id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A286915
[ 41, 344231, 1464251, 9646271, 48691151, 53544461, 58182011, 68632121, 74656931, 74752571, 92195381, 122898851, 164527151, 204214541, 224671901, 233766041, 234327701, 269106731, 349373891, 396416711, 412572851, 448517501, 513644381, 530427071, 559946021 ]
[ "nonn" ]
A193511
[ 0, 0, 0, 2, 0, 2, 0, 0, 2, 2, 0, 0, 0, 2, 2, 6, 0, 0, 0, 0, 2, 2, 0, 6, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 2, 6, 0, 2, 2, 6, 0, 0, 0, 0, 0, 2, 0, 0, 2, 0, 2, 0, 0, 6, 2, 6, 2, 2, 0, 6, 0, 2, 0, 8, 2, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0 ]
[ "nonn" ]
A005441
[ 1, 1, 4, 4, 9, 8, 55, 21, 104, 62, 429, 196, 800, 698, 4674, 2070, 7721, 7154 ]
[ "nonn", "more" ]
A382744
[ 1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32, 33, 34, 36, 37, 38, 39, 41, 42, 43, 44, 46, 47, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 59, 61, 62, 63, 64, 66, 67, 68, 69, 71, 72, 73, 74, 75, 76, 77, 78, 79, 81, 82, 83, 84 ]
[ "nonn" ]
A179136
[ 174, 307, 362, 431, 503, 516, 706, 713, 741, 755, 804, 984, 1048, 1075, 1173, 1187, 1192, 1208, 1236, 1259, 1315, 1356, 1439, 1478, 1588, 1607, 1668, 1712, 1724, 1727, 1763, 1777, 1812, 1902, 1951, 1966, 1999, 2001, 2036, 2071, 2181, 2188, 2198, 2219 ]
[ "nonn" ]
A311314
[ 1, 4, 8, 12, 16, 21, 27, 30, 33, 39, 43, 47, 50, 53, 58, 64, 68, 72, 79, 81, 84, 88, 92, 97, 102, 105, 109, 117, 119, 123, 127, 130, 134, 140, 144, 148, 156, 156, 160, 164, 168, 173, 179, 182, 185, 195, 195, 199, 202, 205 ]
[ "nonn" ]
A194802
[ 0, 5, 9, 23, 29, 45, 57 ]
[ "nonn", "more" ]
A224709
[ 0, 0, 0, 1, 1, 2, 2, 3, 4, 4, 4, 6, 5, 6, 8, 7, 8, 10, 8, 10, 12, 11, 11, 14, 13, 13, 16, 14, 15, 19, 15, 18, 20, 17, 20, 22, 20, 21, 24, 22, 22, 27, 23, 24, 30, 25, 26, 30, 27, 30, 33, 30, 30, 34, 32, 33, 37, 33, 33, 41, 33, 36, 42, 36, 40, 43, 39, 40, 44 ]
[ "nonn" ]
A055556
[ 4, 72, 58800, 1757711340, 54169994838960, 9.506451964247563e+23, 9.46301256122795e+34, 1.411905463979155e+46 ]
[ "nonn" ]
A367882
[ 0, 1, 4, 2, 6, 8, 3, 9, 11, 12, 5, 13, 15, 17, 16, 7, 18, 21, 23, 22, 20, 10, 25, 29, 31, 30, 27, 24, 14, 34, 39, 42, 41, 37, 33, 28, 19, 46, 53, 57, 55, 50, 45, 38, 32, 26, 62, 71, 77, 74, 67, 61, 51, 43, 36, 35, 83, 95, 103, 99, 90, 82, 69, 58, 49, 40 ]
[ "nonn", "tabl" ]
A298490
[ 8, 29, 27, 41, 101, 158, 263, 481, 776, 1387, 2567, 4539, 8077, 14329, 25589, 46648, 84839, 153497, 278093, 503244, 917222, 1678100, 3060188, 5584638, 10197411, 18619047, 34091728, 62438325, 114225230, 209134304, 382969204, 701383579 ]
[ "nonn" ]
A321523
[ 2, 2, 3, 3, 5, 5, 7, 7, 11, 11, 13, 31, 17, 71, 31, 13, 37, 73, 71, 17, 73, 37, 79, 97, 97, 79, 101, 101, 107, 701, 113, 311, 131, 131, 149, 941, 151, 151, 157, 751, 167, 761, 179, 971, 181, 181, 191, 191, 199, 991, 311, 113, 313, 313, 337, 733, 347, 743, 353, 353 ]
[ "nonn", "base", "tabf" ]
A129328
[ 0, 0, 1, 9, 72, 570, 4635, 39186, 345828, 3188268, 30684150, 307870365, 3215425554, 34899450768, 393015753039, 4585024011015, 55332235452960, 689799432341928, 8871905851132041, 117581467377389310, 1603990651356920800 ]
[ "nonn", "easy" ]
A012654
[ 0, 0, 2, -3, 0, -10, 280, -2016, 7728, -50184, 925888, -11789800, 105844640, -1138494864, 18956325232, -310531760280, 4485718813184, -69904446374848, 1305162861566976, -25605760011368830, 494580429732524300 ]
[ "sign" ]
A222580
[ 1, 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 3, 2, 3, 2, 2, 2, 3, 1, 2, 2, 3, 2, 2, 1, 2, 3, 3, 1, 1, 2, 4, 2, 1, 3, 2, 2, 2, 3, 3, 2, 2, 2, 2, 6, 1, 2, 3, 4, 2, 3, 3, 2, 3, 4, 2, 4, 2, 1, 1, 4, 3, 4, 2, 4, 1, 3, 3, 2, 4, 4, 2, 3, 2, 3, 3, 3, 3, 2, 5, 1, 3, 4, 7, 4, 2, 3, 2, 1, 5, 2, 4, 2, 7, 3, 3, 3, 4, 5, 6 ]
[ "nonn" ]
A055693
[ 2, 102, 41310, 102690, 309162, 315150, 1000002, 2488530, 4564350, 12679002, 17166870, 28855610, 35049930, 38982870, 42176490, 43232070, 53288510, 64253070, 104439090, 126446850, 130659210, 144379602, 208313490, 252852390, 284335410, 284397750, 337122750, 379257930, 385659630 ]
[ "nonn" ]
A043839
[ 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 20, 22, 23, 26, 31, 32, 37, 40, 41, 43, 47, 48, 53, 58, 60, 61, 62, 64, 80, 84, 86, 87, 90, 95, 106, 127, 128, 149, 160, 165, 168, 169, 171, 175, 191, 192, 213, 234, 240, 245, 250, 252, 253, 254, 256 ]
[ "nonn", "base" ]
A177735
[ 1, 1, 5, 7, 5, 11, 455, 1, 85, 133, 55, 23, 455, 1, 145, 2387, 85, 1, 319865, 1, 2255, 301, 115, 47, 7735, 11, 265, 133, 145, 59, 9464455, 1, 85, 10787, 5, 781, 23350145, 1, 5, 553, 38335, 83, 567385, 1, 10235, 45353, 235, 1, 750295, 1, 5555, 721, 265, 107 ]
[ "nonn" ]
A027843
[ 1, 15, 220, 5275, 151086 ]
[ "dead" ]
A040064
[ 7, 31, 37, 43, 61, 67, 73, 103, 109, 127, 139, 151, 157, 163, 181, 193, 223, 229, 241, 271, 277, 283, 313, 337, 349, 367, 379, 397, 409, 421, 433, 457, 523, 541, 547, 571, 577, 601, 607, 613, 619, 631, 661, 691 ]
[ "nonn", "easy" ]
A114165
[ 1, 2, 3, 18, 66, 84, 93, 94, 106, 108, 151, 183, 220, 249, 273, 329, 543, 648, 789, 793, 1068, 1251, 1254, 1284, 1366, 1456, 1549, 1584, 1671, 1771, 2059, 2131, 2228, 2331, 2501, 3399, 3729, 4224, 4456, 4646, 4999, 5093, 5540, 6014, 6510, 6736, 7520, 8124 ]
[ "nonn" ]
A093911
[ 1, 2, 4, 7, 11, 17, 27, 47, 87, 167, 327, 635, 1263, 2519, 5007, 10007, 19947, 39875, 79739, 159399, 318779, 637503, 1274999, 2549979, 5099903, 10199787, 20399535, 40799063, 81598083, 163196135, 326392259, 652784499, 1305568943, 2611137839 ]
[ "nonn", "easy", "less" ]
A164892
[ 1, 18, 306, 5202, 88434, 1503378, 25557426, 434476242, 7386095961, 125563628736, 2134581644448, 36287887206528, 616894069776480, 10487198969713728, 178282378804864030, 3030800377118109700, 51523605347410050000 ]
[ "nonn" ]
A358680
[ 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1 ]
[ "nonn" ]
A095075
[ 2, 17, 37, 41, 67, 73, 97, 131, 137, 139, 149, 163, 193, 197, 257, 263, 269, 277, 281, 293, 337, 353, 389, 401, 449, 521, 523, 541, 547, 557, 563, 569, 577, 587, 593, 601, 613, 617, 641, 643, 647, 653, 659, 661, 673, 677, 709, 769, 773, 787 ]
[ "nonn", "easy", "base" ]
A235373
[ 1, 1, 3, 27, 249, 4041, 63243, 1475667, 32699889, 993349521, 28523262483, 1066359584907, 37641671773929, 1670094388871001, 69986872318116120, 3592579308449406000, 174344892287659800000, 1.016110873942433e+22, 5.605425642236605e+23, 3.6558288488418608e+25 ]
[ "nonn" ]
A138482
[ 130, 230, 430, 530, 630, 730, 830, 930, 1101, 2210, 10110, 11200, 23100, 43100, 53100, 63100, 73100, 83100, 93100, 211100, 230100, 311100, 411100, 430100, 511100, 530100, 611100, 630100, 711100, 730100, 811100, 830100, 911100, 930100 ]
[ "base", "fini", "full", "nonn" ]
A209601
[ 1, 1, 14, 1, 2, 3, 1, 3, 2, 5, 194, 1, 14, 1, 2, 2, 2, 40, 1, 1, 1, 4, 4, 1, 5, 1, 4, 4, 1, 3, 18, 1, 1, 7, 28, 2, 5, 1, 4, 13, 3, 2, 2, 3, 9, 2, 3, 6, 1, 3, 3, 3, 3, 1, 1, 3, 8, 1, 184, 3, 2, 1, 1, 1, 3, 1, 1, 12, 1, 10, 2, 3, 2, 6, 18, 1, 1, 9 ]
[ "nonn", "cofr" ]
A251313
[ 149, 720, 3369, 16006, 76167, 361845, 1720147, 8186775, 38968823, 185439356, 882418813, 4199534512, 19986994528, 95122402403, 452701564741, 2154494292273, 10253737220701, 48799856644887, 232249015459479, 1105323374632293 ]
[ "nonn" ]
A260590
[ 4, 2, 7, 2, 5, 2, 7, 2, 4, 2, 5, 2, 59, 2, 56, 2, 4, 2, 8, 2, 5, 2, 54, 2, 4, 2, 5, 2, 7, 2, 54, 2, 4, 2, 51, 2, 5, 2, 8, 2, 4, 2, 5, 2, 45, 2, 8, 2, 4, 2, 42, 2, 5, 2, 31, 2, 4, 2, 5, 2, 8, 2, 15, 2, 4, 2, 7, 2, 5, 2, 7, 2, 4, 2, 5, 2, 40, 2, 21, 2, 4, 2, 29, 2, 5, 2, 8, 2, 4, 2, 5, 2, 7, 2, 13 ]
[ "nonn" ]
A159274
[ 209, 223, 237, 252, 267, 283, 299, 316, 333, 351, 369, 388, 407, 427, 447, 468, 489, 511, 533, 556, 579, 603, 627, 652, 677, 703, 729, 756, 783, 810, 838, 866, 895, 924, 954, 984, 1015, 1046, 1078, 1110, 1143, 1176, 1210, 1244, 1279, 1314, 1350, 1386 ]
[ "nonn" ]
A029411
[ 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 2, 3, 3, 3, 4, 4, 4, 4, 5, 4, 5, 5, 5, 6, 6, 6, 7, 8, 7, 8, 8, 8, 9, 9, 9, 10, 11, 11, 12, 12, 12, 13, 14, 13, 14, 15, 15, 17, 17, 17, 18, 19, 19, 20, 21, 20, 22, 23, 23, 25 ]
[ "nonn" ]
A198764
[ 5, 29, 149, 749, 3749, 18749, 93749, 468749, 2343749, 11718749, 58593749, 292968749, 1464843749, 7324218749, 36621093749, 183105468749, 915527343749, 4577636718749, 22888183593749, 114440917968749, 572204589843749, 2861022949218749 ]
[ "nonn", "easy" ]
A069502
[ 1, 3, 6, 66, 8778, 6172882716 ]
[ "nonn", "base", "hard" ]
A112618
[ 3, 7, 14, 5, 8, 6, 28, 18, 29, 77, 14, 19, 35, 82, 29, 33, 64, 68, 100, 132, 31, 18, 270, 109, 19, 186, 13, 184, 105, 172, 586, 79, 11, 34, 10, 223, 71, 37, 41, 314, 100, 25, 72, 171, 382, 26, 83, 361, 34, 249, 36, 28, 506, 304, 54, 37, 177, 331, 61, 536, 777, 458, 30, 123 ]
[ "nonn" ]
A028594
[ 1, 4, 12, 16, 28, 24, 48, 4, 60, 52, 72, 48, 112, 56, 12, 96, 124, 72, 156, 80, 168, 16, 144, 96, 240, 124, 168, 160, 28, 120, 288, 128, 252, 192, 216, 24, 364, 152, 240, 224, 360, 168, 48, 176, 336, 312, 288, 192, 496, 4, 372, 288, 392, 216, 480, 288, 60, 320, 360 ]
[ "nonn" ]
A380553
[ 1, 3, 25, 200, 1770, 16351, 158223, 1577328, 16112031, 167708890, 1772645419, 18974340640, 205263418940, 2240623110285, 24648785800540, 272994642782048, 3041495503591364, 34064252952038770, 383302465665133000, 4331178750570145300, 49126274119206900000, 559128033687856300000 ]
[ "nonn" ]
A114805
[ 1, 2, 4, 7, 11, 16, 22, 36, 60, 96, 146, 212, 380, 692, 1196, 1946, 3002, 5858, 11474, 21050, 36050, 58226, 121058, 250226, 480050, 855050, 1431626, 3128090, 6744794, 13409690, 24659690, 42533546, 96820394, 216171626, 442778090, 836528090 ]
[ "easy", "nonn" ]
A301255
[ 1, 4, 9, 17, 26, 41, 65, 85, 108, 145, 181, 213, 252, 299, 348, 399, 453, 510, 580, 641, 692, 784, 879, 929, 997, 1113, 1220, 1290, 1367, 1485, 1615, 1709, 1790, 1926, 2072, 2164, 2271, 2432, 2585, 2691, 2795, 2977, 3180, 3273, 3356, 3591, 3826 ]
[ "nonn" ]
A236754
[ 1, 0, 6, 8, 120, 0, 5040, 4608, 362880, 0, 39916800 ]
[ "nonn", "more" ]
A387542
[ 0, 1, 2, 3, 2, 2, 4, 2, 2, 4, 2, 2, 2, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 4, 2, 2, 2, 2, 3, 5, 4, 3, 5, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 3, 2, 2, 4, 2, 2, 2, 2, 3, 5, 5, 6, 5, 4, 3, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 5, 5, 6, 8, 8, 9, 11 ]
[ "nonn" ]
A235722
[ 1034289, 1046529, 1048576, 1054729, 1056784, 1073296, 1075369, 1085764, 1238769, 1247689, 1354896, 1380625, 1382976, 1432809, 1507984, 1605289, 1607824, 1630729, 1695204, 1708249, 1750329, 1763584, 1803649, 1827904, 1836025, 1890625, 1946025, 1974025 ]
[ "nonn", "base" ]
A383962
[ 1, 1, 1, 2, 1, 1, 2, 1, 3, 1, 2, 1, 1, 2, 3, 1, 3, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 3, 4, 1, 1, 2, 1, 3, 5, 1, 2, 1, 4, 1, 2, 3, 4, 1, 3, 1, 2, 1, 3, 1, 2, 3, 1, 3, 1, 2, 3, 4, 1, 4, 1, 2, 1, 3, 4, 7, 1, 2, 1, 1, 2, 3, 4, 1, 3, 1, 2, 3, 4, 1, 3, 6, 1, 2, 1, 3, 1, 2, 3, 4, 1, 4, 1, 2, 1, 3, 5, 7, 1, 2, 1, 4, 1, 2, 3, 4, 5, 6 ]
[ "nonn", "tabf" ]
A024263
[ 0, 1, 4, 108, 4448, 276560, 24034752, 2782112704, 413640580096, 76768625740032, 17380983003345920, 4711153236657376000, 1.5050984229977991e+21, 5.593572347545732e+23 ]
[ "nonn" ]
A050053
[ 1, 2, 4, 6, 7, 13, 17, 19, 20, 39, 56, 69, 76, 82, 86, 88, 89, 177, 263, 345, 421, 490, 546, 585, 605, 624, 641, 654, 661, 667, 671, 673, 674, 1347, 2018, 2685, 3346, 4000, 4641, 5265, 5870, 6455, 7001, 7491, 7912, 8257, 8520, 8697 ]
[ "nonn" ]
A265168
[ 0, 1, 6, 447, 40476, 5693966, 1109065142, 286017249449, 94359717938545, 38773039478955950 ]
[ "nonn" ]
A210477
[ 667, 1147, 2491, 3127, 4087, 5767, 7387, 17947, 23707, 25591, 28891, 30967, 55687, 64507, 67591, 70747, 75067, 111547, 126727, 136891, 141367, 148987, 190087, 198907, 256027, 295927, 313591, 320347, 329467, 348091, 355207, 364807, 372091, 422491, 430327, 462391, 532891 ]
[ "nonn" ]
A086199
[ 9, 0, 8, 9, 0, 8, 5, 5, 7, 5, 4, 8, 5, 4, 1, 4, 7, 8, 2, 3, 6, 1, 1, 8, 9, 0, 8, 7, 4, 4, 7, 9, 3, 5, 0, 4, 9, 0, 1, 0, 1, 3, 9, 6, 9, 3, 4, 0, 4, 1, 1, 8, 3, 8, 1, 9, 8, 0, 7, 2, 5, 9, 6, 0, 9, 5, 6, 3, 8, 1, 4, 9, 0, 9, 2, 4, 2, 0, 3, 3, 9, 2, 2, 8, 2, 4, 4, 7, 0, 7, 0, 1, 1, 2, 0, 6, 0, 9, 3, 3, 5, 7 ]
[ "nonn", "cons" ]
A225552
[ 3, 7, 10, 12, 14, 16, 18, 21, 23, 25, 28, 30, 33, 35, 38, 39, 42, 44, 47, 49, 52, 54, 56, 58, 61, 63, 66, 67, 70, 72, 75, 77, 80, 81, 84, 86, 89, 91, 94, 95, 98, 100, 103, 105, 108, 109, 112, 114, 117, 119, 122, 123 ]
[ "nonn" ]
A138777
[ 1, 3, 6, 10, 15, 21, 1, 28, 6, 36, 21, 45, 56, 55, 126, 66, 252, 1, 78, 462, 9, 91, 792, 45, 105, 1287, 165, 120, 2002, 495, 136, 3003, 1287, 1, 153, 4368, 3003, 12, 171, 6188, 6435, 78, 190, 8568, 12870, 364 ]
[ "nonn", "tabf" ]
A203930
[ 527076, 60873876, 7748585676, 1012872412476, 132923754354276, 17475349695161076, 2297197186864332800, 302046352349437600000, 3.971100272414466e+22, 5.221215352191536e+24 ]
[ "nonn" ]
A023215
[ 3, 13, 19, 31, 43, 61, 103, 109, 139, 163, 241, 271, 313, 373, 379, 499, 523, 601, 613, 631, 643, 673, 709, 733, 739, 751, 769, 811, 823, 829, 883, 1021, 1033, 1051, 1063, 1069, 1129, 1171, 1231, 1249, 1291, 1381, 1459, 1483, 1531, 1549, 1579, 1621, 1663 ]
[ "nonn", "easy" ]
A036421
[ 0, 0, 0, 0, 0, 0, 1, 5, 19, 56, 151, 374, 889, 2032, 4529, 9858, 21075, 44320, 91928, 188288, 381392, 764683, 1519026, 2991601, 5844950, 11334761, 21827329, 41755112, 79376196, 149991258, 281805933, 526546799, 978614867, 1809450608 ]
[ "nonn", "fini", "full" ]
A172099
[ 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 2, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 2, 0, 0, 1, 2, 0, 0, 1, 2, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1 ]
[ "nonn", "tabf" ]
A113342
[ 1, 5, 35, 325, 3880, 57560, 1030751, 21763632, 531604250, 14789895891, 462672349092, 16100666809097, 617634167482824, 25916099832677756, 1181568927574816300, 58194225186901920000, 3.0805296801318924e+21 ]
[ "nonn" ]
A343848
[ 1, 2, 5, 17, 77, 444, 3123, 25933, 248163, 2687200, 32460889, 432482545, 6296217017, 99388128516, 1690073020687, 30788225809509, 597998944638879, 12332575195452440, 269072563350272160, 6190949611140563000, 149789737789559200000, 3.8013599477258015e+21 ]
[ "nonn" ]
A073136
[ 5, 8, 16, 24, 42, 54, 76, 86, 106, 138, 158, 194, 220, 234, 258, 294, 336, 344, 398, 424, 440, 480, 514, 550, 606, 648, 666, 694, 708, 730, 836, 870, 910, 936, 1008, 1028, 1076, 1130, 1158, 1204, 1242, 1268, 1344, 1364, 1398, 1416, 1508, 1632, 1660, 1676, 1704 ]
[ "easy", "nonn" ]
A006422
[ 4, 47, 240, 831, 2282, 5362, 11256, 21690, 39072, 66649, 108680, 170625, 259350, 383348, 552976, 780708, 1081404, 1472595, 1974784, 2611763, 3410946, 4403718, 5625800, 7117630, 8924760, 11098269, 13695192, 16778965, 20419886, 24695592, 29691552, 35501576 ]
[ "nonn" ]
A112503
[ 1, 20, 225, 1882, 13070, 79872, 444902, 2311828, 11388999, 53820068, 246112783, 1096379070, 4782801180, 20515294320, 86808499020, 363304109640, 1507010836605, 6206407299540, 25412183425165, 103563957886370 ]
[ "nonn", "easy" ]
A325121
[ 0, 1, 1, 2, 2, 2, 1, 3, 2, 3, 2, 3, 2, 2, 3, 4, 3, 3, 1, 4, 2, 3, 2, 4, 4, 3, 3, 3, 2, 4, 3, 5, 3, 4, 3, 4, 2, 2, 3, 5, 3, 3, 3, 4, 4, 3, 4, 5, 2, 5, 4, 4, 1, 4, 4, 4, 2, 3, 2, 5, 2, 4, 3, 6, 4, 4, 3, 5, 3, 4, 2, 5, 3, 3, 5, 3, 3, 4, 3, 6, 4, 4, 4, 4, 5, 4, 3 ]
[ "nonn" ]
A201345
[ 0, 0, 0, 0, 0, 0, 0, 15, 15, 0, 0, 213, 295, 213, 0, 0, 2007, 6304, 6304, 2007, 0, 0, 15497, 120750, 194873, 120750, 15497, 0, 0, 106589, 1977305, 6442039, 6442039, 1977305, 106589, 0, 0, 680287, 28778603, 204185475, 365946958, 204185475, 28778603 ]
[ "nonn", "tabl" ]
A079976
[ 1, 1, 2, 3, 6, 11, 20, 36, 65, 118, 214, 388, 703, 1274, 2309, 4185, 7585, 13747, 24915, 45156, 81841, 148329, 268832, 487232, 883061, 1600463, 2900685, 5257212, 9528190, 17268926, 31298264, 56725087, 102808753, 186330956, 337706899 ]
[ "nonn" ]
A145435
[ 0, 8, 4, 1, 7, 7, 4, 0, 8, 0, 0, 0, 8, 3, 3, 2, 0, 3, 0, 3, 5, 5, 4, 8, 6, 9, 5, 3, 8, 4, 6, 6, 7, 2, 6, 7, 8, 8, 5, 5, 3, 1, 8, 4, 0, 3, 9, 9, 8, 8, 4, 5, 8, 2, 8, 8, 7, 7, 5, 9, 0, 1, 1, 7, 7, 4, 1, 6, 8, 9, 0, 6, 6, 6, 5, 1, 8, 7, 0, 6, 4, 8, 1, 0, 6, 4, 0, 3, 2, 2, 6, 9, 1 ]
[ "cons", "easy", "nonn" ]
A341622
[ 3, 6, 7, 14, 28, 31, 62, 124, 127, 248, 254, 496, 508, 1016, 2032, 4064, 8128, 8191, 16382, 32764, 65528, 131056, 131071, 262112, 262142, 524224, 524284, 524287, 1048448, 1048568, 1048574, 2096896, 2097136, 2097148, 4193792, 4194272, 4194296, 8387584, 8388544, 8388592, 16775168, 16777088, 16777184, 33550336, 33554176, 33554368 ]
[ "nonn" ]
A092598
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 13, 14, 15, 16, 17, 18, 19, 25, 26, 27, 28, 29, 37, 38, 39, 49 ]
[ "base", "nonn", "fini", "full" ]
A366306
[ 1, 3, 133, 170625, 10733002621, 50465283999665540, 2.514549469934745e+25, 1.7874737735672678e+36, 2.348075191087867e+49, 7.16728346550194e+64 ]
[ "nonn" ]
A034348
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[ "nonn" ]
A099586
[ 1, 1, 1, 0, -4, -14, -34, -68, -116, -164, -164, 0, 560, 1912, 4616, 9232, 15760, 22288, 22288, 0, -76096, -259808, -627232, -1254464, -2141504, -3028544, -3028544, 0, 10340096, 35303296, 85229696, 170459392, 290992384, 411525376, 411525376, 0, -1405035520 ]
[ "sign", "easy" ]
A116386
[ 54, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 54, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 54, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53 ]
[ "nonn", "easy" ]
A038261
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[ "nonn", "easy" ]
A355575
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[ "nonn" ]
A136281
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[ "nonn" ]
A042917
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[ "nonn", "frac", "easy" ]
A317089
[ 2, 6, 12, 18, 30, 60, 90, 150, 180, 210, 300, 360, 420, 450, 540, 600, 630, 1050, 1260, 1350, 1470, 1500, 2100, 2250, 2310, 2520, 2940, 3150, 3780, 4200, 4410, 4620, 5880, 6300, 6930, 7350, 8820, 9450, 10500, 11550, 12600, 13230, 13860, 14700, 15750, 16170 ]
[ "nonn" ]
A270841
[ 5, 4, 6, 9, 14, 23, 40, 73, 138, 267, 524, 1037, 2062, 4111, 8208, 16401, 32786, 65555, 131092, 262165, 524310, 1048599, 2097176, 4194329, 8388634, 16777243, 33554460, 67108893, 134217758, 268435487, 536870944, 1073741857, 2147483682, 4294967331, 8589934628 ]
[ "easy", "nonn" ]
A328445
[ 5, 11, 127, 401, 1487, 1153, 6199, 10301, 22193, 72277, 1301423 ]
[ "nonn", "more" ]
A324316
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[ "nonn", "base" ]
A239527
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[ "nonn" ]
A363460
[ 1, 1, 11, 556, 74964, 21700112, 11500685084, 10057140949968, 13496937368200000, 26331147893897760000, 7.160629015573217e+22, 2.6251636521141095e+26, 1.26251755994002e+30, 7.786463232979127e+33, 6.0414239829783205e+37 ]
[ "nonn" ]
A328987
[ 3, 10, 15, 20, 27, 32, 39, 44, 51, 56, 61, 68, 73, 80, 85, 90, 97, 102, 109, 114, 119, 126, 131, 138, 143, 150, 155, 160, 167, 172, 179, 184, 189, 196, 201, 208, 213, 220, 225, 230, 237, 242, 249, 254, 259, 266, 271, 278, 283, 290, 295, 300, 307, 312, 319 ]
[ "nonn" ]
A064133
[ 2, 2, 2, 2, 2, 4, 4, 4, 4, 2, 4, 2, 2, 8, 4, 2, 8, 4, 8, 4, 4, 2, 8, 4, 4, 2, 8, 4, 16, 8, 16, 2, 8, 8, 4, 32, 8, 8, 4, 16, 8, 8, 4, 2, 4, 2, 16, 2, 16, 4, 8, 16, 8, 16, 16, 8, 16, 8, 4, 2, 4, 4, 2, 8, 8, 4, 32, 16, 16, 4, 4, 8, 2, 32, 8, 16, 16, 2, 16, 32, 8 ]
[ "nonn" ]
A312655
[ 1, 4, 8, 14, 20, 24, 28, 32, 36, 42, 48, 52, 56, 60, 64, 70, 76, 80, 84, 88, 92, 98, 104, 108, 112, 116, 120, 126, 132, 136, 140, 144, 148, 154, 160, 164, 168, 172, 176, 182, 188, 192, 196, 200, 204, 210, 216, 220, 224, 228 ]
[ "nonn" ]
A331690
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[ "nonn" ]
A111430
[ 0, 0, 1, 2, 24, 3136, 53798080, 15832480722303616, 7.455279114146399e+32, 1.6530796759827137e+66 ]
[ "easy", "nonn" ]
A047237
[ 0, 1, 2, 4, 6, 7, 8, 10, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 31, 32, 34, 36, 37, 38, 40, 42, 43, 44, 46, 48, 49, 50, 52, 54, 55, 56, 58, 60, 61, 62, 64, 66, 67, 68, 70, 72, 73, 74, 76, 78, 79, 80, 82, 84, 85, 86, 88, 90, 91, 92, 94, 96, 97 ]
[ "nonn", "easy" ]
A293611
[ 0, 11, 91, 406, 1316, 3486, 8022, 16632, 31812, 57057, 97097, 158158, 248248, 377468, 558348, 806208, 1139544, 1580439, 2154999, 2893814, 3832444, 5011930, 6479330, 8288280, 10499580, 13181805, 16411941, 20276046, 24869936, 30299896, 36683416, 44149952, 52841712 ]
[ "nonn", "easy" ]
A041683
[ 1, 1, 37, 38, 1405, 1443, 53353, 54796, 2026009, 2080805, 76934989, 79015794, 2921503573, 3000519367, 110940200785, 113940720152, 4212806126257, 4326746846409, 159975692596981, 164302439443390, 6074863512559021, 6239165952002411 ]
[ "nonn", "frac", "easy" ]
A101773
[ 3, 5, 7, 23, 31, 29, 29, 41, 43, 43, 37, 89, 67, 83, 79, 71, 59, 127, 113, 107, 89, 181, 151, 149, 113, 229, 199, 179, 149, 283, 241, 211, 173, 313, 263, 223, 173, 331, 277, 197, 373, 331, 263, 199, 389, 313, 233, 461, 379, 293, 503, 419, 337, 569, 479, 379 ]
[ "nonn" ]
A270055
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[ "nonn" ]
A367192
[ 1, 5, 84, 4719, 884884, 553361016, 1153471856900, 8012241391384695, 185424118272842100000, 4.6196406887893284e+26 ]
[ "nonn", "hard", "more" ]
A101682
[ 1, 2, 0, 8, 80, 1152, 21056, 467840, 12248064, 369313280, 12605643776, 480491716608, 20231074672640, 932551401807872, 46708494389084160, 2525988902617776000, 146694190329387350000, 9.105143756032487e+21 ]
[ "nonn" ]
A332185
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[ "nonn", "base", "easy" ]
A102089
[ 1, 10, 24, 12, 1, 15, 69, 107, 36, 1, 20, 142, 440, 588, 288, 32, 1, 25, 240, 1125, 2710, 3227, 1645, 240, 1, 30, 363, 2290, 8139, 16446, 18141, 9870, 2148, 108, 1, 35, 511, 4060, 19222, 55867, 99085, 103231, 58310, 15267, 1274, 1, 40, 684, 6560, 38934 ]
[ "nonn", "tabf" ]
A044488
[ 41, 77, 113, 149, 185, 221, 251, 257, 293, 329, 365, 401, 437, 467, 473, 509, 545, 581, 617, 653, 683, 689, 725, 761, 797, 833, 869, 899, 905, 941, 977, 1013, 1049, 1085, 1115, 1121, 1157, 1193, 1229, 1265, 1301, 1331, 1337 ]
[ "nonn", "base" ]
A142450
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[ "nonn", "easy" ]
A210862
[ 1, 2, 1, 3, 2, 2, 4, 6, 7, 3, 5, 15, 20, 16, 5, 6, 31, 57, 63, 37, 8, 7, 56, 153, 215, 184, 81, 13, 8, 92, 370, 684, 771, 513, 171, 21, 9, 141, 805, 2028, 2898, 2603, 1354, 351, 34, 10, 205, 1598, 5515, 10084, 11582, 8319, 3415, 703, 55, 11, 286, 2940 ]
[ "nonn", "tabl" ]
A236592
[ 256, 2968, 2968, 34800, 80008, 34800, 407904, 2181116, 2181116, 407904, 4780656, 59464564, 139039736, 59464564, 4780656, 55986224, 1618144324, 8837067764, 8837067764, 1618144324, 55986224, 655930368, 44032289456, 560696734212 ]
[ "nonn", "tabl" ]
A134652
[ 59, 1519, 7814, 17225, 39079, 950619, 977019, 1280699 ]
[ "nonn", "hard", "more" ]
A389813
[ 0, 0, 0, 0, 2, 9, 30, 79, 190, 425, 913, 1909, 3927, 7987, 16141, 32483, 65205, 130690, 261709, 523794, 1048021, 2096530, 4193611, 8387840, 16776371, 33553502, 67107846, 134216618, 268434250, 536869604, 1073740412, 2147482124, 4294965658, 8589932834, 17179867302 ]
[ "nonn" ]
A332151
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[ "nonn", "base", "easy" ]