| 23 | 0 | 3 | [
"A332057",
"A385893",
"A385938"
]
| null | Miquel Cerda, Jul 13 2025 | 2025-07-18T14:45:52 | oeisdata/seq/A385/A385938.seq | b7c004d5d0e2d31e04593e5ed1bda4fb |
A385939 | a(0) = 1; a(n) = Sum_{k=0..n-1} (1 + k) * (1 + k^2) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"5",
"88",
"3893",
"352536",
"57322537",
"15277686880",
"6239711818377",
"3708478187297920",
"3079046917046731661",
"3455392385954013825024",
"5100835934217411940938685",
"9682263835381845999967986688",
"23180826149963609282826172967025",
"68850271609123855250628849758027776"
]
| [
"nonn",
"new"
]
| 9 | 0 | 3 | [
"A156326",
"A385830",
"A385939",
"A385940",
"A385941",
"A385942",
"A385943"
]
| null | Seiichi Manyama, Jul 13 2025 | 2025-07-13T11:05:25 | oeisdata/seq/A385/A385939.seq | 5dc76ce16498a87d301974eaec3660f4 |
A385940 | a(0) = 1; a(n) = Sum_{k=0..n-1} (1 + k) * (1 + k^3) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"5",
"148",
"17189",
"5676336",
"4326290857",
"6602349049360",
"18222895109730537",
"84299882148193513600",
"616234715187848381357261",
"6792153358905298302629935104",
"108647409624774384033524243233165",
"2443481854821246436998727854436139008",
"75225062360951292682727255438183855480625"
]
| [
"nonn",
"new"
]
| 7 | 0 | 3 | [
"A156326",
"A385831",
"A385939",
"A385940",
"A385941",
"A385942",
"A385943"
]
| null | Seiichi Manyama, Jul 13 2025 | 2025-07-13T11:05:28 | oeisdata/seq/A385/A385940.seq | 1497c53dda777c4757e45f5f0c8f1538 |
A385941 | a(0) = 1; a(n) = Sum_{k=0..n-1} (1 + k) * (1 + k^4) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"5",
"268",
"88997",
"114813696",
"431933720137",
"3924557764490560",
"75445736579647162857",
"2782590090487142758353280",
"182621397948270167786531824781",
"20092371907364577184989521575079424",
"3530551258386563793887714321816262653965",
"951815440668013126114976449397609983348430848"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A156326",
"A385832",
"A385939",
"A385940",
"A385941",
"A385942",
"A385943"
]
| null | Seiichi Manyama, Jul 13 2025 | 2025-07-13T11:05:32 | oeisdata/seq/A385/A385941.seq | 196c050ea87d229df879da9a69f3d657 |
A385942 | a(0) = 1; a(n) = Sum_{k=0..n-1} (1 + k) * (1 + k^5) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"5",
"508",
"497861",
"2554041696",
"47918955042217",
"2608995595530944320",
"350836859825187730934697",
"103472315352121087796983183360",
"61101436986101317921145771113951181",
"67212924933426575369862458525709786073344",
"129898118403746997254471428114728554653243564525"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A156326",
"A385833",
"A385939",
"A385940",
"A385941",
"A385942",
"A385943"
]
| null | Seiichi Manyama, Jul 13 2025 | 2025-07-13T11:05:36 | oeisdata/seq/A385/A385942.seq | a65492d66c2bc32c3e3058bbe3e09fe5 |
A385943 | a(0) = 1; a(n) = Sum_{k=0..n-1} (1 + k) * (1 + k^6) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"5",
"988",
"2888933",
"59194266336",
"5550172939486537",
"1812719786900514856960",
"1706146365658760367161728617",
"4025335006744077207541517795929600",
"21392361120121469487882204135345762936461",
"235316442953945260569915546964215106936729204224"
]
| [
"nonn",
"new"
]
| 7 | 0 | 3 | [
"A156326",
"A385834",
"A385939",
"A385940",
"A385941",
"A385942",
"A385943"
]
| null | Seiichi Manyama, Jul 13 2025 | 2025-07-13T11:05:41 | oeisdata/seq/A385/A385943.seq | b64c3581d044e42c8e4c92b02ce557af |
A385944 | a(n) = denominator of rational number Im(P(x))/Pi, x in interval (1/A005117(n+1),1/A005117(n)), where P(x) is the prime zeta function. | [
"1",
"2",
"6",
"30",
"15",
"105",
"210",
"2310",
"30030",
"15015",
"5005",
"85085",
"1616615",
"4849845",
"9699690",
"223092870",
"111546435",
"3234846615",
"2156564410",
"66853496710",
"200560490130",
"100280245065",
"100280245065",
"3710369067405",
"7420738134810",
"2473579378270",
"101416754509070",
"152125131763605"
]
| [
"nonn",
"frac",
"new"
]
| 32 | 1 | 2 | [
"A005117",
"A385808",
"A385944"
]
| null | Artur Jasinski, Jul 13 2025 | 2025-07-18T17:19:44 | oeisdata/seq/A385/A385944.seq | 8c7e2e482bf761f08fb877b274cb5902 |
A385945 | a(0) = 1; a(n) = Sum_{k=0..n-1} binomial(k+3,3) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"5",
"63",
"1533",
"62736",
"3969387",
"366744330",
"47441881377",
"8313978813120",
"1921417594566561",
"572533956456137424",
"215766174031503450885",
"101144655173329674617088",
"58127411808811103704523775",
"40435528907318329027426583376",
"33666103690446265067517343384833"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A000272",
"A156325",
"A385945",
"A385946",
"A385947",
"A385948",
"A385952"
]
| null | Seiichi Manyama, Jul 13 2025 | 2025-07-13T11:01:18 | oeisdata/seq/A385/A385945.seq | 9003cc319f492878555edb1f32b8541f |
A385946 | a(0) = 1; a(n) = Sum_{k=0..n-1} binomial(k+4,4) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"6",
"106",
"4176",
"316696",
"42104392",
"9172761368",
"3106804304704",
"1567537597699840",
"1137145604406018176",
"1151190083860345401984",
"1585522852991230263395584",
"2906652632758146061798315776",
"6959140466024956612239458880000",
"21400639132670591710876896798678016"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A000272",
"A156325",
"A385945",
"A385946",
"A385947",
"A385948",
"A385953"
]
| null | Seiichi Manyama, Jul 13 2025 | 2025-07-13T11:01:14 | oeisdata/seq/A385/A385946.seq | 2221099ac93b1b4a439023fa33faab8a |
A385947 | a(0) = 1; a(n) = Sum_{k=0..n-1} binomial(k+5,5) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"7",
"166",
"10029",
"1321025",
"341733205",
"160453080950",
"128422430092385",
"166469443066352440",
"334968718604910165425",
"1009644894131844004090200",
"4422360688027934597152329025",
"27423466157672001507611296316100",
"235350249980804930971638499216115775"
]
| [
"nonn",
"new"
]
| 12 | 0 | 3 | [
"A000272",
"A156325",
"A385945",
"A385946",
"A385947",
"A385948",
"A385954"
]
| null | Seiichi Manyama, Jul 13 2025 | 2025-07-13T11:01:10 | oeisdata/seq/A385/A385947.seq | aef43b4180416a2229d307e7d99622e1 |
A385948 | a(0) = 1; a(n) = Sum_{k=0..n-1} binomial(k+6,6) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"8",
"246",
"21750",
"4689546",
"2197062708",
"2046202234224",
"3528088593902364",
"10627093734265740672",
"53295889303479275834616",
"427383379745842299684115608",
"5294446934064450139154214169992",
"98355143996083993836475641916586304",
"2669951662594756888115675117287929721248"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A000272",
"A156325",
"A385945",
"A385946",
"A385947",
"A385948",
"A385955"
]
| null | Seiichi Manyama, Jul 13 2025 | 2025-07-13T11:01:05 | oeisdata/seq/A385/A385948.seq | d87bb7392cd162bdc10a54d5a25d38e8 |
A385952 | a(0) = 1; a(n) = Sum_{k=0..n-1} binomial(k+3,3) * a(k) * a(n-1-k). | [
"1",
"1",
"5",
"59",
"1309",
"48790",
"2840931",
"244770680",
"29887602613",
"4993307581843",
"1108754325139526",
"319359741512132370",
"116893982001130825135",
"53422902443413341967604",
"30024521959524315980717288",
"20477109546794819263709728560",
"16750490995674468051531269811269"
]
| [
"nonn",
"new"
]
| 10 | 0 | 3 | [
"A088716",
"A351798",
"A385945",
"A385952",
"A385953",
"A385954",
"A385955"
]
| null | Seiichi Manyama, Jul 13 2025 | 2025-07-13T11:01:21 | oeisdata/seq/A385/A385952.seq | eed7195d5f908bcaedd32375f893ae9e |
A385953 | a(0) = 1; a(n) = Sum_{k=0..n-1} binomial(k+4,4) * a(k) * a(n-1-k). | [
"1",
"1",
"6",
"101",
"3756",
"271256",
"34761512",
"7372486163",
"2448035959989",
"1216747945481685",
"872431867857009866",
"875060598719254613963",
"1196215918953589596769516",
"2179513438308809548333358500",
"5191611931593198935913809439220",
"15896735560092998091331427433546666"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A088716",
"A351798",
"A385946",
"A385952",
"A385953",
"A385954",
"A385955"
]
| null | Seiichi Manyama, Jul 13 2025 | 2025-07-13T11:01:25 | oeisdata/seq/A385/A385953.seq | 257bccc23157e07ba35034568042cad1 |
A385954 | a(0) = 1; a(n) = Sum_{k=0..n-1} binomial(k+5,5) * a(k) * a(n-1-k). | [
"1",
"1",
"7",
"160",
"9309",
"1193192",
"303192604",
"140697031749",
"111717191583621",
"144005113804578040",
"288587523313304535136",
"867207126292422956078756",
"3789698359352103250842742098",
"23458242467926487526255374709015",
"201037179886862036121457727887328687"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A088716",
"A351798",
"A385947",
"A385952",
"A385953",
"A385954",
"A385955"
]
| null | Seiichi Manyama, Jul 13 2025 | 2025-07-13T11:01:37 | oeisdata/seq/A385/A385954.seq | 373f69cfcce0666668f0cadeb11b3a24 |
A385955 | a(0) = 1; a(n) = Sum_{k=0..n-1} binomial(k+6,6) * a(k) * a(n-1-k). | [
"1",
"1",
"8",
"239",
"20595",
"4369086",
"2027570077",
"1877595433603",
"3225737601183428",
"9693366952072675847",
"48534731177400280613882",
"388763324236561973987746008",
"4812113062706722698140922709260",
"89341696197620005494613697916344217",
"2424197647354438894347947373843634554628"
]
| [
"nonn",
"new"
]
| 10 | 0 | 3 | [
"A088716",
"A351798",
"A385948",
"A385952",
"A385953",
"A385954",
"A385955"
]
| null | Seiichi Manyama, Jul 13 2025 | 2025-07-13T11:01:43 | oeisdata/seq/A385/A385955.seq | 3d6634035167c60d24558b57f98f0464 |
A385957 | Prime(n) is the a(n)-th prime having its distinct digits. | [
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"1",
"2",
"2",
"1",
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"1",
"2",
"1",
"1",
"1",
"1",
"3",
"1",
"4",
"1",
"1",
"1",
"1",
"1",
"1",
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"2",
"1",
"1",
"2",
"2",
"2",
"3",
"1",
"2",
"1",
"2",
"3",
"1",
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"1",
"1",
"1",
"1",
"2",
"2",
"1",
"1",
"2",
"1",
"5",
"6",
"3",
"7",
"3",
"1",
"1",
"2",
"1",
"1",
"4",
"1",
"2",
"1",
"2",
"1",
"1",
"2",
"2",
"1",
"2",
"2",
"3",
"1",
"1"
]
| [
"nonn",
"easy",
"base",
"look",
"new"
]
| 20 | 1 | 11 | [
"A086066",
"A254524",
"A385776",
"A385957"
]
| null | David A. Corneth, Jul 13 2025 | 2025-07-13T11:36:07 | oeisdata/seq/A385/A385957.seq | 85f39b53870839020a3776f89dabac17 |
A385960 | Decimal expansion of the absolute value of the coefficient [x^2] Gamma(x). | [
"9",
"0",
"7",
"4",
"7",
"9",
"0",
"7",
"6",
"0",
"8",
"0",
"8",
"8",
"6",
"2",
"8",
"9",
"0",
"1",
"6",
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"0",
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"1",
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"4",
"0",
"5",
"0",
"4",
"6",
"5",
"1",
"8",
"2",
"3",
"7",
"2",
"2",
"3",
"0",
"6",
"9",
"3",
"9",
"8",
"3",
"8",
"7",
"5",
"2",
"7",
"4",
"1",
"1",
"3",
"6",
"2",
"9",
"7",
"7",
"2",
"1",
"6",
"8",
"2",
"1"
]
| [
"nonn",
"cons",
"new"
]
| 14 | 0 | 1 | [
"A090998",
"A385960",
"A385961",
"A385962"
]
| null | R. J. Mathar, Jul 13 2025 | 2025-07-15T05:44:32 | oeisdata/seq/A385/A385960.seq | aeac70c9d9fed53cb23e9a4f41e16814 |
A385961 | Decimal expansion of the value of the coefficient [x^3] Gamma(x). | [
"9",
"8",
"1",
"7",
"2",
"8",
"0",
"8",
"6",
"8",
"3",
"4",
"4",
"0",
"0",
"1",
"8",
"7",
"3",
"3",
"6",
"3",
"8",
"0",
"2",
"9",
"4",
"0",
"2",
"1",
"8",
"5",
"0",
"8",
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"5",
"5",
"9",
"3",
"8",
"5",
"6",
"8",
"3",
"9",
"2",
"4",
"8",
"6",
"9",
"3",
"4",
"5",
"0",
"9",
"4",
"1",
"0",
"5",
"9",
"7",
"7",
"0",
"5",
"1",
"8",
"7",
"5",
"7",
"0",
"6",
"5",
"9",
"5",
"5",
"8",
"8",
"5",
"0",
"6",
"7",
"0",
"4",
"3",
"6",
"8",
"2"
]
| [
"nonn",
"cons",
"new"
]
| 11 | 0 | 1 | [
"A090998",
"A385960",
"A385961",
"A385962"
]
| null | R. J. Mathar, Jul 13 2025 | 2025-07-15T05:45:49 | oeisdata/seq/A385/A385961.seq | ac61b501ea40889b4cf0b7d79be6e16c |
A385962 | Decimal expansion of the absolute value of the coefficient [x^4] Gamma(x). | [
"9",
"8",
"1",
"9",
"9",
"5",
"0",
"6",
"8",
"9",
"0",
"3",
"1",
"4",
"5",
"2",
"0",
"2",
"1",
"0",
"4",
"7",
"0",
"1",
"4",
"1",
"3",
"7",
"9",
"1",
"3",
"7",
"4",
"6",
"7",
"5",
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"1",
"9",
"8",
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"3",
"0",
"4",
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"9",
"9",
"6",
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"1",
"9",
"0",
"4",
"8",
"8",
"0",
"0",
"6",
"3",
"6",
"4",
"9",
"6",
"4",
"0",
"5",
"0",
"0",
"4",
"4",
"6",
"9",
"5",
"9",
"4",
"0",
"5",
"1",
"0",
"2",
"3",
"4",
"7",
"4",
"6",
"8",
"2",
"0",
"6",
"6",
"3",
"2",
"3",
"3",
"2",
"1",
"2",
"5",
"9",
"4",
"6"
]
| [
"nonn",
"cons",
"new"
]
| 10 | 0 | 1 | [
"A090998",
"A385960",
"A385961",
"A385962"
]
| null | R. J. Mathar, Jul 13 2025 | 2025-07-15T05:46:46 | oeisdata/seq/A385/A385962.seq | 414f21bac49dbe65d06ab5f194ee6795 |
A385963 | a(n) is the maximum number of distinct positive integers whose sum of squares is equal to n^2. | [
"0",
"1",
"1",
"1",
"1",
"2",
"1",
"3",
"1",
"4",
"5",
"5",
"5",
"6",
"7",
"7",
"7",
"8",
"8",
"9",
"9",
"9",
"9",
"11",
"10",
"11",
"11",
"11",
"11",
"11",
"13",
"12",
"12",
"13",
"14",
"13",
"14",
"14",
"15",
"15",
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"17",
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"19",
"20",
"21",
"21",
"21",
"21",
"22",
"22",
"22",
"22",
"23",
"22",
"24",
"24",
"24",
"24",
"24",
"25"
]
| [
"nonn",
"new"
]
| 18 | 0 | 6 | [
"A001032",
"A030273",
"A385963"
]
| null | Gonzalo Martínez, Jul 13 2025 | 2025-07-18T19:50:53 | oeisdata/seq/A385/A385963.seq | 0065de0ce34ca3022c6a116dcecff100 |
A385965 | Decimal expansion of the absolute value of the coefficient [x^4] 1/Gamma(x). | [
"0",
"4",
"2",
"0",
"0",
"2",
"6",
"3",
"5",
"0",
"3",
"4",
"0",
"9",
"5",
"2",
"3",
"5",
"5",
"2",
"9",
"0",
"0",
"3",
"9",
"3",
"4",
"8",
"7",
"5",
"4",
"2",
"9",
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"1",
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"7",
"1",
"1",
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"2",
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"6",
"5",
"8",
"1",
"2",
"9",
"7",
"6",
"1",
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"0",
"0",
"9",
"6",
"8",
"7",
"5",
"9",
"7",
"5",
"9",
"8",
"8",
"5",
"4",
"7",
"1",
"0",
"7",
"7",
"0",
"1",
"2",
"9",
"4",
"7",
"8",
"7",
"7",
"1",
"3",
"2",
"3",
"3",
"5",
"3",
"2",
"0",
"0",
"0",
"2",
"2",
"2",
"0",
"0",
"0",
"0",
"1",
"8"
]
| [
"nonn",
"cons",
"new"
]
| 14 | 0 | 2 | [
"A001620",
"A070860",
"A385965",
"A385966"
]
| null | R. J. Mathar, Jul 13 2025 | 2025-07-15T05:47:38 | oeisdata/seq/A385/A385965.seq | 69b8f76b8bf7e7b5d62fecb621f7ecf3 |
A385966 | Decimal expansion of the value of the coefficient [x^5] 1/Gamma(x). | [
"1",
"6",
"6",
"5",
"3",
"8",
"6",
"1",
"1",
"3",
"8",
"2",
"2",
"9",
"1",
"4",
"8",
"9",
"5",
"0",
"1",
"7",
"0",
"0",
"7",
"9",
"5",
"1",
"0",
"2",
"1",
"0",
"5",
"2",
"3",
"5",
"7",
"1",
"7",
"7",
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"1",
"5",
"0",
"2",
"2",
"4",
"7",
"1",
"7",
"4",
"3",
"4",
"0",
"5",
"7",
"0",
"4",
"6",
"8",
"9",
"0",
"3",
"1",
"7",
"8",
"9",
"9",
"3",
"8",
"6",
"6",
"0",
"5",
"6",
"4",
"7",
"4",
"2",
"4",
"8",
"3",
"1",
"9",
"4",
"7",
"1",
"9",
"1",
"4",
"6",
"5",
"8",
"0",
"4",
"1",
"6",
"2",
"6",
"6",
"2",
"3",
"9",
"5",
"5",
"9",
"3",
"4",
"0",
"5",
"1",
"2",
"8"
]
| [
"nonn",
"cons",
"new"
]
| 16 | 0 | 2 | [
"A001620",
"A070860",
"A385965",
"A385966"
]
| null | R. J. Mathar, Jul 13 2025 | 2025-07-15T05:48:16 | oeisdata/seq/A385/A385966.seq | 8707133ea75e7838e97bbaefadd0ee04 |
A385968 | Triprimes that are concatenations of three consecutive primes, and whose prime factors sum to a prime. | [
"199211223",
"331337347",
"367373379",
"487491499",
"653659661",
"859863877",
"102110311033",
"106910871091",
"111711231129",
"112911511153",
"130313071319",
"143914471451",
"165716631667",
"178918011811",
"214321532161",
"226722692273",
"246724732477",
"274127492753",
"274927532767",
"284328512857",
"330133073313",
"362336313637"
]
| [
"nonn",
"base",
"new"
]
| 7 | 1 | 1 | [
"A107707",
"A383114",
"A385968"
]
| null | Will Gosnell and Robert Israel, Jul 13 2025 | 2025-07-14T10:03:57 | oeisdata/seq/A385/A385968.seq | 911c3cf69c960c7cea0825caace87faa |
A385972 | The long legs of the triangles defined in A365577. | [
"4",
"24",
"480",
"130560",
"8589803520",
"36893488138829168640",
"680564733841876926889855726716117319680",
"231584178474632390847141970017375815705859404597439251151988418800962722856960"
]
| [
"nonn",
"easy",
"new"
]
| 4 | 1 | 1 | [
"A365577",
"A385972",
"A385973"
]
| null | Miguel-Ángel Pérez García-Ortega, Jul 13 2025 | 2025-07-13T18:02:33 | oeisdata/seq/A385/A385972.seq | 0a2f73d50588b769ef21bc608fa17e08 |
A385973 | The hypotenuses of the triangles defined in A365577. | [
"5",
"25",
"481",
"130561",
"8589803521",
"36893488138829168641",
"680564733841876926889855726716117319681",
"231584178474632390847141970017375815705859404597439251151988418800962722856961"
]
| [
"nonn",
"easy",
"new"
]
| 8 | 1 | 1 | [
"A365577",
"A385972",
"A385973"
]
| null | Miguel-Ángel Pérez García-Ortega, Jul 13 2025 | 2025-07-14T10:04:07 | oeisdata/seq/A385/A385973.seq | fc2ac0f17239f1dcba3de8c61bedd60f |
A385977 | Length of the long leg of the triangles defined in A377725. | [
"4",
"112",
"3444",
"114720",
"3883684",
"131852560",
"4478648724",
"152139554112",
"5168250745924",
"175568295786160",
"5964153281301684",
"202605640210401120",
"6882627596048598244",
"233806732521557580112",
"7942546277531426709204",
"269812766700017940393600",
"9165691521502509968254084"
]
| [
"nonn",
"easy",
"new"
]
| 3 | 1 | 1 | [
"A002315",
"A377725",
"A385977"
]
| null | Sean A. Irvine, Jul 13 2025 | 2025-07-13T21:53:04 | oeisdata/seq/A385/A385977.seq | 2392e449d85d9ce266372fd0e07630fb |
A385979 | a(0) = 1; a(n) = Sum_{k=0..n-1} (k+1) * binomial(k+2,2) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"7",
"145",
"6449",
"522096",
"69506737",
"14186121706",
"4212887224905",
"1747635451186240",
"979909591959562571",
"722787600597422326704",
"685585597413868516073953",
"820283211774547803576454720",
"1217648676024408903145299884925",
"2210504358495882876855897821031376"
]
| [
"nonn",
"new"
]
| 10 | 0 | 3 | [
"A000272",
"A156326",
"A385979",
"A385980",
"A385981",
"A385982"
]
| null | Seiichi Manyama, Jul 14 2025 | 2025-07-14T10:02:58 | oeisdata/seq/A385/A385979.seq | fb712147c16d8dbf7c68b40a2c876004 |
A385980 | a(0) = 1; a(n) = Sum_{k=0..n-1} (k+1) * binomial(k+3,3) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"9",
"295",
"24921",
"4504516",
"1543745107",
"919392117722",
"890353538984905",
"1330464112593541120",
"2940642877993896450701",
"9284167814032856189142864",
"40666099850492306669400356041",
"241073945237343019120798232332320",
"1893421587381601800604423881821405775"
]
| [
"nonn",
"new"
]
| 9 | 0 | 3 | [
"A000272",
"A156326",
"A385946",
"A385952",
"A385979",
"A385980",
"A385981",
"A385982"
]
| null | Seiichi Manyama, Jul 14 2025 | 2025-07-14T10:02:55 | oeisdata/seq/A385/A385980.seq | a27f1f42ecdb8124fdf50ceb4e6a668d |
A385981 | a(0) = 1; a(n) = Sum_{k=0..n-1} (k+1) * binomial(k+4,4) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"11",
"526",
"75981",
"27017601",
"20599793857",
"30432196412318",
"80590529100023889",
"359767027014797719000",
"2575966649397129017224661",
"28392489655027195386265889544",
"465411261102140455922541427819489",
"11017701081052339904298545720453122836",
"367264434033142995461894471693185212854475"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A000272",
"A156326",
"A385979",
"A385980",
"A385981",
"A385982"
]
| null | Seiichi Manyama, Jul 14 2025 | 2025-07-14T10:02:48 | oeisdata/seq/A385/A385981.seq | b7f2ea3b782927623e7fd83b6ad554ae |
A385982 | a(0) = 1; a(n) = Sum_{k=0..n-1} (k+1) * binomial(k+5,5) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"13",
"856",
"195525",
"124248221",
"188647130983",
"611439299390984",
"3879035706651051809",
"44966039381652540837592",
"900671755790709615794856671",
"29761825253146859538914816137428",
"1560353636451919718380582807368070417",
"125541398272463750591414559674298911706684"
]
| [
"nonn",
"new"
]
| 8 | 0 | 3 | [
"A000272",
"A156326",
"A385979",
"A385980",
"A385981",
"A385982"
]
| null | Seiichi Manyama, Jul 14 2025 | 2025-07-14T10:01:10 | oeisdata/seq/A385/A385982.seq | d1e0a70859e7e6a01193f76b6b0bbecd |
A385983 | a(0) = 1; a(n) = Sum_{k=0..n-1} 3^k * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"4",
"46",
"1432",
"123808",
"30876832",
"22731703408",
"49898049707776",
"327831911519538304",
"6455998409280026369536",
"381291302353791118798096384",
"67549186687935750257213597283328",
"35899285521583612190120694413539704832",
"57235559192922896714567337515980987820597248"
]
| [
"nonn",
"new"
]
| 9 | 0 | 3 | [
"A000142",
"A126444",
"A155585",
"A385983",
"A385984"
]
| null | Seiichi Manyama, Jul 14 2025 | 2025-07-14T10:03:35 | oeisdata/seq/A385/A385983.seq | 7c93f95578e32c7066b68af4c10a3906 |
A385984 | a(0) = 1; a(n) = Sum_{k=0..n-1} (-2)^k * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"1",
"-1",
"-9",
"57",
"1353",
"-38313",
"-2796417",
"339169041",
"90178580529",
"-45316930884849",
"-46917802526957721",
"95533688640942728073",
"392558870984301366092217",
"-3210372581644929567134113497",
"-52647023496165910533698485658193",
"1724296469950918188679460249845485729"
]
| [
"sign",
"new"
]
| 10 | 0 | 4 | [
"A000142",
"A126444",
"A155585",
"A385983",
"A385984"
]
| null | Seiichi Manyama, Jul 14 2025 | 2025-07-14T10:03:31 | oeisdata/seq/A385/A385984.seq | 68ad9114bea70351ad719e4e2cd41c74 |
A385985 | a(0) = 1; a(n) = Sum_{k=0..n-1} (2^k + 1) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"2",
"10",
"94",
"1514",
"40790",
"1862050",
"148965310",
"21742138970",
"5994070800710",
"3197362825740850",
"3348408098259631150",
"6941708283693589284650",
"28621208382355252313372150",
"235296246090820978083474438850",
"3862393961855717768080204865278750",
"126690441172711092666839985418516720250"
]
| [
"nonn",
"new"
]
| 9 | 0 | 2 | [
"A385617",
"A385619",
"A385985"
]
| null | Seiichi Manyama, Jul 14 2025 | 2025-07-14T10:03:22 | oeisdata/seq/A385/A385985.seq | 1e97f2954fb4a887e340edabc7dbe989 |
A385989 | a(n) is the least m > n such that 2^n and 2^m are congruent modulo n. | [
"2",
"3",
"5",
"5",
"9",
"8",
"10",
"9",
"15",
"14",
"21",
"14",
"25",
"17",
"19",
"17",
"25",
"24",
"37",
"24",
"27",
"32",
"34",
"26",
"45",
"38",
"45",
"31",
"57",
"34",
"36",
"33",
"43",
"42",
"47",
"42",
"73",
"56",
"51",
"44",
"61",
"48",
"57",
"54",
"57",
"57",
"70",
"50",
"70",
"70",
"59",
"64",
"105",
"72",
"75",
"59",
"75",
"86",
"117",
"64",
"121",
"67",
"69",
"65",
"77",
"76"
]
| [
"nonn",
"new"
]
| 10 | 1 | 1 | [
"A007733",
"A270096",
"A385989"
]
| null | Rémy Sigrist, Jul 14 2025 | 2025-07-16T14:35:43 | oeisdata/seq/A385/A385989.seq | 93e8e66a4996782fb0511468357b458b |
A385990 | a(0) = 1; a(n) = Sum_{k=0..n-1} (2^k + 3^k) * binomial(n-1,k) * a(k) * a(n-1-k). | [
"1",
"2",
"14",
"250",
"10762",
"1160726",
"334178342",
"269864173450",
"629119441422346",
"4300094237465965718",
"86926579696107616781126",
"5223854240144609158089474250",
"936213967612878042630582862931818",
"501401563584674616157299481286097996374",
"803517566423095869415868021817376896171061478"
]
| [
"nonn",
"new"
]
| 6 | 0 | 2 | [
"A385620",
"A385990"
]
| null | Seiichi Manyama, Jul 14 2025 | 2025-07-14T10:03:02 | oeisdata/seq/A385/A385990.seq | 66da4cbeb01752ee699fc4a5a9df6549 |
A385991 | a(n) is the number of distinct values among A002487(0), ..., A002487(n). | [
"1",
"2",
"2",
"3",
"3",
"4",
"4",
"4",
"4",
"5",
"5",
"6",
"6",
"6",
"6",
"6",
"6",
"6",
"6",
"7",
"7",
"8",
"8",
"8",
"8",
"8",
"8",
"8",
"8",
"8",
"8",
"8",
"8",
"9",
"9",
"10",
"10",
"11",
"11",
"12",
"12",
"12",
"12",
"13",
"13",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"14",
"15",
"15",
"15",
"15",
"16"
]
| [
"nonn",
"new"
]
| 13 | 0 | 2 | [
"A002487",
"A061069",
"A061070",
"A061071",
"A091945",
"A385991",
"A385993"
]
| null | Rémy Sigrist, Jul 14 2025 | 2025-07-17T14:30:52 | oeisdata/seq/A385/A385991.seq | da3052c63578b6a0fc00c2177d52b55b |
A385993 | a(n) is the number of distinct values appearing an odd number of times among A002487(0), ..., A002487(n). | [
"1",
"2",
"1",
"2",
"3",
"4",
"3",
"2",
"1",
"2",
"3",
"4",
"5",
"4",
"3",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"7",
"6",
"5",
"6",
"7",
"6",
"5",
"4",
"3",
"2",
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"8",
"9",
"10",
"9",
"10",
"9",
"8",
"9",
"10",
"11",
"10",
"11",
"10",
"9",
"10",
"9",
"8",
"7",
"6",
"5",
"4",
"3",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11",
"12",
"11",
"12",
"11",
"12",
"13",
"12",
"13"
]
| [
"nonn",
"new"
]
| 10 | 0 | 2 | [
"A002487",
"A004171",
"A091948",
"A385991",
"A385993"
]
| null | Rémy Sigrist, Jul 14 2025 | 2025-07-17T08:21:03 | oeisdata/seq/A385/A385993.seq | 1d43e2de46c60686fc2981d57d0cb619 |
A385995 | a(n) is the first value appearing n times in A002487. | [
"0",
"1",
"1",
"1",
"1",
"3",
"5",
"5",
"5",
"5",
"5",
"5",
"5",
"5",
"7",
"7",
"7",
"7",
"7",
"11",
"7",
"11",
"11",
"11",
"11",
"11",
"11",
"11",
"13",
"13",
"13",
"13",
"13",
"13",
"13",
"13",
"13",
"13",
"17",
"17",
"17",
"17",
"17",
"17",
"17",
"17",
"17",
"17",
"17",
"17",
"17",
"23",
"19",
"19",
"19",
"23",
"23",
"23",
"23",
"23",
"19",
"19",
"19",
"19",
"29",
"29",
"29",
"29",
"29",
"29"
]
| [
"nonn",
"new"
]
| 8 | 1 | 6 | [
"A002487",
"A385995",
"A385996"
]
| null | Rémy Sigrist, Jul 14 2025 | 2025-07-17T08:20:59 | oeisdata/seq/A385/A385995.seq | 51745deaeab7bf1d0cac9dfe6177cce7 |
A385996 | a(n) is the least k such that some value appears n times among A002487(0), ..., A002487(k). | [
"0",
"2",
"4",
"8",
"16",
"28",
"34",
"44",
"52",
"62",
"68",
"88",
"104",
"124",
"130",
"152",
"184",
"200",
"232",
"250",
"260",
"296",
"328",
"380",
"388",
"440",
"472",
"500",
"524",
"568",
"632",
"688",
"764",
"772",
"848",
"904",
"968",
"1012",
"1030",
"1064",
"1144",
"1232",
"1288",
"1424",
"1534",
"1538",
"1648",
"1784",
"1840",
"1928",
"2008",
"2038"
]
| [
"nonn",
"new"
]
| 8 | 1 | 2 | [
"A002487",
"A091948",
"A385995",
"A385996"
]
| null | Rémy Sigrist, Jul 14 2025 | 2025-07-17T08:20:56 | oeisdata/seq/A385/A385996.seq | 4ad1d2aea092310242e3b277198991d5 |
A385999 | Least k such that every group of order n embeds into a group of order k*n. | [
"1",
"1",
"1",
"2",
"1",
"2",
"1",
"4",
"3",
"2",
"1",
"12",
"1",
"2",
"1",
"16",
"1",
"12",
"1",
"8",
"3",
"2",
"1"
]
| [
"nonn",
"more",
"new"
]
| 11 | 1 | 4 | [
"A340514",
"A385999"
]
| null | Miles Englezou, Jul 14 2025 | 2025-07-19T00:39:31 | oeisdata/seq/A385/A385999.seq | 8b900000b17c14bbc9a5eb78da440d6e |
A386004 | Primes whose digit set intersects the odd digits in at most one element and intersects the even digits in at most two elements. | [
"2",
"3",
"5",
"7",
"11",
"23",
"29",
"41",
"43",
"47",
"61",
"67",
"83",
"89",
"101",
"181",
"211",
"223",
"227",
"229",
"233",
"241",
"263",
"269",
"277",
"281",
"283",
"383",
"401",
"409",
"421",
"433",
"443",
"449",
"461",
"463",
"467",
"487",
"499",
"601",
"607",
"641",
"643",
"647",
"661",
"677",
"683",
"727",
"787",
"809",
"811",
"821",
"823",
"827",
"829",
"863"
]
| [
"nonn",
"base",
"new"
]
| 23 | 1 | 1 | [
"A000040",
"A020450",
"A020457",
"A020460",
"A020469",
"A385770",
"A386004"
]
| null | Jean-Marc Rebert, Jul 14 2025 | 2025-07-16T10:13:51 | oeisdata/seq/A386/A386004.seq | 60799fa2f5cf126a3cf5c439fabd18f7 |
A386012 | a(n) = n^3*tau(n). | [
"1",
"16",
"54",
"192",
"250",
"864",
"686",
"2048",
"2187",
"4000",
"2662",
"10368",
"4394",
"10976",
"13500",
"20480",
"9826",
"34992",
"13718",
"48000",
"37044",
"42592",
"24334",
"110592",
"46875",
"70304",
"78732",
"131712",
"48778",
"216000",
"59582",
"196608",
"143748",
"157216",
"171500",
"419904",
"101306",
"219488",
"237276",
"512000"
]
| [
"nonn",
"mult",
"easy",
"new"
]
| 14 | 1 | 2 | [
"A000005",
"A001620",
"A034714",
"A038040",
"A320895",
"A372928",
"A386012"
]
| null | R. J. Mathar, Jul 14 2025 | 2025-07-15T08:27:39 | oeisdata/seq/A386/A386012.seq | d779cc4bdf7dabae356346db964b697f |
A386013 | a(n) = n^4*tau(n). | [
"1",
"32",
"162",
"768",
"1250",
"5184",
"4802",
"16384",
"19683",
"40000",
"29282",
"124416",
"57122",
"153664",
"202500",
"327680",
"167042",
"629856",
"260642",
"960000",
"777924",
"937024",
"559682",
"2654208",
"1171875",
"1827904",
"2125764",
"3687936",
"1414562",
"6480000",
"1847042",
"6291456",
"4743684",
"5345344",
"6002500",
"15116544",
"3748322",
"8340544",
"9253764",
"20480000"
]
| [
"nonn",
"mult",
"easy",
"new"
]
| 14 | 1 | 2 | [
"A000005",
"A000583",
"A001620",
"A034714",
"A038040",
"A372931",
"A386013"
]
| null | R. J. Mathar, Jul 14 2025 | 2025-07-15T08:27:33 | oeisdata/seq/A386/A386013.seq | 09180569c500c84e014084bffacb26a0 |
A386017 | Primes having only {0, 1, 2, 4} as digits. | [
"2",
"11",
"41",
"101",
"211",
"241",
"401",
"421",
"1021",
"1201",
"2011",
"2111",
"2141",
"2221",
"2411",
"2441",
"4001",
"4021",
"4111",
"4201",
"4211",
"4241",
"4421",
"4441",
"10111",
"10141",
"10211",
"11411",
"12011",
"12041",
"12101",
"12211",
"12241",
"12401",
"12421",
"14011",
"14221",
"14401",
"14411",
"20011",
"20021",
"20101",
"20201"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 8 | 1 | 1 | [
"A000040",
"A030430",
"A036953",
"A036956",
"A260266",
"A260267",
"A385776",
"A386017"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-14T21:17:53 | oeisdata/seq/A386/A386017.seq | 1e8392f634cdf1bfcb57d5228e17dbeb |
A386018 | Primes having only {0, 1, 2, 5} as digits. | [
"2",
"5",
"11",
"101",
"151",
"211",
"251",
"521",
"1021",
"1051",
"1151",
"1201",
"1511",
"2011",
"2111",
"2221",
"2251",
"2521",
"2551",
"5011",
"5021",
"5051",
"5101",
"5501",
"5521",
"10111",
"10151",
"10211",
"10501",
"11251",
"11551",
"12011",
"12101",
"12211",
"12251",
"12511",
"15101",
"15121",
"15511",
"15551",
"20011",
"20021",
"20051"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 7 | 1 | 1 | [
"A000040",
"A030430",
"A036953",
"A199325",
"A385773",
"A385776",
"A386018"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-14T21:17:49 | oeisdata/seq/A386/A386018.seq | 25c4d983411f98f2d52b0344fa187d4b |
A386019 | Primes having only {0, 1, 2, 6} as digits. | [
"2",
"11",
"61",
"101",
"211",
"601",
"661",
"1021",
"1061",
"1201",
"1601",
"1621",
"2011",
"2111",
"2161",
"2221",
"2621",
"6011",
"6101",
"6121",
"6211",
"6221",
"6661",
"10061",
"10111",
"10211",
"10601",
"11161",
"11261",
"11621",
"12011",
"12101",
"12161",
"12211",
"12601",
"12611",
"16001",
"16061",
"16111",
"16661",
"20011",
"20021"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A030430",
"A036953",
"A199326",
"A285774",
"A385776",
"A386019"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-14T21:17:45 | oeisdata/seq/A386/A386019.seq | 717dabd79d45486f2763baa9ee5a0710 |
A386020 | Primes having only {0, 1, 2, 7} as digits. | [
"2",
"7",
"11",
"17",
"71",
"101",
"107",
"127",
"211",
"227",
"271",
"277",
"701",
"727",
"1021",
"1117",
"1171",
"1201",
"1217",
"1277",
"1721",
"1777",
"2011",
"2017",
"2027",
"2111",
"2207",
"2221",
"2707",
"2711",
"2777",
"7001",
"7027",
"7121",
"7127",
"7177",
"7207",
"7211",
"7717",
"7727",
"10007",
"10111",
"10177",
"10211",
"10271",
"10711"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A036953",
"A199327",
"A260889",
"A385776",
"A386020"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-14T21:17:41 | oeisdata/seq/A386/A386020.seq | 2f23c5f93f21015a38e12dc2ae42f24a |
A386021 | Primes having only {0, 1, 2, 8} as digits. | [
"2",
"11",
"101",
"181",
"211",
"281",
"811",
"821",
"881",
"1021",
"1181",
"1201",
"1801",
"1811",
"2011",
"2081",
"2111",
"2221",
"2281",
"2801",
"8011",
"8081",
"8101",
"8111",
"8221",
"8821",
"10111",
"10181",
"10211",
"11801",
"11821",
"12011",
"12101",
"12211",
"12281",
"12821",
"18121",
"18181",
"18211",
"20011",
"20021",
"20101",
"20201"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 7 | 1 | 1 | [
"A000040",
"A030430",
"A036953",
"A061247",
"A173580",
"A385775",
"A385776",
"A386021"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-14T21:17:37 | oeisdata/seq/A386/A386021.seq | 3ba24fb104337e36dbd2d73c893f009e |
A386022 | Primes having only {0, 1, 2, 9} as digits. | [
"2",
"11",
"19",
"29",
"101",
"109",
"191",
"199",
"211",
"229",
"911",
"919",
"929",
"991",
"1009",
"1019",
"1021",
"1091",
"1109",
"1129",
"1201",
"1229",
"1291",
"1901",
"1999",
"2011",
"2029",
"2099",
"2111",
"2129",
"2221",
"2909",
"2999",
"9001",
"9011",
"9029",
"9091",
"9109",
"9199",
"9209",
"9221",
"9901",
"9929",
"10009",
"10091",
"10099"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A036953",
"A199329",
"A385776",
"A386022"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-14T21:17:33 | oeisdata/seq/A386/A386022.seq | 4b46565cda19b7ae491a52b9297686f9 |
A386023 | Primes having only {0, 1, 3, 4} as digits. | [
"3",
"11",
"13",
"31",
"41",
"43",
"101",
"103",
"113",
"131",
"311",
"313",
"331",
"401",
"431",
"433",
"443",
"1013",
"1031",
"1033",
"1103",
"1301",
"1303",
"1433",
"3001",
"3011",
"3041",
"3301",
"3313",
"3331",
"3343",
"3413",
"3433",
"4001",
"4003",
"4013",
"4111",
"4133",
"4441",
"10103",
"10111",
"10133",
"10141",
"10301",
"10303",
"10313",
"10331"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A036956",
"A199341",
"A260044",
"A260266",
"A385776",
"A386023"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-14T21:17:29 | oeisdata/seq/A386/A386023.seq | f41e495516f14e1733e6b227c08fb601 |
A386024 | Primes having only {0, 1, 3, 5} as digits. | [
"3",
"5",
"11",
"13",
"31",
"53",
"101",
"103",
"113",
"131",
"151",
"311",
"313",
"331",
"353",
"503",
"1013",
"1031",
"1033",
"1051",
"1103",
"1151",
"1153",
"1301",
"1303",
"1511",
"1531",
"1553",
"3001",
"3011",
"3301",
"3313",
"3331",
"3511",
"3533",
"5003",
"5011",
"5051",
"5101",
"5113",
"5153",
"5303",
"5333",
"5351",
"5501",
"5503",
"5531",
"10103"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 7 | 1 | 1 | [
"A000040",
"A036958",
"A199325",
"A260044",
"A260224",
"A385776",
"A386024"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-14T21:17:26 | oeisdata/seq/A386/A386024.seq | 8e5ef12f5e56ee5fe315adf4582fed32 |
A386025 | Primes having only {0, 1, 3, 7} as digits. | [
"3",
"7",
"11",
"13",
"17",
"31",
"37",
"71",
"73",
"101",
"103",
"107",
"113",
"131",
"137",
"173",
"307",
"311",
"313",
"317",
"331",
"337",
"373",
"701",
"733",
"773",
"1013",
"1031",
"1033",
"1103",
"1117",
"1171",
"1301",
"1303",
"1307",
"1373",
"1733",
"1777",
"3001",
"3011",
"3037",
"3137",
"3301",
"3307",
"3313",
"3331",
"3371",
"3373",
"3701",
"3733"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A199327",
"A260044",
"A260379",
"A385776",
"A386025"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-14T21:17:21 | oeisdata/seq/A386/A386025.seq | 27dd740ef667700d6b513a06dbe49cf9 |
A386026 | Primes having only {0, 1, 3, 9} as digits. | [
"3",
"11",
"13",
"19",
"31",
"101",
"103",
"109",
"113",
"131",
"139",
"191",
"193",
"199",
"311",
"313",
"331",
"911",
"919",
"991",
"1009",
"1013",
"1019",
"1031",
"1033",
"1039",
"1091",
"1093",
"1103",
"1109",
"1193",
"1301",
"1303",
"1319",
"1399",
"1901",
"1913",
"1931",
"1933",
"1993",
"1999",
"3001",
"3011",
"3019",
"3109",
"3119",
"3191",
"3301"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 7 | 1 | 1 | [
"A000040",
"A199329",
"A260044",
"A329761",
"A385776",
"A386026"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-14T21:17:17 | oeisdata/seq/A386/A386026.seq | 2a786cdf541207f4af44bd4bcce3a7e3 |
A386027 | Primes having only {0, 1, 4, 5} as digits. | [
"5",
"11",
"41",
"101",
"151",
"401",
"541",
"1051",
"1151",
"1451",
"1511",
"4001",
"4051",
"4111",
"4441",
"4451",
"5011",
"5051",
"5101",
"5441",
"5501",
"10111",
"10141",
"10151",
"10501",
"11411",
"11551",
"14011",
"14051",
"14401",
"14411",
"14551",
"15101",
"15401",
"15451",
"15511",
"15541",
"15551",
"40111",
"40151",
"41011",
"41051"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A030430",
"A199325",
"A260266",
"A260268",
"A385776",
"A386027"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-15T08:28:48 | oeisdata/seq/A386/A386027.seq | 7509b4ccb7aa452e2b5bbec4bc058c77 |
A386028 | Primes having only {0, 1, 4, 6} as digits. | [
"11",
"41",
"61",
"101",
"401",
"461",
"601",
"641",
"661",
"1061",
"1601",
"4001",
"4111",
"4441",
"6011",
"6101",
"6661",
"10061",
"10111",
"10141",
"10601",
"11161",
"11411",
"14011",
"14401",
"14411",
"14461",
"16001",
"16061",
"16111",
"16141",
"16411",
"16661",
"40111",
"41011",
"41141",
"41161",
"41411",
"41611",
"41641",
"44041",
"44101"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A030430",
"A199326",
"A260266",
"A260269",
"A385776",
"A386028"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-15T08:28:39 | oeisdata/seq/A386/A386028.seq | 1e3e3433438df064246496f0b2edff00 |
A386029 | Primes having only {0, 1, 4, 7} as digits. | [
"7",
"11",
"17",
"41",
"47",
"71",
"101",
"107",
"401",
"701",
"1117",
"1171",
"1447",
"1471",
"1741",
"1747",
"1777",
"4001",
"4007",
"4111",
"4177",
"4441",
"4447",
"7001",
"7177",
"7411",
"7417",
"7477",
"7717",
"7741",
"10007",
"10111",
"10141",
"10177",
"10477",
"10711",
"10771",
"11047",
"11071",
"11117",
"11171",
"11177",
"11411",
"11447"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A079651",
"A199327",
"A260266",
"A385776",
"A386029"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-15T08:28:35 | oeisdata/seq/A386/A386029.seq | 551cc1db268753faa12a88ac50ca9e35 |
A386030 | Primes having only {0, 1, 4, 8} as digits. | [
"11",
"41",
"101",
"181",
"401",
"811",
"881",
"1181",
"1481",
"1801",
"1811",
"4001",
"4111",
"4441",
"4481",
"4801",
"8011",
"8081",
"8101",
"8111",
"10111",
"10141",
"10181",
"11411",
"11801",
"14011",
"14081",
"14401",
"14411",
"18041",
"18181",
"18401",
"18481",
"40111",
"40801",
"40841",
"41011",
"41081",
"41141",
"41411",
"41801",
"44041"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A030430",
"A061247",
"A260266",
"A260270",
"A385776",
"A386030"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-15T08:28:31 | oeisdata/seq/A386/A386030.seq | 980ee2cccafeb3c835bb05011077a91e |
A386031 | Primes having only {0, 1, 5, 6} as digits. | [
"5",
"11",
"61",
"101",
"151",
"601",
"661",
"1051",
"1061",
"1151",
"1511",
"1601",
"5011",
"5051",
"5101",
"5501",
"5651",
"6011",
"6101",
"6151",
"6551",
"6661",
"10061",
"10111",
"10151",
"10501",
"10601",
"10651",
"11161",
"11551",
"15061",
"15101",
"15161",
"15511",
"15551",
"15601",
"15661",
"16001",
"16061",
"16111",
"16561",
"16651"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 7 | 1 | 1 | [
"A000040",
"A030430",
"A199325",
"A199326",
"A385776",
"A385779",
"A386031"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-15T08:28:27 | oeisdata/seq/A386/A386031.seq | 6f2db8b0771801fb4f74e62ca1aa1b55 |
A386032 | Primes having only {0, 1, 5, 7} as digits. | [
"5",
"7",
"11",
"17",
"71",
"101",
"107",
"151",
"157",
"557",
"571",
"577",
"701",
"751",
"757",
"1051",
"1117",
"1151",
"1171",
"1511",
"1571",
"1777",
"5011",
"5051",
"5077",
"5101",
"5107",
"5171",
"5501",
"5507",
"5557",
"5701",
"5711",
"5717",
"7001",
"7057",
"7151",
"7177",
"7507",
"7517",
"7577",
"7717",
"7757",
"10007",
"10111",
"10151",
"10177"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A199325",
"A199327",
"A260828",
"A385776",
"A386032"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-15T08:28:23 | oeisdata/seq/A386/A386032.seq | df3f1a0e887a0601d86ca43d0d687e16 |
A386033 | Primes having only {0, 1, 5, 8} as digits. | [
"5",
"11",
"101",
"151",
"181",
"811",
"881",
"1051",
"1151",
"1181",
"1511",
"1801",
"1811",
"5011",
"5051",
"5081",
"5101",
"5501",
"5581",
"5801",
"5851",
"5881",
"8011",
"8081",
"8101",
"8111",
"8501",
"8581",
"10111",
"10151",
"10181",
"10501",
"11551",
"11801",
"15101",
"15511",
"15551",
"15581",
"15881",
"18181",
"50051",
"50101",
"50111"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A030430",
"A061247",
"A199325",
"A385776",
"A385780",
"A386033"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-15T08:28:19 | oeisdata/seq/A386/A386033.seq | ee7a5ba4d8e9742cff94812aa2946870 |
A386034 | Primes having only {0, 1, 5, 9} as digits. | [
"5",
"11",
"19",
"59",
"101",
"109",
"151",
"191",
"199",
"509",
"599",
"911",
"919",
"991",
"1009",
"1019",
"1051",
"1091",
"1109",
"1151",
"1511",
"1559",
"1901",
"1951",
"1999",
"5009",
"5011",
"5051",
"5059",
"5099",
"5101",
"5119",
"5501",
"5519",
"5591",
"9001",
"9011",
"9059",
"9091",
"9109",
"9151",
"9199",
"9511",
"9551",
"9901",
"10009",
"10091"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A199325",
"A199329",
"A385776",
"A385781",
"A386034"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-15T08:28:14 | oeisdata/seq/A386/A386034.seq | c59b31eadd75cacfbb36e4541a0c8e93 |
A386035 | Primes having only {0, 1, 6, 7} as digits. | [
"7",
"11",
"17",
"61",
"67",
"71",
"101",
"107",
"167",
"601",
"607",
"617",
"661",
"677",
"701",
"761",
"1061",
"1117",
"1171",
"1601",
"1607",
"1667",
"1777",
"6007",
"6011",
"6067",
"6101",
"6607",
"6661",
"6701",
"6761",
"7001",
"7177",
"7607",
"7717",
"10007",
"10061",
"10067",
"10111",
"10177",
"10601",
"10607",
"10667",
"10711",
"10771",
"11071"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A199325",
"A199326",
"A260891",
"A385776",
"A386035"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-15T08:28:09 | oeisdata/seq/A386/A386035.seq | e82a4a05eae6e3139ce2db81938c32e2 |
A386036 | Primes having only {0, 1, 6, 8} as digits. | [
"11",
"61",
"101",
"181",
"601",
"661",
"811",
"881",
"1061",
"1181",
"1601",
"1801",
"1811",
"1861",
"6011",
"6101",
"6661",
"8011",
"8081",
"8101",
"8111",
"8161",
"8681",
"8861",
"10061",
"10111",
"10181",
"10601",
"10861",
"11161",
"11681",
"11801",
"16001",
"16061",
"16111",
"16661",
"16811",
"18061",
"18181",
"18661",
"60101",
"60161"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A030430",
"A061247",
"A199326",
"A385776",
"A385782",
"A386036"
]
| null | Jason Bard, Jul 14 2025 | 2025-07-15T08:28:05 | oeisdata/seq/A386/A386036.seq | 805304c8d46f24d59f6ab0c00c47a9e1 |
A386037 | Primes having only {0, 1, 6, 9} as digits. | [
"11",
"19",
"61",
"101",
"109",
"191",
"199",
"601",
"619",
"661",
"691",
"911",
"919",
"991",
"1009",
"1019",
"1061",
"1069",
"1091",
"1109",
"1601",
"1609",
"1619",
"1669",
"1699",
"1901",
"1999",
"6011",
"6091",
"6101",
"6199",
"6619",
"6661",
"6691",
"6911",
"6961",
"6991",
"9001",
"9011",
"9091",
"9109",
"9161",
"9199",
"9601",
"9619",
"9661",
"9901"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 8 | 1 | 1 | [
"A000040",
"A199326",
"A199329",
"A363023",
"A385776",
"A386037"
]
| null | Jason Bard, Jul 15 2025 | 2025-07-15T18:09:39 | oeisdata/seq/A386/A386037.seq | 66e40b4a5c318440814f77cc86604314 |
A386038 | Primes having only {0, 1, 7, 8} as digits. | [
"7",
"11",
"17",
"71",
"101",
"107",
"181",
"701",
"787",
"811",
"877",
"881",
"887",
"1087",
"1117",
"1171",
"1181",
"1187",
"1777",
"1787",
"1801",
"1811",
"1871",
"1877",
"7001",
"7177",
"7187",
"7717",
"7817",
"7877",
"8011",
"8017",
"8081",
"8087",
"8101",
"8111",
"8117",
"8171",
"8707",
"8807",
"8887",
"10007",
"10111",
"10177",
"10181",
"10711"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A061247",
"A199327",
"A260892",
"A385776",
"A386038"
]
| null | Jason Bard, Jul 15 2025 | 2025-07-15T18:03:58 | oeisdata/seq/A386/A386038.seq | 55348bd563305eea00eff74749768ae1 |
A386039 | Primes having only {0, 1, 7, 9} as digits. | [
"7",
"11",
"17",
"19",
"71",
"79",
"97",
"101",
"107",
"109",
"179",
"191",
"197",
"199",
"701",
"709",
"719",
"797",
"907",
"911",
"919",
"971",
"977",
"991",
"997",
"1009",
"1019",
"1091",
"1097",
"1109",
"1117",
"1171",
"1709",
"1777",
"1901",
"1907",
"1979",
"1997",
"1999",
"7001",
"7019",
"7079",
"7109",
"7177",
"7717",
"7901",
"7907",
"7919",
"9001"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A199327",
"A199329",
"A260893",
"A385776",
"A386039"
]
| null | Jason Bard, Jul 15 2025 | 2025-07-15T18:03:53 | oeisdata/seq/A386/A386039.seq | 67f1536f1fef978809a8cee32c450c3a |
A386040 | Primes having only {0, 1, 8, 9} as digits. | [
"11",
"19",
"89",
"101",
"109",
"181",
"191",
"199",
"809",
"811",
"881",
"911",
"919",
"991",
"1009",
"1019",
"1091",
"1109",
"1181",
"1801",
"1811",
"1889",
"1901",
"1999",
"8009",
"8011",
"8081",
"8089",
"8101",
"8111",
"8191",
"8819",
"8999",
"9001",
"9011",
"9091",
"9109",
"9181",
"9199",
"9811",
"9901",
"10009",
"10091",
"10099",
"10111",
"10181"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A061247",
"A199329",
"A385776",
"A385783",
"A386040"
]
| null | Jason Bard, Jul 15 2025 | 2025-07-15T18:03:48 | oeisdata/seq/A386/A386040.seq | 41380758284595b0950cb47e02c2d717 |
A386041 | Primes having only {0, 2, 3, 4} as digits. | [
"2",
"3",
"23",
"43",
"223",
"233",
"433",
"443",
"2003",
"2203",
"2243",
"2333",
"2423",
"3023",
"3203",
"3323",
"3343",
"3433",
"4003",
"4243",
"4423",
"20023",
"20233",
"20323",
"20333",
"20443",
"22003",
"22303",
"22343",
"22433",
"23003",
"23203",
"23333",
"24023",
"24043",
"24203",
"24223",
"24443",
"30203",
"30223",
"30323",
"30403",
"32003"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A030431",
"A199342",
"A260125",
"A385776",
"A386041"
]
| null | Jason Bard, Jul 15 2025 | 2025-07-15T18:04:45 | oeisdata/seq/A386/A386041.seq | 2e78ac54dc92280571a646d4be5d45ab |
A386042 | Primes having only {0, 2, 3, 5} as digits. | [
"2",
"3",
"5",
"23",
"53",
"223",
"233",
"353",
"503",
"523",
"2003",
"2053",
"2203",
"2333",
"2503",
"3023",
"3203",
"3253",
"3323",
"3533",
"5003",
"5023",
"5233",
"5303",
"5323",
"5333",
"5503",
"20023",
"20233",
"20323",
"20333",
"20353",
"20533",
"22003",
"22303",
"23003",
"23053",
"23203",
"23333",
"25033",
"25253",
"25303",
"25523",
"30203"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A030431",
"A214703",
"A260125",
"A385776",
"A386042"
]
| null | Jason Bard, Jul 15 2025 | 2025-07-15T18:06:33 | oeisdata/seq/A386/A386042.seq | dfdd025dc3214bd70d678a8e490b4e22 |
A386043 | Primes having only {0, 2, 3, 6} as digits. | [
"2",
"3",
"23",
"223",
"233",
"263",
"2003",
"2063",
"2203",
"2333",
"2633",
"2663",
"3023",
"3203",
"3323",
"3623",
"6203",
"6263",
"6323",
"20023",
"20063",
"20233",
"20323",
"20333",
"20663",
"22003",
"22063",
"22303",
"23003",
"23063",
"23203",
"23333",
"23603",
"23623",
"23633",
"23663",
"26003",
"26203",
"26263",
"26633",
"30203",
"30223"
]
| [
"nonn",
"base",
"easy",
"new"
]
| 6 | 1 | 1 | [
"A000040",
"A030431",
"A260125",
"A260126",
"A385776",
"A386043"
]
| null | Jason Bard, Jul 15 2025 | 2025-07-15T18:06:29 | oeisdata/seq/A386/A386043.seq | 3d7ae174545bc959f02050a1c65bc5f7 |
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