id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A184257
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 1, 1, 2, 3, 1, 3, 1, 1, 1, 3, 4, 5, 10, 5, 1, 1, 2, 3, 5, 10, 20, 15, 4, 3, 1, 2, 3, 8, 19, 41, 47, 26, 17, 1, 1, 2, 4, 13, 33, 79, ...
[ "nonn", "tabl" ]
A257559
[ 4, 6, 9, 14, 21, 33, 46, 62, 82, 106, 133, 161, 194, 235, 278, 323, 371, 422, 478, 535, 597, 662, 731, 802, 878, 955, 1037, 1121, 1207, 1294, 1382, 1473, 1565, 1658, 1754, 1851, 1954, 2059, 2165, 2279, 2395, 2513, 2638, 2771, 29...
[ "nonn" ]
A040891
[ 30, 2, 1, 2, 1, 9, 2, 1, 1, 6, 6, 1, 1, 2, 9, 1, 2, 1, 2, 60, 2, 1, 2, 1, 9, 2, 1, 1, 6, 6, 1, 1, 2, 9, 1, 2, 1, 2, 60, 2, 1, 2, 1, 9, 2, 1, 1, 6, 6, 1, 1, 2, 9, 1, 2, 1, 2, 60, 2, 1, 2, 1, 9,...
[ "nonn", "cofr", "easy" ]
A068543
[ 2, 3, 5, 26, 27, 33, 34, 171, 172, 175, 188, 1029, 1030, 1038, 1045, 1048, 1054, 1065, 1066, 1085, 1086, 1090, 1095, 1102, 1105, 1106, 1107, 39834, 39850, 39860, 39861, 39876, 39908, 39915, 39916, 39935, 39940, 39948, 39951, 39956, 3996...
[ "nonn" ]
A356116
[ 0, 0, 0, 0, 1, 0, 0, 5, 5, 0, 0, 16, 46, 16, 0, 0, 42, 252, 252, 42, 0, 0, 99, 1086, 2241, 1086, 99, 0, 0, 219, 4097, 15129, 15129, 4097, 219, 0, 0, 466, 14272, 87058, 154426, 87058, 14272, 466, 0, 0, 968, 47300, 452672,...
[ "nonn", "tabl" ]
A094472
[ -1, 0, 0, 3, 0, 10, 0, 13, 8, 18, 0, 40, 0, 26, 28, 41, 0, 63, 0, 70, 40, 42, 0, 124, 24, 50, 50, 100, 0, 160, 0, 113, 64, 66, 68, 221, 0, 74, 76, 214, 0, 228, 0, 160, 168, 90, 0, 340, 48, 187, 100, 190, 0, 294...
[ "sign", "easy" ]
A031243
[ 1, 3, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 5, 2, 2, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1...
[ "nonn", "base" ]
A112209
[ 1, 1, 0, 1, 1, 2, 2, 1, 3, 3, 3, 3, 4, 5, 5, 7, 8, 8, 9, 10, 13, 15, 14, 17, 20, 23, 24, 26, 31, 34, 38, 41, 46, 52, 55, 62, 70, 75, 82, 90, 103, 112, 118, 131, 145, 161, 172, 185, 208, 225, 244, 265, 288, 316,...
[ "nonn" ]
A314545
[ 1, 5, 8, 15, 19, 21, 29, 35, 33, 42, 51, 48, 55, 62, 64, 70, 76, 77, 83, 92, 91, 96, 104, 107, 112, 115, 121, 128, 130, 130, 142, 150, 143, 151, 164, 163, 164, 172, 178, 183, 186, 187, 198, 203, 201, 208, 217, 220, 221, ...
[ "nonn" ]
A106404
[ 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 2, 0, 1, 0, 1, 0, 2, 0, 1, 0, 2, 0, 2, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 1...
[ "nonn", "easy" ]
A269611
[ 4, 3, 2, 2, 6, 7, 5, 0, 4, 3, 2, 3, 9, 6, 3, 7, 1, 4, 1, 1, 1, 8, 5, 5, 6, 0, 6, 3, 4, 4, 0, 4, 2, 8, 0, 9, 2, 0, 7, 8, 5, 2, 1, 7, 3, 5, 5, 0, 5, 3, 1, 9, 5, 5, 5, 2, 5, 6, 9, 9, 9, 6, 5, 9...
[ "nonn", "cons" ]
A296128
[ 1, 1, 1, 1, 5, 1, 1, 9, 9, 1, 1, 13, 18, 13, 1, 1, 33, 30, 30, 33, 1, 1, 69, 107, 74, 107, 69, 1, 1, 121, 265, 287, 287, 265, 121, 1, 1, 253, 553, 841, 2098, 841, 553, 253, 1, 1, 529, 1505, 2463, 9344, 9344, 2463, ...
[ "nonn", "tabl" ]
A021371
[ 0, 0, 2, 7, 2, 4, 7, 9, 5, 6, 4, 0, 3, 2, 6, 9, 7, 5, 4, 7, 6, 8, 3, 9, 2, 3, 7, 0, 5, 7, 2, 2, 0, 7, 0, 8, 4, 4, 6, 8, 6, 6, 4, 8, 5, 0, 1, 3, 6, 2, 3, 9, 7, 8, 2, 0, 1, 6, 3, 4, 8, 7, 7, 3...
[ "nonn", "cons", "easy" ]
A302236
[ 1, -1, 1, -1, 0, 0, -1, 1, -1, 0, 0, 0, 0, 1, -1, 1, 0, 0, 1, 0, 0, 0, -1, 1, 0, -1, 1, -2, 1, 0, 0, 2, -1, 0, 0, -1, 2, -1, -1, 1, -2, 1, 0, 0, 0, -2, -1, 2, 0, 0, 1, -3, 2, -1, 1, 2, -2, -1, -1, 1...
[ "sign" ]
A029660
[ 1, 3, 5, 7, 9, 11, 25, 13, 55, 27, 15, 49, 91, 105, 77, 35, 17, 19, 81, 21, 285, 65, 23, 121, 385, 825, 275, 2079, 935, 169, 3289, 4719, 2717, 1287, 29, 819, 5005, 9867, 7007, 1729, 119, 31, 225, 1015, 3185, 7371, 13013, 1...
[ "nonn" ]
A386411
[ 3, 8, 8, 9, 0, 8, 7, 2, 9, 6, 5, 2, 6, 0, 1, 1, 3, 8, 4, 2, 0, 4, 6, 4, 3, 9, 9, 1, 5, 7, 6, 6, 6, 9, 7, 1, 6, 0, 6, 6, 5, 9, 7, 6, 5, 7, 2, 8, 6, 6, 0, 7, 2, 0, 1, 2, 3, 5, 8, 6, 9, 2, 7, 9...
[ "nonn", "cons", "easy" ]
A060158
[ 0, 0, 0, 0, 0, 32, 300, 1852, 9576, 45096, 201060, 866324, 3650592, 15154240, 62260380, 253939116, 1030367448, 4165106264, 16790875860, 67553807428, 271383782544, 1089035545968, 4366631897100, 17497971562460, 70086163646280, 280627369334152, 1123357369925700 ]
[ "nonn" ]
A260948
[ 1, 2, 5, 17, 74, 395, 2526, 19087, 168603, 1723065, 20148031, 266437102, 3938754720, 64391209604, 1152961464743, 22424127879610, 470399253269776, 10579865622308852, 253840801521314080, 6468953273455413000, 174452533187403970000, 4.962228907578052e+21 ]
[ "nonn" ]
A085776
[ 3, 10, 14, 17, 18, 20, 21, 26, 30, 32, 33, 38, 45, 46, 48, 53, 54, 57, 66, 70, 72, 77, 81, 84, 88, 98, 101, 105, 110, 116, 118, 122, 125, 128, 132, 140, 141, 142, 146, 152, 158, 162, 164, 170, 173, 176, 177, 178, 185, ...
[ "base", "easy", "nonn" ]
A052483
[ 1, 3, 0, 5, 6, 8, 6, 7, 2, 8, 0, 4, 9, 8, 7, 7, 1, 8, 4, 6, 4, 5, 9, 8, 6, 2, 0, 6, 8, 5, 1, 0, 4, 0, 8, 9, 1, 1, 0, 6, 0, 2, 6, 4, 4, 1, 4, 9, 6, 4, 6, 8, 2, 9, 6, 4, 4, 6, 1, 8, 8, 3, 8, 8...
[ "nonn", "cons" ]
A303067
[ 0, 1, 11, 1113, 6163983, 120721914575073 ]
[ "nonn", "more" ]
A323813
[ 2083, 2719, 3324, 3752, 7775, 5631, 7410, 8561, 14075, 8468, 9230, 22701, 14660, 21709, 21077, 25808, 27111, 24707, 19843, 26942, 26736, 32448, 31365, 45035, 37852, 37187, 43317, 62094, 67400, 68735, 70847, 62788, 63222, 69244, 85384 ]
[ "nonn" ]
A041383
[ 1, 2, 3, 17, 241, 1222, 1463, 4148, 117607, 239362, 356969, 2024207, 28695867, 145503542, 174199409, 493902360, 14003465489, 28500833338, 42504298827, 241022327473, 3416816883449, 17325106744718, 20741923628167, 58808954001052, 1667392635657623 ]
[ "nonn", "frac", "easy" ]
A006797
[ 1, 1, 0, 1, 2, 3, 9, 28, 97, 378, 1601, 7116 ]
[ "nonn", "more" ]
A369055
[ 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 2, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 2, 1, 0, 1, 1, 0, 0, 2, 2, 1, 0, 0, 2, 0, 0, 0, 1, 1, 2, 2, 1, 1, 0, 1, 2, 0, 0, 0, 3, 0, 1, 0, 2, 1, 2...
[ "nonn" ]
A358382
[ 2, 3, 5, 7, 29, 43, 277, 283, 773, 967, 2801, 3391, 3701, 5189, 5233, 5531, 5591, 6869, 6949, 7043, 7753, 9419, 9787, 10091, 10957, 11173, 11551, 13577, 13729, 13781, 15319, 15383, 17489, 17509, 18583, 19141, 22091, 23029, 23669, 25523, ...
[ "nonn" ]
A112084
[ 5, 9, 25, 71, 311, 479, 1559, 5711, 10559, 18191, 31391, 118271, 701399, 366791, 2704679, 2954591, 2155919, 13845841, 6077111, 25411681, 28398241 ]
[ "nonn", "more" ]
A104610
[ 1, 3, 1, 1, 4, 1, 2, 3, 1, 0, 1, 1, 1, 1, 1, 3, 1, 1, 0, 2, 2, 4, 2, 3, 2, 3, 3, 0, 4, 4, 5, 5, 5, 5, 1, 1, 0, 3, 1, 2, 3, 2, 1, 1, 2, 4, 3, 5, 4, 4, 1, 1, 5, 3, 2, 5, 3, 1, 2, 2, 2, 0, 4, 1...
[ "base", "nonn" ]
A383261
[ 0, 1, 7, 57, 527, 5441, 61959, 770281, 10364671, 149854545, 2313932471, 37963374329, 658873048623, 12050610195937, 231496456566631, 4657345160220681, 97873704021590110, 2143496712532350700, 48821033290172900000, 1.1542614362410939e+21, 2.8279753601438143e+22 ]
[ "nonn" ]
A352787
[ 34, 46, 58, 102, 116, 122, 138, 150, 154, 162, 172, 184, 190, 196, 212, 228, 264, 266, 296, 304, 332 ]
[ "nonn", "more" ]
A036591
[ 1, 1, 1, 2, 3, 6, 11, 23, 46, 97, 198, 406, 811, 1613, 3155, 6141, 11822, 22652, 43052, 81441, 153031, 286187, 532067, 984509, 1811933, 3319129, 6049533, 10975090, 19815546, 35613904, 63710026, 113457471, 201128376, 354949071 ]
[ "nonn", "fini", "full" ]
A282717
[ 1, 2, 3, 4, 4, 5, 6, 6, 6, 8, 9, 8, 8, 7, 10, 12, 12, 12, 10, 12, 12, 8, 12, 15, 16, 16, 15, 18, 18, 12, 16, 18, 16, 16, 9, 14, 18, 20, 20, 20, 24, 24, 18, 24, 27, 24, 24, 14, 20, 24, 24, 24, 20, 24, 24, 10...
[ "nonn", "tabf" ]
A089702
[ 2, 3, 3, 3, 3, 23, 43, 59, 67, 83, 199, 239, 421, 569, 613, 1307, 2017, 2129, 2467, 2741, 2953, 3011, 3319, 3413, 3607, 3617, 5449, 6917, 7333, 7529, 8389, 10211, 10357, 12641, 12703, 15077, 17107, 21341, 21799, 22469, 32911, 33587, ...
[ "base", "nonn" ]
A004994
[ 1, 30, 990, 33660, 1161270, 40412196, 1414426860, 49707001080, 1752171788070, 61910069845140, 2191616472517956, 77702765843818430, 2758448187455554600, 98031004815728160000, 3.487102885588045e+21 ]
[ "nonn", "easy" ]
A319962
[ 0, 0, 2, 19, 151, 836, 4148, 18635 ]
[ "nonn", "more" ]
A349163
[ 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 10, 1, 2, 1, 6, 1, 2, 3, 1, 1, 2, 1, 4, 1, 2, 1, 1, 1, 2, 1, 4, 1, 2, 1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1, 6, 1, 2, 3, 2, 1, 10, 1, 2, 1, ...
[ "nonn" ]
A101084
[ 0, 6, 8, 14, 18, 30, 36, 50, 86, 90, 96, 110, 114, 116, 126, 128, 134, 138, 140, 156, 158, 174, 186, 194, 200, 204, 218, 236, 258, 260, 266, 278, 294, 296, 300, 314, 326, 336, 338, 344, 348, 354, 366, 368, 378, 398, 420, 4...
[ "nonn" ]
A301431
[ 0, 0, 0, 1, 6, 1, 4, 3, 4, 13, 6, 1, 46, 9, 16, 7, 24, 41, 48, 9, 10, 81, 366, 35, 82, 21, 100, 39, 152, 71, 66, 377, 4, 27, 8, 25, 10, 225, 70, 13, 158, 125, 294, 3, 86, 81, 26, 133, 208, 141, 50, 31, 26, 127,...
[ "nonn" ]
A009576
[ 0, 1, -1, 6, -18, 115, -615, 4732, -36148, 337797, -3315645, 37027826, -440999526, 5768129783, -80507865347, 1210608394920, -19345811001000, 329208442723465, -5922785067664185, 112578608999452900, -2251115252850724000, 47281198104818200000, -1.0401008025615174e+21 ]
[ "sign", "easy" ]
A301987
[ 2, 3, 5, 7, 9, 11, 13, 17, 19, 23, 29, 30, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 84, 89, 97, 101, 103, 107, 108, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, ...
[ "nonn" ]
A243224
[ 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 2, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 2, 0...
[ "nonn" ]
A206356
[ 5, 884, 47060, 2545230, 137375464, 7427049378, 401471308746, 21705874723550, 1173549933694952, 63450684804324136, 3430620268033663000, 185485744651944070000, 1.002879590316689e+22, 5.422347053346733e+23 ]
[ "nonn" ]
A046865
[ 0, 1, 3, 9, 13, 15, 25, 39, 69, 165, 171, 209, 339, 2033, 6583, 15393, 282989, 498483, 504221, 754611, 864751 ]
[ "nonn", "hard", "nice", "more" ]
A283756
[ 2, 523, 1531, 2731, 12781, 785503, 1439089, 372901, 1678459, 3418531, 2986689, 62651791, 24463189, 11887633, 14486959, 144025633, 5546251, 55402591, 50246569, 896263, 64925929, 110217193, 130868911, 206925703, 93252169, 201500821, 15370051, 352151431, 46571986...
[ "nonn" ]
A060570
[ 0, 1, 8, 100, 2144, 80360 ]
[ "nonn" ]
A191689
[ 1, 9, 3, 4, 0, 0, 7, 1, 8, 2, 9, 8, 8, 2, 9, 0, 9, 7, 8, 7, 3, 3, 1, 2, 3, 3, 6, 2, 1, 9, 3, 2, 5, 1, 8, 2, 7, 4, 1, 1, 8, 5, 6, 3, 8, 7, 1, 4, 5, 8, 6, 0, 2, 2, 3, 7, 4, 9, 4, 6, 9, 5, 6, 7...
[ "nonn", "cons" ]
A166106
[ 0, 1, 1, 2, 5, 12, 25, 50, 96, 180, 331, 600, 1075, 1908, 3360, 5878, 10225, 17700, 30509, 52390, 89664, 153000, 260375, 442032, 748775, 1265832, 2136000, 3598250, 6052061, 10164540, 17048641, 28559450, 47786400, 79870428, 133359715, 222457608, ...
[ "nonn", "easy" ]
A352493
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 3, 0, 1, 4, 5, 3, 1, 3, 5, 7, 3, 5, 6, 8, 8, 11, 7, 6, 8, 15, 14, 14, 10, 15, 17, 21, 18, 23, 20, 28, 25, 31, 27, 35, 32, 33, 37, 46, 41, 50, 45, 58, 56...
[ "nonn" ]
A182283
[ 1, 1, 15, 3429, 18172005, 3030361658604, 20538495213667066000, 7.069329642959332e+27, 1.5057489063060635e+38, 2.3707506535431507e+50, 3.243062500615957e+64 ]
[ "nonn" ]
A044775
[ 62, 162, 262, 362, 462, 562, 629, 662, 762, 862, 962, 1062, 1162, 1262, 1362, 1462, 1562, 1629, 1662, 1762, 1862, 1962, 2062, 2162, 2262, 2362, 2462, 2562, 2629, 2662, 2762, 2862, 2962, 3062, 3162, 3262, 3362, 3462, 3562 ]
[ "nonn", "base" ]
A386665
[ 1, 1, 8, 90, 1336, 24406, 530234, 13410942, 388841734, 12762735148, 469004980720, 19105730068460, 855146084504046, 41724450644602330, 2204075802189470500, 125300401263988600000, 7.626356269363721e+21, 4.9472322957277225e+23, 3.4070289390944905e+25, 2.482276670026892e+27 ]
[ "nonn" ]
A132233
[ 13, 43, 73, 103, 163, 193, 223, 283, 313, 373, 433, 463, 523, 613, 643, 673, 733, 823, 853, 883, 1033, 1063, 1093, 1123, 1153, 1213, 1303, 1423, 1453, 1483, 1543, 1663, 1693, 1723, 1753, 1783, 1873, 1933, 1993, 2053, 2083, 2113, 214...
[ "nonn", "easy" ]
A176156
[ 1, 1, 1, 1, 3, 1, 1, 10, 10, 1, 1, 25, 67, 25, 1, 1, 51, 281, 281, 51, 1, 1, 91, 646, 1036, 646, 91, 1, 1, 148, -1217, -12536, -12536, -1217, 148, 1, 1, 225, -31079, -287223, -548785, -287223, -31079, 225, 1, 1, 325, -3428...
[ "sign", "tabl" ]
A100323
[ 1, 4, 75, 9424, 12669, 331783 ]
[ "base", "nonn", "more" ]
A110125
[ 1, 1, 1, 9, 43, 213, 1507, 12537, 114325, 1144221, 12512373, 148351881, 1892798733, 25816700309, 374406371121, 5748436717505, 93098093268755, 1585364420710205, 28305454044441844, 528500175862180030, 10295596472841578000 ]
[ "easy", "nonn" ]
A029947
[ 27, 343, 125, 27, 91125, 1331, 1728, 2197, 103823, 729, 1331, 3375, 531441, 343, 250047, 50653, 6859, 9261, 12167, 571787, 97336, 29791, 5832, 24389, 2197, 1191016, 103823, 10793861, 1092727, 11390625, 13481272, 13144256 ]
[ "nonn", "base" ]
A233987
[ 70176, 2520604, 88388464, 3423714364, 128552152496, 5022726159372, 191944315497416, 7487035849093952, 287988408968956700, 11207807841979935000, 432438537179737900000, 1.6802135571140887e+22 ]
[ "nonn" ]
A380889
[ 8, 81, 90, 100, 132, 1125, 1250, 1323, 1470, 1485, 1650, 2156, 2178, 2420, 2898, 3220, 6348, 6612, 12948, 15625, 18375, 20625, 21609, 24010, 24255, 26950, 27225, 30250, 35574, 35937, 36225, 39930, 40250, 47334, 47817, 53130, 58564, 71415, 7...
[ "nonn", "easy" ]
A164806
[ -1, 3, 0, 40, 4, -1, 1040, 23, 3003, 33, 24, 53, 34, 44, 54, 133, 124, 153, 134, 144, 154, 253, 234, 244, 254, 354, 444, 454, 1354, 1444, 1454, 2354, 2444, 2454, 3454, 4444, 4454 ]
[ "word", "sign" ]
A015838
[ 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, 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, -1, -1, -1, -1,...
[ "sign" ]
A222336
[ 36, 5766, 923526, 147918906, 23691810366, 3794659477146, 607781352505806, 97346856728146990, 15591808593304758000, 2.4973019507876996e+21, 3.999867620287525e+23, 6.4064904024834484e+25 ]
[ "nonn" ]
A109287
[ 16, 36, 40, 56, 88, 135, 156, 184, 204, 210, 220, 248, 250, 260, 296, 306, 315, 328, 330, 340, 342, 372, 414, 459, 472, 490, 516, 536, 546, 580, 584, 636, 650, 686, 690, 708, 714, 732, 735, 738, 804, 808, 819, 836, 850, 852, ...
[ "easy", "nonn" ]
A256792
[ 1, 4, 6, 7, 9, 11, 13, 14, 16, 17, 20, 22, 23, 25, 26, 28, 31, 33, 34, 36, 37, 39, 41, 44, 46, 47, 49, 52, 54, 56, 59, 61, 62, 64, 66, 69, 71, 73, 76, 78, 79, 81, 82, 85, 88, 90, 92, 95, 97, 98, 100, 102, 103, ...
[ "nonn", "easy" ]
A307599
[ 1, -1, -2, -2, -1, 2, 6, 11, 15, 16, 11, -2, -26, -61, -105, -152, -192, -209, -183, -89, 98, 400, 830, 1385, 2035, 2715, 3314, 3668, 3556, 2703, 790, -2521, -7550, -14542, -23591, -34546, -46901, -59670, -71261, -79358, -80830, -7169...
[ "sign" ]
A161179
[ 1, 4, 2, 7, 3, 5, 12, 8, 6, 9, 17, 11, 13, 10, 14, 24, 18, 16, 19, 15, 20, 31, 23, 25, 22, 26, 21, 27, 40, 32, 30, 33, 29, 34, 28, 35, 49, 39, 41, 38, 42, 37, 43, 36, 44, 60, 50, 48, 51, 47, 52, 46, 53, 45, 5...
[ "nonn", "tabl" ]
A065039
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 55, 56, 57, 58, 59...
[ "nonn", "base", "easy", "nice" ]
A323269
[ 1, 5, 19, 76, 307, 1245, 5052, 20503, 83207, 337674, 1370353, 5561177, 22568402, 91587225, 371679831, 1508353356, 6121208799, 24841126945, 100810413140, 409109434531, 1660250406747, 6737638344258, 27342725093429, 110962414029213, 450308346557186, 1827444083234205 ]
[ "nonn", "easy" ]
A164281
[ 1, 1, 2, 1, 2, 4, 2, 1, 2, 4, 2, 4, 8, 4, 2, 1, 2, 4, 2, 4, 8, 4, 2, 4, 8, 16, 8, 4, 8, 4, 2, 1, 2, 4, 2, 4, 8, 4, 2, 4, 8, 16, 8, 4, 8, 4, 2, 4, 8, 16, 8, 16, 32, 16, 8, 4, 8, 16, 8, 4, 8, 4, ...
[ "nonn", "tabf" ]
A143334
[ 1, 1, 1, 1, 4, 1, 1, 5, 5, 1, 1, 8, 8, 8, 1, 1, 11, 12, 12, 11, 1, 1, 14, 13, 14, 13, 14, 1, 1, 17, 17, 17, 17, 17, 17, 1, 1, 20, 20, 20, 20, 20, 20, 20, 1, 1, 23, 24, 24, 24, 24, 24, 24, 23, 1, 1, 30, ...
[ "nonn", "uned" ]
A189519
[ 3, 8, 13, 16, 21, 26, 31, 34, 39, 44, 48, 52, 57, 62, 65, 70, 75, 79, 83, 88, 93, 97, 101, 106, 110, 115, 119, 124, 128, 132, 137, 141, 146, 150, 155, 159, 164, 168, 173, 177, 181, 186, 190, 195, 199, 204, 208, 213, 217,...
[ "nonn" ]
A375696
[ 1, 0, 2, 3, 52, 245, 4206, 37807, 712552, 9755433, 207915490, 3830073731, 92948571420, 2139142283005, 58945940093782, 1617324856023255, 50252559901690580, 1593701025177559000, 55366628370374690000, 1.9865605600839944e+21 ]
[ "nonn" ]
A037862
[ 1, -1, 2, 2, 0, 0, 0, -2, 3, 3, 1, 3, 3, 1, 1, 1, -1, 1, 1, -1, 1, 1, -1, -1, -1, -3, 4, 4, 2, 4, 4, 2, 2, 2, 0, 4, 4, 2, 4, 4, 2, 2, 2, 0, 2, 2, 0, 2, 2, 0, 0, 0, -2, 2, 2, 0, 2, 2, 0, 0, 0, -2...
[ "base", "sign" ]
A078610
[ 1, 2, 3, 9, 15, 16, 17, 129, 129, 271, 256, 1055, 1025, 2048, 2049, 32769, 32769, 65537, 65536, 262144, 262144, 524289, 524288, 4194307, 4194311, 8388609, 8388608, 33554435, 33554433, 67108864, 67108865, 2147483649, 2147483649, 4294967297 ]
[ "nonn", "base" ]
A228962
[ 114, 228, 234, 582, 654, 1002, 1008, 1242, 1248, 1254, 1542, 1794, 1908, 2094, 2214, 2262, 2328, 2334, 2502, 2634, 2754, 2988, 3054, 3102, 3348, 3354, 3642, 4182, 4188, 4314, 4362, 4368, 4428, 4434, 4482, 4728, 4788, 4902, 5202, 5208, 5...
[ "nonn" ]
A330316
[ 1, 4, 0, 0, 8, 0, 0, 0, 4, 8, 0, 0, 0, 0, 0, 0, 8, 8, 0, 0, 0, 0, 0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0, 0, 0, 12, 0, 0, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
[ "nonn" ]
A293890
[ 1, 10, 100, 752, 5541, 36977, 243498, 1535725, 9622087, 59096165, 362231798, 2201156531, 13388589925, 81219563343, 494086167465, 3007727300865, 18380979656356, 112620528644918, 693158020152524, 4281848080792280, 26578705462004140, 165681105341062270 ]
[ "nonn" ]
A389084
[ 1, 5, 7, 25, 13, 35, 2, 125, 49, 65, 47, 175, 23, 10, 91, 625, 53, 245, 31, 325, 14, 235, 19, 875, 169, 115, 343, 50, 199, 455, 11, 3125, 329, 265, 26, 1225, 61, 155, 161, 1625, 293, 70, 89, 1175, 637, 95, 113, 4375, 4, ...
[ "nonn", "mult" ]
A077792
[ 3, 15, 171, 189, 547, 713, 2155, 3595, 13517, 60465 ]
[ "more", "nonn", "base" ]
A060579
[ 1, 6, 19, 68, 242, 704, 1981, 5140, 12364, 27614, 57598, 113108, 210812, 375606, 643646, 1066196, 1714445, 2685464, 4109493, 6158768, 9058119, 13097592, 18647371, 26175300, 36267330, 49651242, 67224024, 90083308, 119563302 ]
[ "easy", "nonn" ]
A036619
[ 1, 1, 1, 2, 4, 9, 20, 47, 112, 276, 684, 1713, 4295, 10797, 27103, 67985, 170202, 425420, 1061324, 2643451, 6573241, 16321357, 40469502, 100219208, 247888403, 612467226, 1511670488, 3727408256, 9182341969, 22600453960, 55579530018 ]
[ "nonn", "fini" ]
A321153
[ 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 16, 20, 24 ]
[ "nonn", "fini", "full" ]
A191855
[ 2, 5, 3, 10, 4, 13, 2, 17, 9, 5, 7, 11, 26, 4, 29, 6, 3, 2, 37, 19, 13, 41, 7, 4, 9, 2, 50, 13, 53, 27, 5, 8, 19, 58, 4, 61, 2, 65, 33, 17, 3, 14, 9, 73, 74, 4, 11, 3, 82, 28, 85, 43, 89, 10, 4, 31, 2, ...
[ "nonn" ]
A119198
[ 3, 6, 36, 66, 666, 333336, 936396, 963966, 3966336, 3996939936, 99363693366, 63666996693966, 339666999336666, 633636693339936, 39696699699366990, 999699963339963900, 36936333639936700000, 6.93366636666634e+27, 3.939963963339334e+29, 3.996933639666339e+29 ]
[ "nonn", "base" ]
A317291
[ 0, 1001, 1012, 1023, 1034, 1045, 1056, 1067, 1078, 1089, 1100, 1122, 1133, 1144, 1155, 1166, 1177, 1188, 1199, 1210, 1221, 1232, 1243, 1254, 1265, 1276, 1287, 1298, 1320, 1331, 1342, 1353, 1364, 1375, 1386, 1397, 1430, 1441, 1452, 1463, ...
[ "nonn", "base" ]
A052234
[ 727, 1033, 1747, 2837, 4093, 5387, 5897, 6337, 7121, 7867, 8887, 9467, 10723, 11437, 13751, 15077, 15313, 15791, 16097, 16333, 17047, 17117, 17321, 19597, 20177, 21401, 22147, 23167, 28541, 28573, 30307, 31327, 33641, 41017, 41597 ]
[ "nonn" ]
A217771
[ 1, -4, 4, 4, -12, 8, 12, -32, 20, 28, -72, 48, 60, -152, 96, 120, -300, 184, 228, -560, 344, 416, -1008, 608, 732, -1756, 1048, 1252, -2976, 1768, 2088, -4928, 2900, 3408, -7992, 4672, 5460, -12728, 7408, 8600, -19944, 11544, 13344,...
[ "sign" ]
A259097
[ 1, 1, 2, 2, 5, 5, 14, 15, 5, 42, 49, 21, 132, 168, 84, 14, 429, 594, 336, 84, 1430, 2145, 1350, 420, 42, 4862, 7865, 5445, 1980, 330, 16796, 29172, 22022, 9075, 1980, 132, 58786, 109174, 89232, 40898, 10725, 1287, 208012, 411502, ...
[ "nonn", "tabf" ]
A012677
[ 2, -16, 200, 1024, -765152, 142708480, -27846619008, 6367245656064, -1746851978927616, 576681176370802700, -228223153506206840000, 1.0758116979659195e+23, -5.993482963953922e+25 ]
[ "sign" ]
A332523
[ 5, 6, 11, 61, 316, 377, 4463, 4840, 9303, 51355, 60658, 1628463, 3317584, 38121887, 41439471, 79561358, 200562187, 280123545, 760809277, 73317814137, 74078623414, 147396437551, 221475060965, 368871498516, 590346559481, 226471603779739, 1359419969237915 ]
[ "nonn", "frac" ]
A330445
[ 0, 1, 1, 5, 19, 89, 691, 7265, 74299, 722489, 8224291, 130439825, 2456898379, 45287950889, 781106871091, 13479917085185, 268959501687259, 6688186010251289, 187628967639969100, 5285049770439072000, 144061583071243100000 ]
[ "nonn" ]
A209826
[ 6278, 479693, 37744836, 3025299170, 243825684732, 19693265761805, 1591829337311006, 128707386720462700, 10407791300279337000, 841650529261100100000, 6.806311960502038e+22, 5.504203358815345e+24 ]
[ "nonn" ]
A361330
[ 2, 3, 2, 3, 5, 2, 3, 2, 3, 5, 2, 3, 5, 3, 2, 3, 5, 2, 3, 2, 3, 7, 2, 3, 2, 3, 5, 2, 3, 2, 3, 5, 3, 2, 3, 5, 3, 2, 3, 5, 2, 3, 2, 3, 7, 2, 3, 2, 3, 5, 2, 3, 2, 3, 5, 3, 2, 3, 5, 3, 2, 3, 5, 2...
[ "nonn" ]
A259546
[ 0, 1, 8, 54, 192, 625, 1728, 4459, 10752, 24786, 55000, 118459, 248832, 511901, 1034488, 2058750, 4042752, 7846061, 15069888, 28677479, 54120000, 101370906, 188586728, 348669719, 640991232, 1172265625, 2133603368, 3866095494, 6976587072, 12541531081 ]
[ "nonn", "easy" ]
A293418
[ 0, 1, 1, 2, 4, 7, 11, 18, 29, 48, 77, 125, 203, 329, 533, 862, 1395, 2258, 3654, 5912, 9567, 15479, 25047, 40527, 65574, 106101, 171675, 277776, 449452, 727229, 1176682, 1903911, 3080594, 4984506, 8065100, 13049606, 21114706, 34164312, 5527...
[ "nonn", "easy" ]
A257973
[ 323, 767, 949, 989, 10001, 11111, 11611, 11911, 12121, 12521, 13031, 13631, 14041, 14141, 14941, 15151, 15751, 16861, 17071, 17371, 17671, 17771, 18581, 18881, 19091, 31813, 32023, 32723, 33133, 33233, 33433, 33833, 34043, 34343, 34943, 35953, ...
[ "nonn", "easy", "base" ]
A115541
[ 1.0204081632653062e+21, 4.0816326530612247e+21, 9.183673469387755e+21, 1.0667844969069562e+56, 1.2372175230400202e+56 ]
[ "nonn", "base" ]
A194759
[ 0, 1, 2, 0, 2, 4, 0, 3, 6, 0, 4, 8, 12, 3, 8, 13, 2, 8, 14, 1, 8, 15, 0, 8, 16, 24, 6, 15, 24, 4, 14, 24, 2, 13, 24, 0, 12, 24, 36, 9, 22, 35, 6, 20, 34, 3, 18, 33, 0, 16, 32, 48, 12, 29, 46, 8, 26, 44,...
[ "nonn" ]
A203383
[ 1, 7, 49, 252, 1519, 11585, 86156, 606221, 4325033, 31601858, 230910283, 1678821743, 12222650420, 89226320509, 651653318187, 4758063707123, 34749854417031, 253886944760666, 1855215535222434, 13557207303083136 ]
[ "nonn" ]
A328031
[ 1, 1, 3, 18, 172, 2343, 42439, 976050, 27583338, 934173632, 37180409223, 1711870023666, 90007747560742, 5346164992890599, 355442084718552200, 26244000000000000000, 2.137205155719002e+21, 1.9081136806299335e+23, 1.8577775646585814e+25, 1.963166636163974e+27 ]
[ "nonn", "easy" ]
A268398
[ 1, 2, 3, 7, 8, 9, 10, 14, 17, 18, 19, 23, 24, 25, 26, 42, 43, 46, 47, 51, 52, 53, 54, 58, 63, 64, 91, 95, 96, 97, 98, 114, 115, 116, 117, 129, 130, 131, 132, 136, 137, 138, 139, 143, 146, 147, 148, 164, 171, 176, 177...
[ "nonn" ]