Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A066820
[ 1, 2, 4, 6, 6, 10, 14, 16, 20, 24, 26, 25, 36, 40, 48, 54, 56, 60, 66, 74, 84, 90, 94, 110, 116, 120, 124, 126, 98, 130, 134, 146, 150, 156, 160, 170, 176, 180, 184, 150, 204, 206, 210, 192, 224, 230, 236, 240, 250, 256, 260, 264, 270, 280, 284, 300, 306, 314, 326 ]
[ "nonn" ]
A203219
[ 1, 4, 25, 209, 6570, 247394, 22594350, 4188338350, 1447419327947 ]
[ "nonn" ]
A185920
[ 3516, 158806, 7232034, 328811578, 14927163064, 678146728482, 30800191295066, 1399014564276542, 63544539466260460, 2886280358846258700, 131098386145980060000, 5.954655860333221e+21, 2.7046795845446547e+23 ]
[ "nonn" ]
A046369
[ 8, 12, 18, 20, 27, 28, 30, 42, 44, 45, 50, 63, 66, 70, 75, 98, 99, 105, 110, 125, 147, 154, 165, 175, 231, 242, 245, 275, 343, 363, 385, 404, 524, 539, 604, 605, 606, 724, 764, 786, 847, 906, 909, 1010, 1086, 1146, 1179, 1252, 1310, 1331, 1359, 1412, 1414 ]
[ "nonn", "base" ]
A105702
[ 3, 8, 13, 18, 23, 35, 32, 37, 42, 47, 51, 56, 61, 66, 94, 75, 80, 85, 90, 102, 99, 104, 109, 114, 118, 123, 128, 133, 161, 142, 147, 152, 157, 166, 166, 171, 176, 184, 185, 190, 195, 200, 215, 209, 214, 219, 224, 233, 233, 238, 243, 251, 252, 257, 262, 267, 283 ]
[ "nonn", "base" ]
A179108
[ 2, 46, 109, 5234, 8158, 720114, 28187351, 110781386, 154319269, 384242766, 390620082, 3790689201, 65589428378 ]
[ "more", "nonn" ]
A049804
[ 0, 0, 0, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 2, 4, 6, 4, 6, 8, 10, 8, 10, 12, 14, 12, 14, 16, 18, 0, 2, 4, 6, 4, 6, 8, 10, 8, 10, 12, 14, 12, 14, 16, 18, 0, 2, 4, 6, 4, 6, 8, 10, 8, 10, 12, 14, 12, 14, 16, 18, 0, 3, 6, 9, 8, 11, 14, 17, 16, 19, 22 ]
[ "nonn" ]
A010445
[ 0, 1, 4, 9, 16, 21, 25, 28, 36, 37, 49, 57, 60, 64, 72, 81 ]
[ "nonn", "fini", "full", "easy" ]
A307812
[ 1, 6, 15, 465, 666, 23436, 93528, 198765, 664128, 1493856, 1786995, 2767128, 2953665, 18292176, 23891328, 44655975, 169878528, 787667895, 859984128, 1934948736, 3333238776, 97844944896, 237295393965, 292957233975, 379244291328, 175847359339575, 12999674534178816 ]
[ "base", "nonn" ]
A147267
[ 1, 1, 1, 1, 1, 1, 1, 3, 27, 51, 87, 231, 993, 2999, 11701, 48597, 296399, 1545465, 9380053, 56658941, 454413807 ]
[ "nonn" ]
A374331
[ 6, 717, 989, 13231, 15251, 15751, 18281, 19291, 31613, 34043, 35653, 37073, 37673, 38383, 38683, 97079, 98789, 99899, 1115111, 1226221, 1794971, 3525253, 3755573, 3782873, 104646401, 114202411, 127888721, 133707331, 134010431, 137181731, 138050831, 146828641, 157494751, 157585751, 161555161 ]
[ "nonn", "base" ]
A269359
[ 1, 3, 2, 9, 6, 5, 26, 11, 4, 27, 8, 65, 66, 25, 16, 15, 120, 71, 36, 169, 76, 33, 74, 41, 14, 7, 10, 81, 86, 185, 206, 215, 22, 195, 50, 19, 330, 515, 196, 75, 24, 337, 186, 49, 46, 45, 348, 247, 44, 35, 358, 213, 116, 353, 290, 143, 106, 507, 536, 295, 1266, 1345, 226, 99, 12, 13, 512, 2321, 220, 123, 18, 1285, 306, 23, 40, 21 ]
[ "nonn" ]
A373673
[ 1, 7, 11, 13, 16, 19, 23, 25, 27, 29, 31, 37, 41, 43, 47, 49, 53, 59, 61, 64, 67, 71, 73, 79, 81, 83, 89, 97, 101, 103, 107, 109, 113, 121, 125, 127, 131, 137, 139, 149, 151, 157, 163, 167, 169, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239 ]
[ "nonn" ]
A160958
[ 1, 2, 67, 260, 4741, 25862, 350407, 2330120, 26735881, 200269322, 2084899147, 16786765580, 164922177421, 1387410586382, 13164918350287, 113736703642640, 1056863263353361, 9279138856193042, 85140663303647820, 754867074547457300 ]
[ "nonn", "easy" ]
A329881
[ 4032, 13104, 58032, 69648, 237744, 278592, 365652, 1114368, 15333552, 71319552, 245364912, 981465264, 1141112832, 4564451328, 873139150710, 4020089387184 ]
[ "nonn", "more" ]
A319609
[ 0, 1, 2, 3, 5, 170, 4095, 4097, 8194, 12291, 20485, 21845, 696490, 699050, 16777215, 16777217, 16781313, 16785409, 16789505, 33554434, 33558530, 33562626, 33566722, 50331651, 50335747, 50339843, 50343939, 83886085, 83906565, 89458005, 89478485 ]
[ "nonn", "base" ]
A163112
[ 16033, 16787, 18013, 23719, 24281, 29101, 32749, 33247, 33679, 33997, 37747, 38501, 40063, 40387, 42533, 42611, 44417, 46957, 51109, 51383, 53479, 54217, 55291, 55763, 56333, 56569, 58271, 58511, 58831, 59833, 61441, 61781, 62273, 66137, 66271, 69593, 69623 ]
[ "nonn" ]
A131632
[ 1, 1, 1, 3, 1, 4, 1, 15, 1, 21, 60, 1, 63, 105, 1, 92, 448, 1, 255, 2016, 1, 385, 4980, 12600, 1, 1023, 15675, 27720, 1, 1585, 61644, 138600, 1, 4095, 155155, 643500, 1, 6475, 482573, 4408404, 1, 16383, 1733550, 12687675, 37837800, 1, 26332, 4549808, 60780720 ]
[ "nonn", "tabf" ]
A007777
[ 1, 2, 4, 6, 10, 14, 20, 24, 30, 36, 44, 48, 60, 60, 62, 72, 82, 88, 96, 112, 120, 120, 136, 148, 164, 152, 154, 148, 162, 176, 190, 196, 210, 216, 224, 228, 248, 272, 284, 296, 300, 296, 320, 332, 356, 356, 376, 400, 416, 380, 382, 376, 382, 356, 374, 392, 410 ]
[ "nonn", "easy", "nice" ]
A113152
[ 2, 79, 1217, 2879, 7121, 152879, 178897, 12781103, 24233953, 25553183, 29147633, 70852367, 1800921329, 3205490207, 6270364129, 30533756207, 39265770209, 52240479791, 68933130209, 73192853807, 74570506193, 78996293183 ]
[ "nonn" ]
A291875
[ 1, -1, -1, -1, -2, -3, -6, -10, -19, -34, -63, -115, -213, -391, -723, -1333, -2463, -4547, -8403, -15522, -28686, -53006, -97963, -181042, -334606, -618415, -1142994, -2112545, -3904592, -7216810, -13338856, -24654268, -45568784, -84225393, -155675230 ]
[ "sign" ]
A057049
[ 1, 1, 3, 1, 4, 8, 4, 9, 3, 9, 1, 8, 16, 6, 15, 3, 13, 24, 10, 22, 6, 19, 1, 15, 30, 10, 26, 4, 21, 39, 15, 34, 8, 28, 49, 21, 43, 13, 36, 4, 28, 53, 19, 45, 9, 36, 64, 26, 55, 15, 45, 3, 34, 66, 22, 55, 9, 43, 78, 30, 66, 16, 53, 1, 39, 78, 24, 64 ]
[ "nonn" ]
A183041
[ 3, 2, 1, 2, 3, 4, 3, 4, 5, 6, 5, 6, 7, 8, 7, 8, 9, 10, 9, 10, 11, 12, 11, 12, 13, 14, 13, 14, 15, 16, 15, 16, 17, 18, 17, 18, 19, 20, 19, 20, 21, 22, 21, 22, 23, 24, 23, 24, 25, 26, 25, 26, 27, 28, 27, 28, 29, 30, 29, 30, 31, 32, 31, 32, 33, 34, 33, 34, 35, 36 ]
[ "nonn" ]
A119048
[ 1, 4, 13, 19, 44, 141, 195, 199, 424, 1955, 1995, 1999, 14141, 19955, 19995, 19999, 42473, 44741, 47138, 199955, 199995, 199999, 1999955, 1999995, 1999999, 4713620, 19999955, 19999995, 19999999, 199999955, 199999995, 199999999 ]
[ "nonn", "base" ]
A299852
[ 1, 2, 2, 4, 8, 4, 8, 26, 26, 8, 16, 88, 93, 88, 16, 32, 298, 357, 357, 298, 32, 64, 1012, 1401, 1626, 1401, 1012, 64, 128, 3440, 5533, 7770, 7770, 5533, 3440, 128, 256, 11700, 21764, 36968, 46799, 36968, 21764, 11700, 256, 512, 39804, 85620, 175258, 276154, 276154 ]
[ "nonn", "tabl" ]
A301755
[ 3, 7, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
[ "nonn", "easy", "cons" ]
A089565
[ 9, 19, 419, 5419, 35419, 735419, 12735419, 1112735419, 131112735419, 42131112735419, 2642131112735419, 102642131112735420, 17102642131112735000, 1.6171026421311128e+21, 2.0161710264213112e+23 ]
[ "base", "nonn" ]
A389200
[ 13, 13, 13, 57, 13, 31, 13, 13, 121, 31, 13, 13, 133, 57, 13, 31, 13, 57, 183, 13, 13, 31, 13, 13, 31, 121, 13, 31, 13, 121, 13, 57, 307, 31, 13, 133, 13, 13, 13, 381, 57, 31, 57, 133, 13, 13, 13, 741, 31, 13, 121, 13, 31, 13, 31, 13, 57, 13, 553, 31, 13, 31, 13, 183, 403, 57, 121, 13, 13, 13, 121, 13, 31, 13, 133 ]
[ "nonn" ]
A025792
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 5, 5, 6, 6, 6, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 21, 22, 23, 23, 24, 24, 25, 25, 26, 27, 28 ]
[ "nonn", "easy" ]
A137819
[ 1811079, 4473387, 67009923, 77242167, 88605819, 110475819, 120781449, 132208767, 134082297, 165515319, 183408867, 225548469, 232275681, 272876607, 284339403, 326557251, 349538247, 402371793, 425844621, 501668883, 566867727 ]
[ "nonn" ]
A192850
[ 46, 184, 414, 832, 1390, 2232, 3262, 4672, 6318, 8440, 10846, 13824, 17134, 21112, 25470, 30592, 36142, 42552, 49438, 57280, 65646, 75064, 85054, 96192, 107950, 120952, 134622, 149632, 165358, 182520 ]
[ "nonn", "easy" ]
A340371
[ 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0 ]
[ "nonn" ]
A312966
[ 1, 4, 9, 13, 19, 22, 26, 31, 36, 41, 43, 49, 55, 58, 60, 66, 75, 76, 77, 84, 92, 94, 94, 103, 111, 111, 111, 120, 130, 129, 129, 138, 147, 147, 146, 156, 166, 165, 163, 173, 185, 183, 180, 191, 203, 201, 197, 209, 222, 218 ]
[ "nonn" ]
A258192
[ 6, 420, 72072, 760760, 1266697832400, 783333734619744, 3002950101013563000, 1.2534140307885285e+24, 2.78098248881003e+31, 1.1880272476905107e+35, 2.0053961887186446e+45 ]
[ "nonn" ]
A342562
[ 0, 0, 0, 1, 0, -1, 0, 0, 1, 0, -1, 1, 1, -1, -1, 0, 1, 0, -1, 1, 1, -1, -1, 1, 1, -1, -1, 0, 0, 2, 0, -2, 0, 0, 1, 0, -1, 0, 2, 0, -2, 1, 2, 2, 1, -1, -2, -2, -1, 0, 2, 0, -2, 0, 1, 0, -1, 1, 1, -1, -1, 1, 2, 2, 1, -1, -2, -2, -1, 1, 2, 2, 1, -1, -2, -2, -1, 1, 1, -1, -1, 0, 2, 0, -2, 2, 2, -2, -2, 0, 2, 0, -2 ]
[ "sign", "look" ]
A008774
[ 1, 0, 0, 7680, 4320, 276480, 61440, 2903040, 522720, 16896000, 2211840, 68774400, 8960640, 221460480, 23224320, 603325440, 67154400, 1448202240, 135168000, 3154982400, 319809600, 6359654400, 550195200, 12016788480, 1147643520 ]
[ "nonn" ]
A002820
[ 1, 0, 2, 48, 5824, 2887680, 5821595648, 47317927329792, 1544457148312846300, 2.020397063136246e+23, 1.0582354921412507e+29, 2.2181970456710554e+35, 1.8603042615343047e+42, 6.24138330367078e+49 ]
[ "nonn", "nice", "easy" ]
A285335
[ 0, 1, 2, 4, 2, 8, 16, 3, 32, 64, 5, 128, 4, 3, 256, 512, 9, 6, 1024, 17, 2048, 4096, 4, 8192, 8, 33, 16384, 10, 65, 32768, 65536, 6, 18, 131072, 129, 262144, 524288, 5, 12, 1048576, 4, 2097152, 34, 257, 4194304, 20, 513, 66, 8388608, 10, 16777216, 33554432, 7, 67108864, 134217728, 1025, 268435456, 130, 18, 36, 16, 2049, 6 ]
[ "nonn" ]
A035588
[ 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 4, 1, 0, 1, 5, 12, 4, 2, 5, 17, 30, 16, 9, 19, 46, 72, 47, 33, 55, 115, 162, 128, 97, 146, 263, 357, 311, 258, 351, 579, 757, 720, 624, 803, 1219, 1573, 1568, 1429, 1741, 2504, 3178, 3300, 3096, 3655, 4999, 6296, 6686, 6464, 7415, 9792 ]
[ "nonn" ]
A065162
[ 1, 1, 3, 84, 392700, 134303400, 144049802170012200, 2.04084304290616e+28, 4.439821106698601e+52, 2.650620090981719e+62 ]
[ "nonn" ]
A091108
[ 0, 2, 9, 56, 234, 962, 3552 ]
[ "nonn", "more" ]
A159985
[ 1, 1, 2, 5, 2, 0, 0, 3, 2, 2, 2, 2, 4 ]
[ "dead" ]
A230408
[ 0, 1, 2, 5, 10, 11, 14, 15, 18, 23, 24, 31, 32, 37, 38, 43, 48, 53, 58, 69, 70, 73, 84, 85, 88, 91, 92, 95, 100, 101, 108, 109, 114, 115, 120, 125, 130, 135, 146, 147, 150, 171, 172, 175, 178, 187, 188, 189, 194, 195, 200, 205, 210, 215, 226, 227, 230, 251, 252 ]
[ "nonn" ]
A029552
[ 1, 3, 4, 7, 13, 19, 29, 43, 62, 90, 126, 174, 239, 325, 435, 580, 769, 1007, 1313, 1702, 2191, 2808, 3580, 4539, 5735, 7216, 9036, 11278, 14028, 17383, 21474, 26448, 32471, 39759, 48550, 59123, 71829, 87053, 105249, 126975, 152858, 183623 ]
[ "nonn" ]
A280149
[ 10, 11, 20, 22, 30, 33, 40, 42, 44, 50, 52, 55, 57, 60, 66, 70, 77, 80, 84, 88, 90, 99, 100, 104, 110, 114, 120, 121, 126, 130, 132, 140, 143, 150, 154, 156, 160, 165, 168, 170, 171, 176, 180, 187, 190, 198, 200, 203, 208, 209, 210, 220, 228, 230, 231, 240, 242, 250, 252, 253, 260, 264, 270, 272, 275, 280, 285 ]
[ "nonn" ]
A166495
[ 1, 5, 20, 80, 320, 1280, 5120, 20480, 81920, 327680, 1310720, 5242880, 20971510, 83886000, 335543850, 1342174800, 5368696800, 21474777600, 85899072000, 343596134400, 1374383923200, 5497533235200, 21990123110400, 87960453120000 ]
[ "nonn" ]
A196369
[ 1, 2, 3, 3, 3, 4, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 9, 9, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, 18, 18, 19, 19, 19, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 23, 23 ]
[ "nonn" ]
A048377
[ 0, 11, 222, 3333, 44444, 555555, 6666666, 77777777, 888888888, 9999999999, 110, 1111, 11222, 113333, 1144444, 11555555, 116666666, 1177777777, 11888888888, 119999999999, 2220, 22211, 222222, 2223333, 22244444, 222555555, 2226666666 ]
[ "nonn", "easy", "base", "nice", "look" ]
A379817
[ 1, 1, 1, 3, 2, 1, 3, 1, 7, 4, 3, 7, 2, 7, 12, 3, 1, 7, 6, 1, 15, 8, 7, 15, 4, 17, 26, 6, 3, 17, 13, 2, 31, 42, 9, 7, 31, 21, 3, 15, 50, 30, 4, 1, 15, 25, 10, 1, 31, 16, 15, 31, 8, 37, 54, 12, 7, 37, 27, 4, 69, 88, 18, 17, 69, 44, 6, 37, 112, 63, 8, 3, 37, 56 ]
[ "nonn", "base", "tabf" ]
A351201
[ 12, 18, 20, 28, 36, 44, 45, 48, 50, 52, 60, 63, 68, 72, 75, 76, 80, 84, 90, 92, 98, 99, 100, 108, 112, 116, 117, 120, 124, 126, 132, 140, 144, 147, 148, 150, 153, 156, 162, 164, 168, 171, 172, 175, 176, 180, 188, 192, 196, 198, 200, 204, 207, 208, 212, 216 ]
[ "nonn" ]
A251573
[ 1, 1, 3, 21, 261, 4833, 120303, 3778029, 143531433, 6404711553, 328447585179, 19037277446949, 1230842669484717, 87829738967634850, 6856701559496841000, 581343578623728900000, 5.31964391138565e+22, 5.225543459274295e+24, 5.4846883047003215e+26, 6.125839889362661e+28 ]
[ "nonn" ]
A082483
[ 21, 34, 50, 69, 90, 113, 138, 165, 194, 226, 261, 298, 337, 378, 421, 466, 513, 562, 613, 666, 721, 778, 837, 898, 962, 1029, 1098, 1169, 1242, 1317, 1394, 1473, 1554, 1637, 1722, 1809, 1898, 1989, 2082, 2177, 2274, 2373, 2474, 2577, 2682, 2789, 2898 ]
[ "nonn" ]
A011330
[ 1, 1, 7, 3, 8, 7, 3, 9, 3, 4, 9, 4, 2, 1, 7, 6, 0, 1, 6, 0, 6, 1, 5, 7, 9, 1, 7, 0, 7, 8, 6, 0, 1, 7, 4, 6, 7, 3, 2, 4, 8, 6, 9, 9, 4, 1, 4, 3, 9, 2, 5, 3, 1, 6, 3, 2, 5, 6, 6, 8, 8, 8, 3, 3, 7, 4, 1, 3, 8, 9, 4, 8, 4, 3, 8, 7, 4, 6, 7, 5, 1, 6, 6, 9, 3, 8, 3, 4, 0, 6, 4, 8, 4, 5, 4, 5, 7, 5, 8 ]
[ "nonn", "cons" ]
A371085
[ 9, 25, 49, 207, 333, 375, 531, 605, 819, 1331, 1719, 1850, 2057, 2205, 2299, 2331, 2853, 4491, 4575, 5746, 6413, 6591, 6655, 9559, 9873, 12947, 13426, 14063, 15851, 15886, 16425, 17303, 19125, 19942, 20531, 21609, 21970, 22139, 26667, 30923, 33975, 34731, 35379, 37251, 37873, 38350, 38599, 39075, 41743, 44447, 45950 ]
[ "nonn" ]
A024370
[ 4, 6, 8, 9, 18, 21, 33, 37, 42, 47, 63, 69, 89, 96, 117, 126, 135, 142, 168, 178, 207, 217, 248, 259, 294, 307, 319, 332, 370, 385, 427, 443, 484, 503, 550, 568, 617, 636, 656, 675, 726, 747, 803, 825, 882, 906, 965, 991, 1054, 1079, 1144, 1172, 1201, 1230, 1298, 1324 ]
[ "nonn" ]
A307204
[ 1, 3, 6, 6, 12, 18, 24, 30, 30, 33, 48, 57, 60, 60, 72, 84, 78, 81, 96, 111, 96, 102, 120, 138, 114, 123, 144, 165, 132, 144, 168, 192, 150, 165, 192, 219, 168, 186, 216, 246, 186, 207, 240, 273, 204, 228, 264, 300, 222, 249, 288, 327, 240, 270, 312, 354, 258 ]
[ "nonn", "easy" ]
A120431
[ 1, 2, 3, 5, 7, 9, 11, 17, 23, 25, 27, 29, 41, 47, 59, 71, 79, 81, 101, 107, 125, 137, 149, 167, 179, 191, 197, 227, 239, 241, 269, 281, 311, 347, 359, 419, 431, 461, 521, 569, 599, 617, 641, 659, 727, 809, 821, 827, 839, 857, 881, 1019, 1031, 1049, 1061, 1091 ]
[ "nonn" ]
A270385
[ 25, 75, 100, 150, 169, 175, 195, 225, 255, 275, 289, 300, 350, 375, 390, 400, 435, 455, 475, 507, 510, 525, 550, 555, 575, 595, 600, 615, 663, 675, 676, 700, 715, 750, 775, 780, 795, 825, 841, 867, 870, 875, 900, 910, 915, 935, 950, 975, 1014, 1015, 1020, 1050, 1075, 1095 ]
[ "nonn" ]
A130019
[ 0, 0, 1, 6, 27, 114, 483, 2106, 9537, 44934, 219933, 1115286, 5842707, 31537314, 174991443, 996169146, 5808168297, 34633891734, 210943794093, 1310837402646, 8302614222507, 53552183145234, 351468155184003, 2345436650546106 ]
[ "nonn", "easy" ]
A051017
[ 2, 9, 10, 13, 15, 16, 18, 20, 21, 23, 26, 28, 31, 33, 34, 36, 39, 41, 44, 46, 47, 49, 51, 52, 54, 57, 59, 62, 64, 65, 67, 69, 70, 72, 75, 77, 80, 82, 83, 85, 87, 88, 90, 93, 95, 96, 98, 100, 101, 103, 106, 108, 111, 113, 114, 116, 118, 119, 121, 124, 126, 129, 131 ]
[ "nonn" ]
A078132
[ 43, 59, 67, 83, 89, 97, 107, 113, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383 ]
[ "nonn" ]
A180306
[ 1, 4, 9, 16, 27, 35, 49, 63, 65, 85, 95, 105, 121, 135, 145, 169, 175, 187, 203, 209, 221, 253, 265, 273, 289, 301, 305, 319, 351, 369, 387, 403, 407, 425, 445, 473, 485, 495, 517, 529, 545, 551, 567, 611, 615, 635, 639, 671, 679, 693, 703, 725, 747, 781, 793 ]
[ "nonn" ]
A213808
[ 1, 1, 1, 1, 2, 3, 1, 3, 6, 10, 1, 4, 10, 20, 35, 1, 5, 15, 35, 70, 126, 1, 6, 21, 56, 126, 252, 462, 1, 7, 28, 84, 210, 462, 924, 1716, 1, 8, 36, 120, 330, 792, 1716, 3432, 6427, 1, 9, 45, 165, 495, 1287, 3003, 6435, 12861, 24229, 1, 10, 55, 220, 715, 2002, 5005, 11440, 24300, 48520, 91828 ]
[ "nonn", "tabl" ]
A382986
[ 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", "look" ]
A317199
[ 12, 213, 3121, 121312, 2131211213 ]
[ "nonn", "more" ]
A234877
[ 128, 268, 472, 1116, 2096, 5316, 10240, 27060, 52744, 142876, 280240, 770572, 1516768, 4208188, 8300136, 23151620, 45717872, 127927396, 252795808, 708714660, 1401057032, 3932335452, 7775722672, 21838955052, 43190207392, 121354286332 ]
[ "nonn" ]
A053170
[ 1584, 13056, 57744, 133440, 307632, 519888, 990288, 1436208, 2108832, 3015648, 4075296, 5244960, 7464816, 9329280, 11739072, 14099616, 17516304, 20539296, 25358400, 29624880, 36250800, 41164992, 47420016, 53422320, 62019168, 70891488, 80028000, 89233248, 100924176, 111503568 ]
[ "nonn" ]
A246695
[ 1, 3, 9, 18, 35, 57, 91, 132, 189, 255, 341, 438, 559, 693, 855, 1032, 1241, 1467, 1729, 2010, 2331, 2673, 3059, 3468, 3925, 4407, 4941, 5502, 6119, 6765, 7471, 8208, 9009, 9843, 10745, 11682, 12691, 13737, 14859, 16020, 17261, 18543, 19909, 21318, 22815 ]
[ "nonn", "easy" ]
A160779
[ 1, 5, 51, 52, 190, 201, 202, 255, 257, 259, 291, 292, 303, 306, 308, 310, 311, 312, 354, 393, 396, 398, 404, 415, 420, 494, 501, 502, 555, 557, 559, 591, 592, 603, 606, 608, 610, 611, 612, 654, 693, 696, 698, 703, 706, 708, 710, 711, 712, 754, 793, 796, 798 ]
[ "nonn", "word" ]
A116132
[ 74, 59264, 510782, 906902, 81790664, 92776472, 10876856041862, 11796926254874, 18332259798794, 18388650720624, 32624670587648, 32699883214248, 43103618706398, 44916698243804, 66132258426302 ]
[ "nonn", "base" ]
A260695
[ 1, 1, 1, 5, 8, 84, 180, 3044, 8064, 193248, 604800, 19056960, 68428800, 2699672832, 10897286400, 520105017600, 2324754432000, 130859579289600, 640237370572800, 41680704936960000, 221172909834240000, 16397141420298240000, 93666727314800640000, 7.809290721329062e+21, 4.7726800133326115e+22 ]
[ "nonn" ]
A003432
[ 1, 1, 1, 2, 3, 5, 9, 32, 56, 144, 320, 1458, 3645, 9477, 25515, 131072, 327680, 1114112, 3411968, 19531250, 56640625, 195312500 ]
[ "nonn", "hard", "more", "nice" ]
A133925
[ 0, 1, 1, 1, 2, 0, 3, 1, 2, 3, 1, 5, 1, 5, 4, 3, 8, 2, 10, 5, 8, 12, 5, 18, 7, 18, 17, 13, 30, 12, 36, 24, 31, 47, 25, 66, 36, 67, 71, 56, 113, 61, 133, 107, 123, 184, 117, 246, 168, 256, 291, 240, 430, 285, 502, 459, 496, 721, 525, 932, 744, 998, 1180, 1021, 1653, 1269, 1930 ]
[ "easy", "nonn" ]
A375256
[ 3, 12, 39, 129, 453, 1677, 6429, 25149, 99453, 395517, 1577469, 6300669, 25184253, 100700157, 402726909, 1610760189, 6442745853, 25770393597, 103080394749, 412319219709, 1649272160253, 6597079203837, 26388297940989, 105553154015229, 422212540563453, 1688850011258877, 6755399743045629 ]
[ "nonn" ]
A262883
[ 1, 1, 2, 2, 5, 7, 10, 15, 24, 33, 49, 68, 100, 136, 193, 267, 370, 501, 690, 928, 1260, 1687, 2265, 3007, 4006, 5289, 6987, 9163, 12033, 15698, 20469, 26572, 34470, 44510, 57442, 73861, 94852, 121439, 155287, 198007, 252165, 320335, 406396, 514410, 650288 ]
[ "nonn" ]
A373953
[ 0, 1, 2, 1, 3, 3, 3, 1, 4, 4, 2, 3, 4, 4, 3, 1, 5, 5, 5, 4, 5, 3, 5, 3, 5, 5, 3, 4, 4, 4, 3, 1, 6, 6, 6, 5, 3, 6, 6, 4, 6, 6, 2, 3, 6, 6, 5, 3, 6, 6, 6, 5, 6, 4, 6, 4, 5, 5, 3, 4, 4, 4, 3, 1, 7, 7, 7, 6, 7, 7, 7, 5, 7, 4, 5, 6, 7, 7, 6, 4, 7, 7, 7, 6, 5, 3, 5 ]
[ "nonn" ]
A365517
[ 2, 8, 9, 12, 32, 48, 81, 98, 108, 128, 150, 192, 225, 252, 363, 392, 432, 512, 578, 600, 729, 768, 972, 1008, 1100, 1225, 1350, 1568, 1728, 1805, 1922, 2025, 2028, 2048, 2268, 2312, 2366, 2400, 2940, 3072, 3174, 3267, 3750, 3888, 4032, 4400, 4802, 5400, 5625 ]
[ "nonn" ]
A161019
[ 1, 0, 0, 3, 3, 4, 6, 7, 2, 0, 8, 5, 4, 5, 0, 5, 4, 5, 0, 5, 8, 0, 8, 0, 0, 4, 5, 7, 8, 1, 1, 1, 1, 5, 3, 6, 8, 1, 9, 0, 0, 4, 8, 0, 4, 5, 7, 6, 4, 4, 2, 0, 4, 0, 0, 2, 2, 2, 0, 8, 0, 6, 5, 7, 9, 8, 0, 3, 2, 1, 1, 2, 8, 8, 5, 6, 7, 3, 8, 7, 0, 3, 4, 7, 9, 3, 0, 4, 8, 0, 3, 4, 8, 7, 3, 0, 9, 1, 4, 6, 0, 5, 8, 1, 1 ]
[ "cons", "nonn" ]
A105393
[ 2, 4, 2, 6, 3, 2, 0, 7, 5, 1, 1, 6, 7, 2, 4, 1, 1, 8, 7, 7, 4, 1, 5, 6, 9, 4, 1, 2, 9, 2, 6, 6, 2, 0, 3, 7, 4, 3, 2, 0, 2, 5, 9, 7, 7, 4, 5, 1, 3, 8, 3, 0, 9, 0, 5, 1, 1, 0, 1, 0, 2, 8, 3, 4, 5, 4, 6, 6, 1, 1, 9, 3, 7, 5, 1, 1, 1, 9, 7, 8, 6, 3, 6, 8, 7, 7, 5, 3, 8, 9, 8, 1, 5, 2, 1, 5, 3, 6, 3, 6, 3, 7, 9, 2, 1 ]
[ "cons", "easy", "nonn" ]
A111474
[ 2, 5, 9, 3, 8, 9, 1, 3, 0, 1, 7, 2, 1, 8, 2, 3, 8, 2, 9, 7, 6, 2, 0, 2, 7, 6, 9, 4, 8, 2, 1, 8, 1, 0, 7, 0, 5, 1, 9, 2, 9, 1, 1, 6, 7, 1, 0, 6, 2, 0, 8, 7, 3, 9, 4, 5, 1, 9, 5, 0, 8, 5, 5, 3, 3, 9, 0, 2, 0, 3, 5, 9, 7, 7, 6, 0, 5, 9, 1, 1, 9, 6, 3, 9, 6, 6, 9, 2, 5, 7, 4, 1, 8, 4, 4, 3, 4, 8, 8, 7 ]
[ "nonn", "cons" ]
A306515
[ 1010100, 10110100, 101000100, 101101000, 1010101100, 1011101000, 10110001000, 10111010000, 101001000100, 101101011000, 101111010000, 1010111001100, 1011100010000, 1011110100000, 10101001010100, 10110010001000, 10111010110000, 10111110100000, 101001001000100, 101010010110100 ]
[ "nonn", "base" ]
A131817
[ 1, 2, 2, 4, 2, 3, 8, 4, 2, 4, 16, 8, 4, 2, 5, 32, 16, 8, 4, 2, 6, 64, 32, 16, 8, 4, 2, 7, 128, 64, 32, 16, 8, 4, 2, 8, 256, 128, 64, 32, 16, 8, 4, 2, 9, 512, 256, 128, 64, 32, 16, 8, 4, 2, 10, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 11, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 12 ]
[ "nonn", "tabl" ]
A142781
[ 113, 349, 467, 821, 2237, 2473, 2591, 3181, 3299, 3889, 4007, 4243, 4597, 4951, 5659, 6131, 6367, 7193, 7547, 7901, 8609, 8963, 9199, 9907, 10733, 11087, 11677, 12149, 12503, 12739, 13093, 14627, 15217, 16633, 16987, 17341, 18049, 18521, 18757, 19583, 19819 ]
[ "nonn", "easy" ]
A247989
[ 396, 702, 1264, 2314, 4308, 8150, 15640, 30620, 60192, 118756, 235048, 466476, 927792, 1850424, 3692608, 7372360, 14725200, 29421656, 58802272, 117563504, 235061376, 470020240, 939884704, 1879539888, 3758751936, 7517176032 ]
[ "nonn" ]
A378933
[ 2, 15, 53, 146, 356, 809, 1759, 3716, 7702, 15763, 31993, 64582, 129912, 260749, 522627, 1046616, 2094858, 4191639, 8385533, 16773690, 33550412, 67104305, 134212583, 268429676, 536864446, 1073734619, 2147475649, 4294958446, 8589924832, 17179858453 ]
[ "nonn", "easy" ]
A125819
[ 0, 1, 2, 101, 396, 10589, 59590, 1146313, 8072856, 127338073, 1037743178, 14427279437, 129515647140, 1658477399669, 15879972571918, 192632252911729, 1925621845299504, 22536572223036720, 231858463440125340, 2649764432514812400, 27789799818721784000 ]
[ "nonn", "easy" ]
A296861
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 17, 18, 21, 22, 24, 25, 26, 27, 28, 29, 30, 33, 34, 36, 39, 40, 41, 44, 46, 47, 50, 51, 52, 53, 54, 55, 56, 57, 60, 61, 63, 66, 67, 68, 69, 70, 72, 75, 76, 78, 79, 80, 81, 82, 83, 85, 86, 89, 90, 96, 97, 99, 102, 103 ]
[ "nonn", "base", "easy" ]
A101324
[ 7, 13, 19, 29, 43, 53, 61, 107, 113, 181, 193, 229, 251, 317, 337, 383, 433, 463, 491, 601, 827, 857, 887, 997, 1033, 1061, 1163, 1193, 1307, 1373, 1531, 1693, 1699, 1721, 1789, 1811, 1831, 1931, 2003, 2029, 2267, 2339, 2347 ]
[ "nonn" ]
A005872
[ 0, 0, 0, 6, 0, 0, 0, 0, 0, 6, 0, 6, 0, 0, 0, 12, 0, 6, 0, 0, 0, 0, 0, 12, 0, 0, 0, 18, 0, 0, 0, 0, 0, 12, 0, 12, 0, 0, 0, 24, 0, 6, 0, 0, 0, 0, 0, 12, 0, 0, 0, 24, 0, 0, 0, 0, 0, 24, 0, 6, 0, 0, 0, 36, 0, 12, 0, 0, 0, 0, 0, 12, 0, 0, 0, 30, 0, 0, 0, 0, 0, 18 ]
[ "nonn", "easy" ]
A217913
[ 1, 1, 31, 3025, 611501, 210766920, 110687251039, 82310957214948, 82318282158320510, 106563273280541800000, 1.7337334359918936e+23, 3.4628968145473105e+26, 8.330911769877051e+29, 2.376102520162485e+33 ]
[ "nonn" ]
A213082
[ 1, 2, 8, 15, 21, 27, 33, 40, 46, 52, 59, 65, 71, 77, 84, 90, 96, 103, 109, 115, 121, 128, 134, 140, 147, 153, 159, 165, 172, 178, 184, 191, 197, 203, 209, 216, 222, 228, 235, 241, 247, 253, 260, 266, 272, 279, 285, 291, 297, 304, 310, 316, 323, 329, 335 ]
[ "nonn" ]
A274969
[ 1, 1, 4, 21, 121, 728, 4488, 28101, 177859, 1134705, 7283640, 46981740, 304253964, 1976886616, 12880883408, 84130964709, 550649378199, 3610705776755, 23714554702020, 155979407872365, 1027269675638745, 6773476758296220, 44709685668953760, 295402076512228160, 1953492865541875500 ]
[ "nonn", "easy" ]
A352763
[ 1, 2, 4, 8, 6, 9, 18, 12, 3, 24, 32, 10, 5, 40, 16, 14, 48, 15, 80, 34, 17, 68, 26, 36, 27, 96, 20, 35, 28, 64, 22, 33, 30, 65, 50, 72, 21, 42, 69, 138, 52, 66, 44, 82, 41, 656, 38, 88, 128, 46, 144, 39, 192, 45, 130, 13, 208, 256, 54, 129, 60, 194, 56, 7, 112, 132, 11, 176, 70, 25, 100, 136, 51 ]
[ "nonn" ]
A363240
[ 1, 2, 5, 12, 32, 88, 260, 819, 2680, 8642, 27976, 88946, 281541, 893028, 2841344, 9092174, 29176634, 93854841, 302611365 ]
[ "nonn", "more" ]
A365853
[ 16718003, 26378017, 46524017, 55187023, 58374053, 58452041, 60850043, 71299043, 78035011, 78269033, 84213047, 89052013, 95490049, 97080001, 115558063, 121097027, 128192011, 131194003, 133547119, 140018009, 140872009, 145319003, 147234001, 149897009 ]
[ "nonn", "base" ]
A049722
[ 11, 13, 15, 20, 26, 33, 43, 54, 67, 83, 98, 117, 135, 154, 179, 203, 228, 255, 281, 314, 343, 378, 414, 447, 488, 526, 567, 608, 652, 703, 748, 797, 845, 898, 953, 1007, 1064, 1123, 1183, 1246, 1305, 1372, 1438, 1505, 1576, 1642 ]
[ "nonn" ]
A339168
[ 0, 0, 0, 0, 0, 1, 2, 0, 5, 1, 5, 6, 0, 3, 2, 0, 7, 4, 3, 6, 2, 1, 8, 3, 5, 7, 8, 9, 6, 5, 7, 8, 4, 1, 6, 9, 2, 5, 4, 3, 1, 2, 4, 5, 1, 2, 3, 3, 5, 1, 6, 4, 3, 4, 9, 4, 8, 2, 2, 0, 2, 9, 6, 4, 0, 8, 7, 6, 0, 3, 3, 6, 8, 2, 7, 4, 5, 1, 6, 1, 1, 7, 8, 0, 0, 7, 8, 0, 5, 1, 3, 7, 2, 2, 2, 9, 8, 4, 8, 2, 3, 6, 2, 0, 6, 5, 6 ]
[ "nonn", "cons" ]
A011628
[ 0, 1, 1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, 1, 1, 1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, -1, 1, 1, 1, 1, 1, 1, -1, -1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, 1, -1, -1, 1, 1, 1, 1, -1, -1, 1, 1, -1, 1, -1, 1, -1, 1, 1, 1, -1, 1, -1, -1, -1, -1, 1, 1, -1, 1, -1, 1, -1, -1, -1, -1 ]
[ "sign", "mult", "easy", "changed" ]
A127620
[ 1, 1, 5, 22, 117, 654, 3843, 22882, 137443, 827998, 4995443, 30155494, 182083275, 1099560942, 6640309323, 40101959542, 242184540139, 1462610652718, 8833070227499, 53345145429670, 322164911643723, 1945636121710110 ]
[ "nonn", "easy", "walk" ]
A008095
[ 1, 4, 11, 21, 36, 59, 92, 129, 167, 197, 246, 306, 367, 433, 491, 565, 660, 761, 839, 918, 1023, 1151, 1269, 1377, 1476, 1605, 1780, 1912, 2017, 2171, 2339, 2524, 2677, 2812, 2979, 3177, 3405, 3587, 3753, 3937, 4158, 4424, 4636, 4832, 5020, 5244, 5561, 5824 ]
[ "nonn" ]