id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A305387
[ 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1...
[ "nonn" ]
A376436
[ 1, 0, 0, 12, 24, 80, 11160, 87696, 715680, 62337600, 1065980160, 15842534400, 1109943362880, 31591940440320, 731706348941568, 46767587926752000, 1889337264901632000, 61735665488234250000, 3.896148715287565e+21, 2.015841327141004e+23, 8.661099107269709e+24, 5.674057186555589...
[ "nonn" ]
A169891
[ 1, 2, 2, 3, 5, 6, 2, 10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 8, 2, 8, 2, 8, 2, 10, 2, 10, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 18, 4, 18, 4, 18, 4, 20, 4, 20, 4, 50, 2, 2, 4, 4, 54, 6, 6, 8, 8, 36, 6, ...
[ "nonn", "base" ]
A142136
[ 101, 397, 619, 1063, 1433, 1877, 1951, 2099, 2543, 2617, 3061, 3209, 3727, 5059, 5281, 5503, 5651, 6317, 6761, 6983, 7057, 7649, 7723, 8093, 8167, 8389, 8537, 9203, 9277, 9721, 10091, 10313, 10831, 10979, 11423, 11497, 11719, 11867, 11941, ...
[ "nonn", "easy" ]
A224944
[ 1583, 1594, 1605, 1611, 1622, 1633, 1639, 1650, 1661, 1667, 1678, 1689, 1695, 1701, 1707, 1718, 1729, 1735, 1746, 1757, 1763, 1774, 1785, 1791, 1803, 1814, 1825, 1831, 1842, 1853, 1859, 1870, 1881, 1887, 1898, 1910, 1921, 1927, 1938, 1949...
[ "nonn" ]
A210515
[ 1235, 4061, 8255, 22775, 24665, 36500, 44501, 52343, 54434, 57644, 58109, 59567, 59588, 65018, 69407, 71789, 78689, 94280, 98594, 106748, 114272, 122504, 134369, 137129, 138905, 144302, 162236, 196439, 235808, 238235, 269912, 277919, 278633, 282461, ...
[ "nonn", "base" ]
A101071
[ 0, 1, 6, 43, 55, 337, 1210, 2692, 3535, 3916, 3973, 4045, 6960, 23770, 69655 ]
[ "nonn", "hard", "more" ]
A316261
[ 1, 3, 9, 15, 26, 37, 55, 73, 100, 127, 165, 203, 254, 305, 371, 437, 520, 603, 705, 807, 930, 1053, 1199, 1345, 1516, 1687, 1885, 2083, 2310, 2537, 2795, 3053, 3344, 3635, 3961, 4287, 4650, 5013, 5415, 5817, 6260 ]
[ "nonn", "easy" ]
A153431
[ 1, 1, 1, 4, 28, 28, 170926, 170926, 931371868, 15538734736, 89468493268, 6009549731752, 89984938946056, 43000687652274616 ]
[ "nonn", "more" ]
A284451
[ 2, 0, 250, 3384, 54248, 824052, 12957944, 203401448, 3209101642, 50702668880, 801990075576, 12692871462160, 200953195066764, 3182000912440584, 50388819126999400, 797940889459632100, 12635596604122356000 ]
[ "nonn" ]
A100336
[ 2, 3, 1, 2, 1, 3, 1, 2, 3, 1, 3, 2, 1, 2, 3, 2, 1, 3, 1, 2, 3, 1, 3, 2, 3, 1, 2, 3, 2, 1, 3, 1, 2, 1, 3, 2, 1, 2, 3, 1, 3, 2, 3, 1, 2, 1, 3, 2, 1, 2, 3, 2, 1, 3, 1, 2, 3, 1, 3, 2, 3, 1, 2, 3...
[ "nonn" ]
A115412
[ 1, -2, 1, 0, 1, -1, -2, 3, 0, 0, -4, 2, 5, -3, -4, -2, 11, 0, -12, -3, 13, 13, -23, -15, 22, 29, -23, -51, 30, 66, -16, -103, 2, 147, 20, -185, -85, 252, 165, -312, -290, 352, 502, -399, -767, 374, 1144, -249, -1668, 6...
[ "sign", "easy" ]
A304924
[ 32, 45, 191, 851, 4186, 21214, 104451, 524286, 2629697, 13159898, 65909764, 330440822, 1656131806, 8296998329, 41578385218, 208385151369, 1044232898642, 5232702674950, 26223139428812, 131412249840686, 658531778389885 ]
[ "nonn" ]
A073815
[ 1, 3, 18, 12, 200, 14, 3364, 15, 722, 328, 9801, 42, 25281, 116, 1800, 165, 36992, 810, 4414201, 88, 196, 29161, 541696, 35, 2928200, 1413, 103968, 172, 98942809, 488, 1547536, 336, 19602, 17536, 814088, 370, 49042009, 55297, 1521, 319, ...
[ "nonn" ]
A236916
[ 0, 1, 2, 2, 2, 2, 3, 3, 4, 5, 6, 6, 6, 6, 7, 7, 8, 9, 10, 10, 10, 10, 11, 11, 12, 13, 14, 14, 14, 14, 15, 15, 16, 17, 18, 18, 18, 18, 19, 19, 20, 21, 22, 22, 22, 22, 23, 23, 24, 25, 26, 26, 26, 26, 27, 27, ...
[ "nonn" ]
A196774
[ 4, 2, 0, 8, 4, 2, 7, 5, 2, 6, 5, 6, 6, 7, 4, 1, 9, 5, 1, 6, 0, 6, 5, 3, 1, 2, 5, 0, 6, 9, 3, 2, 7, 8, 2, 4, 9, 0, 7, 0, 4, 2, 6, 0, 6, 5, 4, 9, 7, 3, 8, 9, 8, 9, 0, 5, 0, 2, 0, 0, 6, 4, 2, 0...
[ "nonn", "cons" ]
A110935
[ 0, 4, 6, 12, 20, 36, 58, 100, 160, 268, 430, 708, 1140, 1860, 3002, 4876, 7880, 12772, 20654, 33444, 54100, 87564, 141666, 229252, 370920, 600196, 971118, 1571340, 2542460, 4113828, 6656290, 10770148, 17426440, 28196620, 45623062, 73819716, 119...
[ "nonn", "easy" ]
A041067
[ 1, 3, 37, 114, 1405, 4329, 53353, 164388, 2026009, 6242415, 76934989, 237047382, 2921503573, 9001558101, 110940200785, 341822160456, 4212806126257, 12980240539227, 159975692596981, 492907318330170, 6074863512559021, 18717497856007230, 230684837784645820 ]
[ "nonn", "cofr", "frac", "easy" ]
A258646
[ 0, 0, 0, 0, 4, 0, 0, 0, 368, 0, 0, 0, 752, 0, 0, 176, 1520, 0, 0, 0, 608, 0, 0, 0, 1552, 0, 80, 27, 1520, 0, 0, 0, 3424, 0, 0, 368, 1312, 0, 0, 752, 288, 0, 0, 0, 3120, 368, 0, 0, 8144, 0, 176, 240, 1312, 0, ...
[ "nonn" ]
A079053
[ 1, 2, 5, 4, 14, 10, 11, 42, 19, 6, 114, 264, 145, 32, 787, 1806, 996, 218, 5395, 12378, 6827, 1494, 36978, 84840, 46793, 10240, 253451, 581502, 320724, 70186, 1737179, 3985674, 2198275, 481062, 11906802, 27318216, 15067201, 3297248, 8161043...
[ "nice", "nonn" ]
A175081
[ 1, 2, 3, 5, 6, 6, 7, 10, 10, 11, 12, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 22, 23, 24, 26, 28, 29, 30, 30, 30, 31, 33, 34, 34, 35, 37, 38, 39, 40, 41, 42, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, ...
[ "nonn" ]
A263109
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 1, 6, 6, 6, 6, 6...
[ "nonn", "base" ]
A005182
[ 0, 1, 1, 2, 4, 7, 12, 20, 33, 54, 90, 148, 244, 403, 665, 1096, 1808, 2980, 4914, 8103, 13359, 22026, 36315, 59874, 98715, 162754, 268337, 442413, 729416, 1202604, 1982759, 3269017, 5389698, 8886110, 14650719, 24154952, 39824784 ]
[ "nonn" ]
A145932
[ 1, 1, 1, 5, 20, 85, 428, 3123, 34838, 454719, 8335296, 187056538, 6169076015, 247329264689, 14010937295624, 978281276679416, 99281241941019760, 12290336204514423000 ]
[ "nonn" ]
A375611
[ 6, 12, 15, 18, 20, 24, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 63, 66, 70, 75, 77, 78, 80, 88, 91, 96, 99, 100, 102, 104, 105, 108, 110, 112, 114, 117, 130, 132, 135, 138, 143, 150, 153, 154, 156, 160, 162, 165, 170, 1...
[ "nonn" ]
A088214
[ 324, 329, 355, 357, 358, 362, 364, 365, 367, 373, 375, 378, 381, 383, 386, 387, 394, 397, 399, 401, 403, 406, 409, 411 ]
[ "fini", "full", "nonn" ]
A273905
[ 1, 2, 3, 5, 9, 15, 27, 46, 83, 143, 259, 450, 817, 1429, 2599, 4570, 8323, 14698, 26797, 47491, 86659, 154042, 281287, 501283, 915907, 1635835, 2990383, 5351138, 9786369, 17541671, 32092959, 57610988, 105435607, 189521640, 346950321, 624389105 ]
[ "nonn" ]
A242213
[ 0, 0, 2, 2, 3, 2, 3, 17, 2, 2, 7, 2, 3, 19, 2, 2, 3, 2, 17, 2, 7, 2, 3, 3, 13, 2, 2, 3, 3, 3, 3, 3, 3, 5, 2, 3, 3, 7, 2, 2, 3, 2, 2, 5, 2, 2, 5, 3, 3, 3, 3, 2, 7, 3, 3, 2, 2, 2, 3, 5, 11, 2, 1...
[ "nonn" ]
A206114
[ 31756, 111552, 520800, 5048352, 21702240, 157206240, 1542266208, 6705992160, 48576728160, 476560258272, 2072151577440, 15010209001440, 147257119806048, 640294837428960, 4638154581444960, 45502450020068830, 197851104765548640 ]
[ "nonn" ]
A261182
[ 2, 7, 29, 79, 97, 227, 229, 277, 727, 797, 929, 977, 997, 2297, 2729, 2777, 2797, 2927, 2999, 7229, 7297, 7727, 7927, 9227, 9277, 9929, 22229, 22277, 22279, 22727, 22777, 27277, 27299, 27779, 27799, 27997, 29297, 29927, 72227, 72229, 72...
[ "nonn", "easy", "base" ]
A370594
[ 1, 0, 1, 1, 1, 2, 0, 3, 3, 4, 3, 4, 5, 5, 8, 10, 11, 7, 14, 13, 19, 23, 24, 20, 30, 33, 40, 47, 49, 55, 53, 72, 80, 90, 92, 110, 110, 132, 154, 169, 180, 201, 218, 246, 281, 302, 323, 348, 396, 433, 482, 530, 584...
[ "nonn" ]
A154332
[ 3, 2, 32, 15, 17, 4, 7, 6, 35, 8, 11, 10, 14, 21, 12, 28, 65, 9, 56, 18, 136, 568, 23, 99, 101, 20, 13, 27, 34, 30, 143, 145, 38, 16, 19, 47, 195, 91, 197, 175, 26, 51, 59, 799, 69, 62, 163, 255, 257, 66, 31, 717, ...
[ "nonn" ]
A290433
[ 1, 3, 4, 16, 28, 45, 46, 67, 93, 130, 265, 321, 376, 717, 934, 1047, 1420, 2547, 5683, 8593, 9445, 31086, 33382, 43089, 76021, 90745 ]
[ "nonn", "more", "hard" ]
A389445
[ 1, 1, 1, 1, 1, 2, 9, 37, 121, 331, 799, 1808, 4168, 10636, 30481, 92328, 277153, 800129, 2220221, 6021026, 16340281, 45258964, 128757855, 373391901, 1088975070, 3160323163, 9091700042, 25986732787, 74204066422, 212792537432, 614407011889, 1784981424304 ]
[ "nonn" ]
A135283
[ 13, 23, 41, 65, 101, 143, 191, 245, 311, 353, 425, 479, 551, 581, 623, 695, 749, 821, 875, 971, 1115, 1271, 1325, 1445, 1613, 1739, 1817, 1877, 1943, 2129, 2441, 2471, 2513, 2597, 2783, 3071, 3113, 3161, 3215, 3335, 3533, 3737, 3845...
[ "nonn" ]
A328363
[ 1, 4, 9, 16, 26, 38, 53, 70, 90, 113, 138, 166, 197, 230, 266, 305, 346, 390, 437, 487, 540, 596, 654, 715, 779, 846, 916, 989, 1065, 1144, 1226, 1311, 1399, 1490, 1584, 1681, 1781, 1884, 1990, 2099, 2211, 2326, 2444, 2565, 2689...
[ "nonn" ]
A102893
[ 1, 0, 1, 5, 25, 130, 700, 3876, 21945, 126500, 740025, 4382625, 26225628, 158331880, 963250600, 5899491640, 36345082425, 225082957512, 1400431689475, 8749779798375, 54874635255825, 345329274848250, 2179969531405680 ]
[ "nonn", "easy" ]
A083267
[ 1, 2, 6, 24, 120, 180, 5040, 6720, 60480, 18900, 39916800, 665280, 6227020800, 3783780, 201801600, 2075673600, 355687428096000, 496215720, 121645100408832000, 69837768000, 20858213376000, 604969665300, 2.585201673888498e+22, 12336143339520, 5.170403347776995e+21 ]
[ "nonn" ]
A351043
[ 0, 1, 9, 24, 46, 45, 21, 6, 4, 15, 33, 32, 12, 11, 10, 8, 7, 5, 16, 36, 63, 97, 96, 60, 13, 27, 50, 80, 119, 165, 164, 116, 75, 41, 68, 66, 64, 99, 141, 140, 138, 93, 55, 86, 84, 49, 79, 78, 76, 43, 69, 104, 102,...
[ "nonn", "fini", "full" ]
A173801
[ 1, 1, 1, 2, 1, 3, 1, 4, 2, 3, 1, 9, 1, 3, 3, 9, 1, 14, 1, 12, 3, 3, 1, 28, 2, 3, 5, 9, 1, 32, 1, 17, 3, 3, 3, 50, 1, 3, 5, 31, 1, 32, 1, 9, 14, 4, 1, 97, 2, 10, 3, 9, 1, 57, 4, 27, 3, 4, 1, 160, 1...
[ "nonn" ]
A380916
[ 1, 3, 20, 254, 4832, 123152, 3947008, 152638320, 6919663360, 359984690432, 21143150157824, 1384004213748224, 99919253031411710, 7887827865170055000, 675952599490594500000, 6.249539887442142e+22, 6.200786173880447e+24, 6.572125891192051e+26 ]
[ "nonn" ]
A199334
[ 0, 1, 1, 1, 2, 3, 2, 3, 5, 8, 3, 5, 8, 13, 21, 5, 8, 13, 21, 34, 55, 8, 13, 21, 34, 55, 89, 144, 13, 21, 34, 55, 89, 144, 233, 377, 21, 34, 55, 89, 144, 233, 377, 610, 987, 34, 55, 89, 144, 233, 377, 610, 987, ...
[ "easy", "nonn", "tabl" ]
A007524
[ 3, 0, 1, 0, 2, 9, 9, 9, 5, 6, 6, 3, 9, 8, 1, 1, 9, 5, 2, 1, 3, 7, 3, 8, 8, 9, 4, 7, 2, 4, 4, 9, 3, 0, 2, 6, 7, 6, 8, 1, 8, 9, 8, 8, 1, 4, 6, 2, 1, 0, 8, 5, 4, 1, 3, 1, 0, 4, 2, 7, 4, 6, 1, 1...
[ "nonn", "cons" ]
A072301
[ 1, 2, 2, 4, 2, 2, 4, 5, 9, 3, 4, 5, 6, 5, 5, 16, 6, 11, 8, 6, 11, 7, 8, 7, 25, 8, 11, 12, 8, 10, 16, 19, 11, 11, 12, 29, 18, 10, 17, 10, 12, 14, 20, 13, 14, 15, 16, 23, 31, 33, 17, 22, 18, 15, 19, 15, 23,...
[ "base", "nonn" ]
A177722
[ 0, 0, 0, 0, 0, 14, 36, 66, 104, 150, 228, 322, 432, 558, 700, 926, 1184, 1474, 1796, 2150, 2624, 3146, 3716, 4334, 5000, 5930, 6940, 8030, 9200, 10450, 11908, 13462, 15112, 16858, 18700, 21082, 23608, 26278, 29092, 32050, 35488, 39102...
[ "nonn" ]
A241641
[ 0, 1, 1, 3, 3, 7, 8, 14, 16, 26, 32, 45, 57, 78, 103, 132, 175, 221, 299, 366, 491, 599, 803, 962, 1278, 1528, 2014, 2391, 3109, 3681, 4749, 5596, 7132, 8401, 10602, 12445, 15554, 18244, 22600, 26468, 32493, 38025, 46346, 54164, ...
[ "nonn", "easy" ]
A110182
[ 1, 1, 2, 2, 5, 9, 26, 66, 199, 575, 1790, 5542, 17945, 58733, 198880, 685296, 2429281, 8778321, 32491940, 122503412, 471379771, 1844669495, 7346727298, 29712688698, 122054603983, 508548201863, 2149211636944, 9204566602696, 39944636660655 ]
[ "easy", "nonn" ]
A083555
[ 2, 2, 6, 15, 30, 12, 72, 99, 154, 210, 30, 90, 420, 483, 598, 754, 870, 110, 1155, 1260, 156, 1599, 1804, 132, 600, 2550, 2703, 2862, 756, 72, 4095, 4420, 4692, 5106, 5550, 650, 702, 6723, 7138, 7654, 8010, 342, 9120, 2352, 9702...
[ "nonn" ]
A190407
[ 1, 2, 6, 9, 5, 5, 0, 3, 2, 4, 6, 5, 0, 4, 8, 5, 7, 8, 4, 1, 6, 2, 5, 0, 5, 4, 3, 6, 3, 5, 7, 2, 5, 6, 7, 8, 8, 0, 6, 9, 6, 2, 1, 6, 8, 1, 9, 0, 1, 4, 6, 8, 0, 0, 2, 3, 1, 5, 0, 6, 1, 7, 8, 4...
[ "nonn", "cons", "easy" ]
A173706
[ 3, 5, 10, 7, 14, 28, 11, 22, 44, 66, 13, 26, 52, 78, 130, 17, 34, 68, 102, 170, 204, 19, 38, 76, 114, 190, 228, 304, 23, 46, 92, 138, 230, 276, 368, 414, 29, 58, 116, 174, 290, 348, 464, 522, 638, 31, 62, 124, 186, 310...
[ "nonn", "easy", "tabl" ]
A295062
[ 1, 3, 6, 16, 29, 71, 124, 293, 506, 1183, 2036, 4745, 8158, 18995, 32649, 75998, 130615, 304012, 522481, 1216070, 2089947, 4864304, 8359813, 19457242, 33439279, 77828996, 133757146, 311316015 ]
[ "nonn", "easy" ]
A215925
[ 1, 2, 5, 10, 21, 38, 72, 124, 218, 363, 607, 977, 1580, 2479, 3889, 5976, 9162, 13812, 20771, 30811, 45561, 66638, 97117, 140237, 201811, 288119, 409904, 579240, 815715, 1141916, 1593318, 2211453, 3059662, 4213395, 5784458, 7907783, 10779202, ...
[ "nonn" ]
A381580
[ 0, 1, 2, 4, 9, 12, 15, 18, 22, 33, 44, 56, 64, 72, 80, 88, 96, 104, 112, 120, 128, 136, 145, 174, 203, 232, 261, 290, 319, 348, 378, 399, 420, 441, 462, 483, 504, 525, 546, 567, 588, 609, 630, 651, 672, 693, 714, 735, 75...
[ "nonn", "easy", "base" ]
A364991
[ 5400, 7200, 10800, 14400, 16200, 18000, 21168, 21600, 27000, 28800, 32400, 36000, 42336, 43200, 48600, 54000, 56448, 57600, 63504, 64800, 72000, 81000, 84672, 86400, 88200, 90000, 97200, 98784, 104544, 108000, 112896, 115200, 127008, 129600, 135000...
[ "nonn" ]
A378290
[ 1, 1, 0, 1, 1, 0, 1, 2, 4, 0, 1, 3, 9, 19, 0, 1, 4, 15, 46, 104, 0, 1, 5, 22, 82, 262, 614, 0, 1, 6, 30, 128, 486, 1588, 3816, 0, 1, 7, 39, 185, 789, 3027, 10053, 24595, 0, 1, 8, 49, 254, 1185, 5052, 19543, 65686...
[ "nonn", "tabl" ]
A035061
[ 0, 1, 2, 3, 5, 7, 9, 10, 11, 13, 17, 19, 21, 22, 25, 27, 30, 33, 37, 39, 41, 45, 47, 53, 54, 57, 90, 93 ]
[ "nonn", "base" ]
A333808
[ 0, 0, 0, 0, 0, 2, 0, 2, 0, 2, 0, 5, 0, 2, 3, 2, 0, 5, 0, 2, 3, 2, 0, 5, 0, 2, 3, 2, 0, 10, 0, 2, 3, 2, 5, 5, 0, 2, 3, 7, 0, 5, 0, 2, 8, 2, 0, 5, 0, 7, 3, 2, 0, 5, 5, 9, 3, 2, 0, 10, 0, 2, 10, ...
[ "nonn" ]
A066386
[ 0, 3906, 4620, 5166, 5376, 5460, 8190, 13020, 13986, 14490, 17934, 19740, 19950, 20664, 23226, 24654, 29736, 30114, 31206, 33516, 33600, 34104, 34314, 40320, 41286, 44016, 45066, 46116, 47754, 48300, 59850, 62244, 63420, 65310, 66864, 68040, 69...
[ "easy", "nonn" ]
A350089
[ 4, 5, 4, 8, 3, 1, 5, 4, 6, 4, 1, 5, 4, 8, 1, 0, 2, 0, 3, 3, 5, 5, 5, 8, 0, 2, 9, 3, 6, 8, 7, 5, 3, 5, 0, 0, 5, 8, 4, 6, 3, 0, 3, 8, 1, 7, 4, 9, 1, 9, 0, 4, 0, 4, 2, 1, 7, 0, 3, 2, 6, 8, 9, 1...
[ "nonn", "cons" ]
A024823
[ 3, 6, 17, 25, 45, 57, 86, 103, 141, 185, 209, 262, 321, 386, 421, 495, 575, 661, 706, 801, 902, 1009, 1122, 1181, 1303, 1431, 1565, 1705, 1777, 1926, 2081, 2242, 2409, 2495, 2671, 2853, 3041, 3235, 3435, 3537, 3746, 3961, 4182, 44...
[ "nonn" ]
A062406
[ 1, 2, 3, 4, 5, 4, 3, 2, 1, 2, 3, 4, 5, 4, 5, 4, 5, 6, 7, 6, 5, 4, 5, 6, 5, 4, 3, 4, 5, 6, 7, 6, 7, 8, 9, 8, 9, 10, 11, 12, 13, 12, 11, 12, 13, 14, 13, 14, 15, 16, 17, 18, 17, 16, 17, 18, 19, 18, 19, ...
[ "nonn", "base" ]
A161122
[ 0, 0, 2, 18, 180, 2100, 28350, 436590, 7567560, 145945800, 3101348250, 72020198250, 1814908995900, 49332526343100, 1438865351673750, 44826189802143750, 1485668004871050000, 52196469237802890000, 1.9377939204534323e+21, 7.580193865303132e+22, 3.1163019224023986e+24 ]
[ "nonn" ]
A033044
[ 0, 1, 7, 8, 49, 50, 56, 57, 343, 344, 350, 351, 392, 393, 399, 400, 2401, 2402, 2408, 2409, 2450, 2451, 2457, 2458, 2744, 2745, 2751, 2752, 2793, 2794, 2800, 2801, 16807, 16808, 16814, 16815, 16856, 16857, 16863, 16864, 17150, 17151, ...
[ "nonn", "base", "easy" ]
A337842
[ 1, 0, 8, 606, 88, 808, 888, 68086, 8888, 88088, 88888, 6880886, 888888, 8880888, 8888888, 688808886, 88888888, 888808888, 888888888, 68888088886, 8888888888, 88888088888, 88888888888, 6888880888886, 888888888888, 8888880888888, 8888888888888, 688888808888886 ]
[ "nonn", "base", "easy" ]
A233261
[ 1248, 524800, 509640704, 495341010944, 507618560835584, 525597937107992600, 548491734506604100000, 5.739810675690279e+23, 6.015582256889242e+26, 6.308309897778087e+29 ]
[ "nonn" ]
A281855
[ 2, 2, 2, 2, 2, 3, 3, 3, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 3, 3, 4, 3, 3, 4, 2, 3, 3, 2, 3, 3, 4, 3, 3, 4, 3, 3, 4, 2, 3, 4, 3, 4, 3, 4, 3, 3, 4, 3, 2, 4, 4, 3, 3, 3, 4, 3, 3, 3, 4, 3, 4, 3...
[ "nonn", "more" ]
A182624
[ 7, 13, 29, 61, 101, 107, 199, 211, 229, 241, 419, 449, 467, 479, 769, 823, 829, 859, 991, 1009, 1021, 1571, 1601, 1637, 1667, 1697, 1733, 1811, 1847, 1877, 1901, 1907, 1931, 3079, 3109, 3229, 3271, 3307, 3331, 3457, 3499, 3529, 3541...
[ "nonn", "base" ]
A371962
[ 0, 1, 3, 2, 6, 7, 4, 5, 14, 12, 13, 15, 8, 10, 11, 9, 28, 29, 24, 25, 26, 27, 30, 31, 16, 17, 20, 21, 22, 23, 18, 19, 60, 56, 57, 61, 48, 52, 53, 49, 50, 54, 55, 51, 62, 58, 59, 63, 32, 36, 37, 33, 44, 40, 41...
[ "nonn", "base" ]
A285401
[ 1, 2, 4, 5, 7, 8, 10, 11, 17, 18, 20, 21, 23, 24, 26, 27, 29, 30, 36, 37, 39, 40, 42, 43, 45, 46, 48, 49, 55, 56, 58, 59, 61, 62, 64, 65, 67, 68, 74, 75, 81, 82, 88, 89, 95, 96, 102, 103, 105, 106, 108, 109, 111,...
[ "nonn", "easy" ]
A176684
[ 2, 12, 48, 66, 78, 126, 192, 324, 576, 738, 858, 1806, 2466, 2496, 2688, 3186, 3276, 3978, 4092, 4248, 4404, 4884, 5034, 5274, 5352, 5898, 6018, 6198, 6396, 6408, 6516, 6708, 6852, 7368, 7914, 8304, 8628, 8658, 8904, 9048, 9168, 9528,...
[ "nonn" ]
A332021
[ 2, 3, 6, 7, 8, 10, 11, 13, 15, 18, 21, 24, 26, 27, 28, 32, 33, 39, 41, 44, 45, 48, 50, 52, 54, 55, 56, 58, 60, 62, 65, 68, 69, 71, 74, 75, 79, 83, 84, 85, 88, 90, 93, 95, 101, 107, 108, 109, 110, 114, 116, 117, 1...
[ "nonn" ]
A128811
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[ "easy", "nonn" ]
A061277
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[ "nonn", "base" ]
A283643
[ 1, 0, 0, 12, 0, 0, 0, 0, 1330560, 0, 0, 0, 0, 0, 0 ]
[ "nonn" ]
A024513
[ 1, 3, 6, 12, 18, 25, 34, 42, 55, 66, 80, 94, 110, 127, 144, 162, 183, 204, 224, 248, 272, 296, 322, 348, 378, 407, 434, 469, 500, 533, 565, 601, 636, 674, 712, 752, 792, 832, 873, 918, 960, 1007, 1051, 1094, 1144, 1191, 1240...
[ "nonn" ]
A243072
[ 1, 2, 4, 3, 8, 6, 12, 5, 9, 12, 20, 10, 28, 18, 18, 7, 44, 15, 52, 20, 27, 30, 68, 14, 36, 42, 25, 30, 76, 30, 92, 11, 45, 66, 54, 21, 116, 78, 63, 28, 124, 45, 148, 50, 50, 102, 164, 22, 81, 60, 99, 70, 172, 3...
[ "nonn" ]
A344739
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[ "nonn", "tabl" ]
A100754
[ 1, 1, 1, 1, 4, 1, 1, 8, 8, 1, 1, 13, 29, 13, 1, 1, 19, 73, 73, 19, 1, 1, 26, 151, 266, 151, 26, 1, 1, 34, 276, 749, 749, 276, 34, 1, 1, 43, 463, 1781, 2762, 1781, 463, 43, 1, 1, 53, 729, 3758, 8321, 8321, 3758, 7...
[ "nonn", "tabl" ]
A153334
[ 1, 1, 4, 8, 24, 52, 136, 296, 720, 1556, 3624, 7768, 17584, 37416, 83024, 175568, 383904, 807604, 1746280, 3657464, 7839216, 16357496, 34812144, 72407728, 153204064, 317777032, 669108496, 1384524656, 2903267040, 5994736336 ]
[ "easy", "nonn" ]
A035381
[ 1, 1, 2, 2, 2, 3, 4, 4, 6, 7, 7, 9, 11, 12, 15, 18, 19, 23, 27, 29, 35, 41, 44, 51, 59, 64, 74, 86, 93, 106, 121, 131, 148, 169, 184, 206, 233, 253, 282, 318, 346, 384, 430, 467, 516, 576, 626, 689, 766, 831, 911, ...
[ "nonn" ]
A195887
[ 1, 1, 7, 175, 14831, 4857647, 5181491667 ]
[ "nonn" ]
A289474
[ 1, 1, 127, 26609, 5828185, 1244027317, 258054207727, 52402156308977, 10488803639337560, 2079716852900452400, 409870041643305530000, 8.046695129732466e+22, 1.5759844503630649e+25, 3.08223120919086e+27, 6.023255272486359e+29 ]
[ "nonn" ]
A306334
[ 1, 3, 4, 10, 18, 42, 84, 192, 409, 926, 2030, 4577, 10171, 22889, 51176, 115070, 257987, 579868, 1301664, 2925209, 6569992, 14763529, 33166848, 74527233, 167446566, 376253517, 845401158, 1899609267, 4268309531, 9590827171, 21550227328, 48422972296, 108...
[ "nonn", "easy" ]
A203768
[ 0, 0, 1, 1, 3, 11, 61, 959, 70739, 72283977, 5182756776363, 374996904946945700000, 1.9435448564973363e+33, 7.2882331588497715e+53 ]
[ "nonn" ]
A289670
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[ "nonn" ]
A160952
[ 2, 29, 293, 2939, 29399, 293999, 2939999, 29399999 ]
[ "base", "fini", "full", "nonn", "uned" ]
A169892
[ 1, 3, 4, 7, 19, 22, 8, 49, 20, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 76, 22, 82, 24, 88, 26, 121, 28, 129, 30, 44, 52, 50, 48, 56, 54, 52, 60, 58, 56, 277, 72, 303, 80, 299, 78, 362, 76, 360, 84, 1415, 52, 53, ...
[ "nonn", "base" ]
A084428
[ 1, 23, 209, 1171, 6239, 7543 ]
[ "nonn", "base", "more", "hard" ]
A354527
[ 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 2, 0, 0, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 2, 0, 1, 0, 1, 0, 2, 0, 1, 1, 1, 0, 2, 0, 1, 0, 1, 0, 2, 0, 2, 0, 1, 0, 2, 0, 1, 1, 1, 0, 3, 0, 0, 1, 1...
[ "nonn", "easy" ]
A104522
[ 1, 3, 7, 19, 53, 155, 459, 1371, 4105, 12307, 36911, 110723, 332157, 996459, 2989363, 8968075, 26904209, 80712611, 242137815, 726413427, 2179240261, 6537720763, 19613162267, 58839486779, 176518460313, 529555380915, 1588666142719, 4765998428131 ]
[ "nonn", "easy" ]
A104538
[ 1, 0, -4, 8, 0, -32, 64, 0, -256, 512, 0, -2048, 4096, 0, -16384, 32768, 0, -131072, 262144, 0, -1048576, 2097152, 0, -8388608, 16777216, 0, -67108864, 134217728, 0, -536870912, 1073741824, 0, -4294967296, 8589934592, 0, -34359738368, 687194767...
[ "easy", "sign" ]
A049348
[ 1, 4, 10, 25, 67, 172, 448, 1165, 3025, 7864, 20434, 53101, 137995, 358600, 931888, 2421673, 6293137, 16353820, 42498250, 110439121, 286995331, 745807444, 1938110800, 5036519125, 13088273857, 34012163632, 88386542578 ]
[ "easy", "nonn" ]
A020694
[ 0, 9, 10, 19, 36, 40, 46, 49, 76, 81, 90, 91, 99, 121, 126, 144, 154, 160, 169, 171, 184, 196, 225, 234, 235, 241, 250, 259, 265, 286, 304, 315, 324, 331, 334, 360, 364, 369, 385, 394, 396, 414, 441, 451, 475, 481, 484, 49...
[ "easy", "nonn" ]
A094107
[ 5, 11, 53, 61, 103, 151, 173, 271, 277, 347, 503, 541, 557, 593, 733, 853, 1291, 1427, 1493, 1663, 1907, 2411, 2543, 2677, 2713, 2797, 2903, 3061, 3163, 3253, 3313, 3463, 3511, 3631, 3727, 4021, 4127, 4211, 4391, 4457, 4561, 4657, 4...
[ "nonn" ]
A045991
[ 0, 0, 4, 18, 48, 100, 180, 294, 448, 648, 900, 1210, 1584, 2028, 2548, 3150, 3840, 4624, 5508, 6498, 7600, 8820, 10164, 11638, 13248, 15000, 16900, 18954, 21168, 23548, 26100, 28830, 31744, 34848, 38148, 41650, 45360, 49284, 53428, 57798,...
[ "nonn", "easy" ]
A206467
[ 441, 11025, 110889, 1896129, 23707161, 356190129, 4803737481, 69030731169, 955680252921, 13523866505361, 188928681187689, 2659384141993089, 37267791691450330, 523625523775949200, 7345838128808608000 ]
[ "nonn" ]
A317001
[ 16, 420, 4905, 65047, 854383, 11158663, 146589898, 1924812465, 25259268302, 331644445546, 4353940658716, 57158649892483, 750406973765322, 9851614911662910, 129335524037159570, 1697967089691191800 ]
[ "nonn" ]
A227371
[ 1, 10, 15, 23, 56, 89, 2279, 2581, 2683, 6329, 7845, 7942, 26074, 26146, 26290, 26651, 26871, 27080, 27960, 28687, 28898, 29396, 29539, 29824, 30038, 30333, 30404, 30472, 30955, 31025, 31097, 31168, 32076, 32143, 32429, 33502, 33564, 41608, ...
[ "nonn", "base" ]
A310275
[ 1, 3, 7, 14, 20, 26, 31, 33, 36, 39, 45, 54, 60, 66, 69, 69, 72, 75, 83, 94, 100, 106, 107, 105, 108, 111, 121, 134, 140, 146, 145, 141, 144, 147, 159, 174, 180, 186, 183, 177, 180, 183, 197, 214, 220, 226, 221, 213, 216...
[ "nonn" ]
A220524
[ 0, 1, 3, 7, 11, 15, 23, 34, 42, 46, 54, 70, 94, 110, 130, 155, 171, 175, 183, 199, 223, 255, 291, 333, 377, 397, 421, 465, 529, 569, 613, 666, 698, 702, 710, 726, 750, 782, 818, 862, 914, 956, 1004, 1068, 1168, 1248, 1332, ...
[ "nonn" ]