id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A042063
[ 1, 1, 2, 7, 9, 34, 43, 77, 3585, 3662, 7247, 25403, 32650, 123353, 156003, 279356, 13006379, 13285735, 26292114, 92162077, 118454191, 447524650, 565978841, 1013503491, 47187139427, 48200642918, 95387782345, 334363989953, 429751772298, 1623619306847 ]
[ "nonn", "frac", "easy" ]
A013647
[ 2, 5, 6, 10, 11, 12, 17, 18, 20, 26, 27, 28, 30, 37, 38, 39, 40, 41, 42, 50, 51, 55, 56, 65, 66, 68, 72, 82, 83, 84, 87, 89, 90, 101, 102, 104, 105, 110, 122, 123, 126, 128, 130, 131, 132, 145, 146, 147, 148, 150, 15...
[ "nonn" ]
A080883
[ 1, 3, 2, 1, 5, 4, 3, 2, 1, 7, 6, 5, 4, 3, 2, 1, 9, 8, 7, 6, 5, 4, 3, 2, 1, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, ...
[ "nonn", "easy" ]
A202137
[ 6, 9, 11, 16, 20, 21, 23, 27, 29, 30, 31, 33, 34, 36, 37, 38, 41, 44, 45, 46, 49, 53, 56, 58, 59, 60, 61, 63, 64, 65, 66, 68, 71, 72, 76, 79, 80, 81, 82, 85, 86, 91, 93, 94, 96, 97, 98, 101, 102, 104, 106, 107, 1...
[ "nonn" ]
A244578
[ 1, 2, 6, 13, 33, 50, 85, 107, 155, 255, 298, 433, 523, 578, 678, 873, 1076, 1185, 1421, 1581, 1705, 1968, 2159, 2494, 3002, 3250, 3365, 3615, 3788, 4072, 5152, 5449, 5990, 6141, 7057, 7280, 7917, 8507, 8847, 9553, 10164, 10531, 1164...
[ "nonn" ]
A034342
[ 1, 2, 4, 8, 16, 36, 80, 194, 505, 1439, 4559, 16580, 70491, 361339, 2278637, 17745061, 166540680, 1794040168, 20987476447, 254684454328, 3107605995993, 37418101305011, 439995775004885, 5025781692126252, 55627454599068010, 596148004493419500, 6186335017615751000, ...
[ "nonn" ]
A102828
[ 1, 3, 7, 13, 19, 25, 31, 41, 47, 57, 65, 69, 75, 83, 91, 101, 109, 119, 131, 137, 143, 153, 161, 167, 177, 185, 195, 203, 213, 223, 237, 249, 261, 267, 275, 283, 293, 301, 311, 323, 331, 341, 351, 365, 377, 389, 397, 407, ...
[ "nonn", "easy", "base" ]
A347780
[ 1, 1, 2, 4, 7, 14, 26, 45, 71, 105, 151, 214, 291, 379, 473, 593, 744, 919, 1095, 1301, 1563, 1884, 2203, 2536, 2929, 3427, 3929, 4433, 4979, 5692, 6422, 7158, 7904, 8863, 9844, 10830, 11810, 13078, 14378, 15706, 17007, 18718, 20424...
[ "nonn" ]
A334369
[ 1, 1, 1, 1, 1, -1, 1, 1, 1, 2, 1, 1, 3, 2, -6, 1, 1, 5, 14, 4, 24, 1, 1, 7, 38, 86, 14, -120, 1, 1, 9, 74, 384, 664, 38, 720, 1, 1, 11, 122, 1042, 4854, 6136, 216, -5040, 1, 1, 13, 182, 2204, 18344, 73614, 66240,...
[ "sign", "tabl" ]
A106986
[ 5, 7, 13, 19, 31, 41, 47, 59, 73, 83, 89, 97, 167, 223, 227, 229, 241, 271, 293, 307, 349, 353, 383, 397, 409, 461, 479, 509, 577, 587, 593, 619, 643, 661, 691, 733, 761, 769, 773, 787, 811, 839, 853, 929, 941, 983, 1021, ...
[ "nonn", "easy" ]
A117056
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 101, 111, 121, 131, 141, 151, 161, 171, 191, 202, 212, 222, 303, 313, 404, 1001, 1111, 1221, 1331, 2002, 2112, 3003, 3113, 4004, 10001, 10101, 10201, 10301, 10401, 10501, 10601, 10701, ...
[ "base", "nonn" ]
A066743
[ 1, 1, 3, 1, 2, 1, 4, 2, 2, 1, 2, 2, 5, 1, 2, 1, 5, 3, 2, 1, 4, 2, 4, 1, 2, 1, 4, 2, 2, 2, 4, 2, 4, 1, 2, 1, 4, 3, 2, 1, 2, 2, 6, 1, 2, 1, 9, 2, 2, 1, 2, 2, 4, 1, 3, 1, 8, 2, 2, 1, 2, 2, 4, 2...
[ "nonn" ]
A390308
[ 1, 2, 1, 1, 3, 1, 2, 4, 1, 1, 1, 2, 3, 1, 3, 5, 1, 1, 2, 6, 1, 4, 2, 4, 1, 1, 1, 1, 7, 1, 2, 3, 8, 1, 1, 3, 2, 5, 1, 5, 9, 1, 1, 1, 2, 3, 5, 1, 6, 2, 3, 3, 1, 1, 4, 10, 1, 2, 4, 11, 1, 1, 1, ...
[ "nonn", "tabf", "new" ]
A307178
[ 2, 1, 6, 3, 9, 5, 3, 4, 1, 3, 7, 3, 8, 6, 5, 2, 8, 4, 8, 7, 7, 0, 0, 0, 4, 0, 1, 0, 2, 1, 8, 0, 2, 3, 1, 1, 7, 0, 9, 3, 7, 3, 8, 6, 0, 2, 1, 5, 0, 7, 9, 2, 2, 7, 2, 5, 3, 3, 5, 7, 4, 1, 1, 9...
[ "cons", "nonn" ]
A027810
[ 1, 12, 63, 224, 630, 1512, 3234, 6336, 11583, 20020, 33033, 52416, 80444, 119952, 174420, 248064, 345933, 474012, 639331, 850080, 1115730, 1447160, 1856790, 2358720, 2968875, 3705156, 4587597, 5638528, 6882744, 8347680, 10063592, 12063744, 14384601, ...
[ "nonn", "easy" ]
A339606
[ 6, 8, 6, 5, 0, 3, 3, 4, 2, 3, 3, 8, 6, 2, 3, 8, 8, 5, 9, 6, 4, 6, 0, 5, 2, 1, 2, 1, 8, 6, 8, 5, 4, 7, 5, 2, 1, 8, 2, 2, 3, 2, 6, 9, 9, 2, 1, 9, 6, 3, 6, 1, 8, 8, 4, 5, 8, 6, 3, 4, 4, 1, 4, 9...
[ "nonn", "cons" ]
A243418
[ 1, 15, 144, 1115, 7509, 45864, 261185, 1412742, 7350116, 37106514, 182907585, 884290974, 4207172844, 19747711113, 91627676418, 420914259695, 1916722429108, 8660949017183, 38866735108620, 173341678278027, 768774806179919, 3392247359157876, 14899045118613988 ]
[ "nonn" ]
A381001
[ 56, 34, 8, 57, 18, 47, 9, 31, 33, 20, 54, 48, 7, 29, 59, 10, 26, 43, 13, 23, 64, 38, 4, 49, 19, 5, 35, 30, 53, 12, 46, 60, 15, 25, 63, 2, 41, 24, 50, 40, 6, 55, 17, 11, 36, 58, 32, 45, 61, 16, 42, 52, 27, 1, ...
[ "nonn", "tabf", "fini", "full" ]
A011319
[ 1, 1, 3, 2, 2, 9, 3, 6, 2, 5, 3, 4, 0, 5, 3, 6, 5, 8, 7, 9, 9, 5, 2, 5, 8, 5, 5, 9, 8, 7, 7, 5, 8, 7, 8, 5, 0, 1, 7, 6, 6, 9, 3, 8, 4, 9, 7, 7, 4, 9, 2, 6, 9, 6, 0, 1, 4, 8, 8, 4, 3, 4, 1, 6...
[ "nonn", "cons" ]
A133796
[ 6, 9, 14, 17, 25, 28, 38, 41, 48, 55, 64, 71, 76, 81, 86, 99, 108, 112, 122, 128, 131, 141, 148, 158, 171, 178, 185, 192, 195, 200, 218, 224, 231, 234, 255, 262, 272, 281, 286, 294, 301, 304, 320, 326, 331, 340, 353, 366, ...
[ "easy", "nonn" ]
A012513
[ 0, 0, 2, -3, 12, -40, -50, 1449, -23016, 261288, -2306342, 15798365, 33379940, -3972201168, 100308059878, -1917671123655, 28943854480688, -288514829730256, -1435208344849998, 189049167829499230 ]
[ "sign" ]
A137334
[ 1, 2, 10, 45, 302, 3102, 45795 ]
[ "nonn" ]
A006155
[ 1, 2, 9, 61, 551, 6221, 84285, 1332255, 24066691, 489100297, 11044268633, 274327080611, 7433424980943, 218208342366093, 6898241919264181, 233651576126946100, 8441657595745501000, 324052733365292900000, 1.3171257161208184e+22, 5.650929187934292e+23 ]
[ "nonn", "easy" ]
A019480
[ 4, 12, 37, 115, 358, 1115, 3473, 10818, 33697, 104963, 326950, 1018419, 3172281, 9881362, 30779529, 95875387, 298642966, 930245227, 2897627873, 9025842914, 28114666162, 87574585658, 272786737320, 849705465331, 2646753962113, 8244393877392, 25680524664755 ]
[ "nonn" ]
A226725
[ 1, 4, 2, 12, 3, 24, 4, 40, 5, 60, 6, 84, 7, 112, 8, 144, 9, 180, 10, 220, 11, 264, 12, 312, 13, 364, 14, 420, 15, 480, 16, 544, 17, 612, 18, 684, 19, 760, 20, 840, 21, 924, 22, 1012, 23, 1104, 24, 1200, 25, 1300, 26,...
[ "nonn", "easy" ]
A015090
[ 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, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,...
[ "sign" ]
A289221
[ 540, 600, 630, 660, 750, 810, 840, 900, 930, 1050, 1080, 1320, 1380, 1500, 1560, 1590, 1740, 2040, 2070, 2280, 2310, 2520, 2580, 2970, 3150, 3240, 3720, 4020, 4350, 4530, 4620, 5460, 6270, 6300, 7260, 7560, 7800, 7980, 11730, 12210, 140...
[ "fini", "full", "nonn" ]
A324819
[ 0, 3, 7, 6, 15, 14, 31, 14, 12, 31, 63, 30, 127, 50, 22, 30, 255, 30, 511, 54, 39, 114, 1023, 62, 28, 214, 28, 118, 2047, 42, 4095, 62, 118, 434, 42, 62, 8191, 770, 148, 126, 16383, 110, 32767, 198, 44, 1826, 65535, 126, ...
[ "nonn" ]
A100803
[ 1, 3, 3, 7, 3, 7, 3, 7, 11, 3, 11, 7, 3, 7, 11, 11, 3, 11, 7, 3, 11, 7, 11, 15, 7, 3, 7, 3, 7, 27, 7, 11, 3, 19, 3, 11, 11, 7, 11, 11, 3, 19, 3, 7, 3, 23, 23, 7, 3, 7, 11, 3, 19, 11, 11, 11, 3, 11, 7,...
[ "nonn", "easy" ]
A201743
[ 2, 1, 5, 8, 7, 2, 6, 0, 6, 4, 4, 8, 1, 2, 2, 4, 6, 2, 4, 1, 4, 0, 2, 4, 0, 7, 5, 4, 8, 1, 3, 8, 5, 6, 7, 1, 7, 7, 5, 5, 9, 0, 7, 4, 1, 5, 7, 7, 7, 6, 7, 1, 4, 4, 8, 1, 8, 8, 9, 1, 8, 6, 8, 7...
[ "nonn", "cons" ]
A024488
[ 3, 18, 210, 3150, 54054, 1009008, 19953648, 411543990, 8764362750, 191413682460, 4266468608220, 96706621786320, 2223107844022800, 51721284534408000, 1215794995122150700, 28837137540553510000 ]
[ "nonn", "easy" ]
A012445
[ 2, 0, 40, -2688, -31712, -13038080, -341144960, -124075126784, -16972742475264, 4013224846508032, -4370688326014458000, 2.734360152236818e+21, -2.0755170875702126e+24, 1.7122565298423246e+27, -1.5799218041257585e+30 ]
[ "sign" ]
A124053
[ 7, 18, 45, 61, 72, 85, 90, 145, 270, 306, 315, 367, 376, 448, 477, 540, 547, 585, 667, 733, 756, 765, 943, 1152, 1377, 1899, 1971, 2106, 2133, 2155, 2215, 2224, 2349, 2628, 2822, 2871, 2968, 3123, 3139, 3181, 3204, 3355, 3546, 355...
[ "nonn", "base" ]
A295432
[ 1, 462, 579462, 825012300, 1240292449350, 1922257130698212, 3037843525927941000, 4.866407206411279e+21, 7.873830606510489e+24, 1.2837724391783996e+28, 2.1058175422921385e+31, 3.4712605923460404e+34 ]
[ "nonn" ]
A358497
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 12, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12...
[ "nonn", "base", "easy" ]
A277503
[ 0, 1, 2, 7, 48, 469, 5584, 80235, 1367040, 26840841, 595623680, 14752565807, 403579762688, 12084385256605, 393093330282496, 13804177426246996, 520496287836012540, 20973496057176404000, 899452315670554100000, 4.090321573768539e+22 ]
[ "nonn" ]
A065144
[ 11, 41, 19, 163, 251, 367, 149, 641, 181, 1009, 1213, 1447, 1693, 11969, 2251, 12569, 1289, 13241, 1361, 4001, 2441, 14843, 3529, 15761, 6257, 6761, 2729, 7841, 6841, 9001, 6961, 10243, 10891, 115601, 12251, 12967, 11369, 14447, 15217, 16...
[ "base", "nonn" ]
A144554
[ 1, 1, 1, 3, 3, 7, 8, 25, 25, 82, 85, 302, 307, 1111, 1131, 4216, 4267, 16076, 16253, 61976, 62475, 239927, 241447, 933576, 937574, 3644073, 3653624, 14267757, 14281711, 55996279, 55968648, 220244340, 219829297, 867868410, 865120447, 3425522409, ...
[ "nonn" ]
A015660
[ 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...
[ "sign" ]
A195182
[ 0, 1, 2, 2, 3, 3, 4, 4, 5, 6, 6, 7, 7, 8, 8, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 15, 15, 16, 16, 17, 17, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25, 25, 26, 26, 27, 28, 28, 29, 29, 30, 30, 31, 31...
[ "nonn" ]
A156070
[ 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 3, 3, 2, 1, 1, 3, 5, 5, 5, 3, 1, 1, 5, 8, 9, 9, 8, 5, 1, 1, 8, 13, 15, 16, 15, 13, 8, 1, 1, 13, 21, 25, 27, 27, 25, 21, 13, 1, 1, 21, 34, 41, 45, ...
[ "nonn", "tabl" ]
A265937
[ 2, 4, 24, 248, 3600, 67296, 1538672, 41593920, 1297683360, 45891815040, 1814072216864, 79263667304640, 3793393788125760, 197339219789611200, 11087608251010390000, 669127189486395200000, 4.316710818999153e+22, 2.964541208087967e+24, 2.1593486921027478e+26, 1.6627513858173095e+28...
[ "nonn" ]
A240967
[ 248, 418, 681, 733, 871, 1288, 1448, 1828, 2188, 2248, 2428, 2614, 2622, 2641, 2818, 3414, 3422, 3441, 3773, 4148, 4228, 4314, 4322, 4341, 4418, 4891, 4981, 6214, 6222, 6241, 6681, 6861, 7373, 7733, 7881, 8128, 8218, 8491, 8661, 8781, 8...
[ "nonn", "base" ]
A185836
[ 0, 1773, 424197, 560733777, 3293066139075, 91469611366917650 ]
[ "nonn" ]
A334915
[ 0, 8, 9, 14, 15, 16, 17, 30, 31, 32, 33, 62, 63, 64, 65, 66, 67, 72, 73, 74, 75, 84, 85, 86, 87, 92, 93, 94, 95, 96, 97, 98, 99, 104, 105, 106, 107, 116, 117, 118, 119, 124, 125, 126, 127, 128, 129, 130, 131, 148, 14...
[ "nonn", "base" ]
A116836
[ 1, 2, 6, 21, 72, 233, 739, 2343, 7458, 23801, 76016, 242777, 775265, 2475513, 7904587, 25240597, 80598107, 257366469, 821825201, 2624260190, 8379812195, 26758495711, 85445488885, 272845382481, 871252605664, 2782092566535 ]
[ "nonn", "easy" ]
A318845
[ 1, 3, 6, 6, 8, 18, 10, 10, 24, 24, 14, 36, 16, 30, 48, 15, 20, 72, 22, 48, 60, 42, 26, 60, 46, 48, 82, 60, 32, 144, 34, 21, 84, 60, 80, 144, 40, 66, 96, 80, 44, 180, 46, 84, 192, 78, 50, 90, 76, 138, 120, 96, 56,...
[ "nonn", "mult" ]
A353601
[ 5, 7, 8, 18, 65, 17, 325, 99, 38, 7, 1432, 485, 1445, 18, 37, 2050625, 5357, 27493, 325, 18, 18, 1299108307, 12807125, 9077774, 1432, 325, 325, 65 ]
[ "nonn", "tabl", "more" ]
A366491
[ 0, 0, 27594, 61171656, 14467258260, 1003867701480, 32071565263710, 599941851861744, 7585009898729256, 71097458824894320, 526315789473684200, 3218899497284976000, 16814736808980154000, 76943173177655070000, 314542313628890230000, 1.1667567473963687e+21, 3.976729669784964e+21, 1.2582...
[ "nonn", "easy" ]
A301606
[ 1, 10, 26, 226, 1297, 8888, 60841, 421168, 2940940, 20639456, 145157471, 1021952648, 7197614571, 50704160874, 357234289578, 2517047832160, 17735602594473, 124970744650942, 880592489506775, 6205028171908948 ]
[ "nonn" ]
A139019
[ 1, 2, 5, 11, 13, 17, 79, 83, 33554221, 33554501, 2198956146619, 2198956147781, 9002801275337659, 9002801275339331 ]
[ "nonn" ]
A086752
[ 1, 32, 8112, 17971200, 355207057920, 63010655570903040, 1.005053563192916e+23, 1.4423619501100918e+30, 1.8627632260241224e+38, 2.1650545870048373e+47, 2.264736353104099e+57 ]
[ "nonn", "easy" ]
A094941
[ 1, 2, 2, 8, 12, 64, 120, 768, 1680, 12288, 30240, 245760, 665280, 5898240, 17297280, 165150720, 518918400, 5284823040, 17643225600, 190253629440, 670442572800, 7610145177600, 28158588057600, 334846387814400, 1295295050649600 ]
[ "nonn" ]
A126760
[ 0, 1, 1, 1, 1, 2, 1, 3, 1, 1, 2, 4, 1, 5, 3, 2, 1, 6, 1, 7, 2, 3, 4, 8, 1, 9, 5, 1, 3, 10, 2, 11, 1, 4, 6, 12, 1, 13, 7, 5, 2, 14, 3, 15, 4, 2, 8, 16, 1, 17, 9, 6, 5, 18, 1, 19, 3, 7, 10, 20, 2, ...
[ "nonn" ]
A166100
[ 1, 1, 5, 7, 27, 22, 39, 15, 68, 76, 63, 92, 250, 117, 203, 186, 165, 175, 333, 156, 410, 430, 270, 423, 1029, 357, 689, 440, 513, 767, 915, 504, 780, 1072, 759, 994, 1314, 725, 1155, 1343, 2187, 1577, 1360, 957, 1958, 1547, ...
[ "nonn" ]
A247050
[ 0, 1, 0, 1, 0, 1, 0, 2, 1, 2, 1, 2, 1, 4, 3, 4, 4, 5, 4, 9, 8, 9, 12, 13, 12, 22, 21, 22, 33, 34, 33, 56, 55, 56, 88, 89, 88, 145, 144, 145, 232, 233, 232, 378, 377, 378, 609, 610, 609, 988, 987, 988, 1596, 159...
[ "nonn", "tabf", "easy" ]
A386436
[ 1, 2, 6, 42, 1770, 47058, 547470, 8648458, 623254170 ]
[ "nonn", "more" ]
A192421
[ 2, 0, 3, 1, 8, 8, 28, 43, 111, 204, 466, 924, 2007, 4109, 8740, 18136, 38240, 79799, 167643, 350664, 735554, 1540104, 3228459, 6762553, 14172272, 29691368, 62217172, 130356451, 273144327, 572305140, 1199164498, 2512579140, 5264623167, 11030890949 ]
[ "nonn" ]
A284641
[ 1, 12, 66, 220, 495, 792, 924, 792, 495, 232, 198, 672, 1981, 3960, 5544, 5544, 3960, 1980, 726, 792, 2982, 7920, 13860, 16632, 13860, 7920, 2970, 880, 2046, 7920, 18480, 27720, 27720, 18480, 7920, 1980, 727, 4092, 14520, 29700, 38610, ...
[ "nonn" ]
A345085
[ 2016496, 4525632, 4783680, 5268024, 6366816, 7451352, 7457120, 8275392, 9063144, 9086104, 9931167, 10036872, 10266138, 10371024, 10973880, 12002472, 12452049, 12983517, 13639816, 13641480, 13818384, 13832729, 14090112, 15081984, 15212016, 15685704, 16131968 ]
[ "nonn" ]
A255708
[ 0, 0, 1, 1, -1, -1, 4, 2, 2, -3, -5, -2, -7, -2, 5, 3, 3, -5, -4, -4, 6, 5, -6, -3, -10, 11, -6, 4, 18, 11, 19, 7, 12, 12, 6, -13, 19, 7, -10, -7, -9, -14, 13, 23, -28, -8, -14, 9, 8, -22, -9, -8, 23, -11, 15...
[ "sign", "look" ]
A270765
[ 1, 4, 16, 67, 299, 1429, 7307, 39848, 230884, 1416047, 9160977, 62316137, 444424965, 3314372728, 25786012724, 208842481687, 1757367578867, 15337268316933, 138603393210479, 1295082562497364, 12494759080718152, 124314054484739040, 1274003246005735400 ]
[ "nonn" ]
A344078
[ 4, 9, 5, 5, 0, 9, 8, 8, 1, 5, 3, 0, 8, 4, 7, 4, 3, 5, 4, 9, 6, 0, 6, 5, 0, 7, 1, 9, 2, 7, 4, 9, 7, 2, 0, 1, 4, 6, 9, 6, 9, 9, 4, 3, 3, 9, 6, 7, 7, 1, 5, 1, 0, 6, 4, 0, 4, 4, 8, 4, 3, 3, 6, 5...
[ "cons", "nonn" ]
A319628
[ 1, 1, 2, 2, 3, 3, 10, 11, 37, 80, 233 ]
[ "nonn", "more" ]
A210325
[ 0, 0, 0, 0, 6, 56, 343, 1534, 6067, 22162, 76899, 257792, 843616, 2712241, 8606426, 27040628, 84311895 ]
[ "nonn", "more" ]
A165028
[ 0, 126, 41958 ]
[ "base", "nonn", "bref" ]
A241381
[ 0, 1, 1, 2, 3, 5, 5, 9, 11, 17, 22, 30, 41, 53, 73, 92, 121, 155, 200, 255, 324, 408, 516, 643, 796, 1009, 1231, 1529, 1872, 2317, 2792, 3452, 4168, 5073, 6115, 7433, 8875, 10741, 12816, 15400, 18344, 21923, 25997, 30999, 36693,...
[ "nonn", "easy" ]
A363174
[ 1, 0, 0, 0, 4, 4, 0, 0, 10, 20, 5, 0, 20, 60, 30, 0, 35, 140, 105, 7, 56, 280, 280, 16, 84, 504, 630, 84, 120, 840, 1260, 180, 165, 1320, 2310, 462, 220, 1980, 3960, 796, 286, 2860, 6435, 1716, 364, 4004, 10010, 2856, 45...
[ "nonn", "tabf" ]
A108343
[ 100, 105, 108, 110, 120, 121, 130, 132, 135, 140, 143, 150, 154, 160, 165, 170, 176, 180, 187, 190, 192, 195, 198, 200, 220, 225, 231, 240, 242, 253, 260, 264, 275, 280, 286, 297, 300, 315, 330, 341, 352, 360, 363, 374, 385, 3...
[ "nonn", "base", "easy" ]
A123895
[ 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 11, 12, 12, 12, 12, 12, 12, 12, 12, 10, 12, 11, 12, 12, 12, 12, 12, 12, 12, 10, 12, 12, 11, 12, 12, 12, 12, 12, 12, 10, 12, 12, 12, 11, 12, 12, 12, 12, 12, 10, 12, 12, 12, 12...
[ "nonn", "base" ]
A389168
[ 252, 736, 2640, 510, 6624, 22512, 966, 4816, 50400, 145728, 1716, 8448, 39072, 273840, 630240, 14220, 12064, 54912, 199680, 975744, 1799280, 3744, 746400, 77520, 279072, 877200, 2635776, 4476096, 2496, 27072, 31405920, 352032, 1098960, 2228016, 605...
[ "nonn", "tabl" ]
A006216
[ 2, 5, 14, 46, 178, 800, 4094, 23536, 150178, 1053440, 8057774, 66750976, 595380178, 5688903680, 57975175454, 627692271616, 7195247514178, 87056789995520, 1108708685037134, 14825405274259456, 207676251991176200 ]
[ "nonn", "easy", "nice" ]
A133331
[ 0, 1, 3, 6, 9, 15, 18, 27, 27, 36, 27, 27, 0, -27, -81, -162, -243, -405, -486, -729, -729, -972, -729, -729, 0, 729, 2187, 4374 ]
[ "sign" ]
A070975
[ 1, 7, 5, 16, 14, 9, 12, 20, 15, 18, 106, 21, 109, 29, 104, 11, 32, 19, 27, 102, 115, 35, 110, 30, 118, 25, 87, 100, 113, 12, 46, 28, 90, 41, 23, 15, 36, 23, 67, 31, 31, 18, 44, 119, 26, 119, 39, 70, 13, 34, 83, 52,...
[ "easy", "nonn" ]
A317296
[ 1, 2, 3, 4, 5, 7, 8, 10, 11, 15, 16, 21, 22, 27, 30, 31, 41, 42, 56, 57, 69, 73, 76, 77, 101, 102, 134, 135, 160, 172, 176, 177, 221, 230, 231, 297, 298, 353, 380, 384, 385, 490, 491, 604, 615, 626, 627 ]
[ "nonn", "more" ]
A235700
[ 1, 2, 4, 8, 11, 12, 14, 18, 21, 22, 24, 28, 31, 32, 34, 38, 41, 42, 44, 48, 51, 52, 54, 58, 61, 62, 64, 68, 71, 72, 74, 78, 81, 82, 84, 88, 91, 92, 94, 98, 101, 102, 104, 108, 111, 112, 114, 118, 121, 122, 124, 128...
[ "nonn", "easy" ]
A222381
[ 2, 16, 64, 232, 1024, 4096, 16224, 65536, 262144, 1047680, 4194304, 16777216, 67104256, 268435456, 1073741824, 4294944768, 17179869184, 68719476736, 274877800448, 1099511627776, 4398046511104, 17592185552896, 70368744177664 ]
[ "nonn" ]
A149121
[ 1, 1, 4, 9, 34, 94, 368, 1131, 4398, 14236, 55984, 188576, 740000, 2551442, 10067316, 35443271, 139712062, 498416468, 1971107420, 7122847862, 28153558524, 102603939062, 406431688608, 1494188962016, 5916706122284, 21880889654074, 86779037261076, 322951842854822, ...
[ "nonn", "walk" ]
A194699
[ 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, ...
[ "nonn" ]
A324061
[ 0, 0, 0, 2, 10, 76, 682, 9864, 245518, 11366961 ]
[ "nonn", "more" ]
A377712
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 10, 21, 11, 23, 12, 25, 13, 27, 14, 29, 10, 31, 16, 11, 17, 35, 12, 37, 19, 13, 10, 41, 14, 43, 11, 15, 23, 47, 12, 49, 10, 17, 13, 53, 18, 1...
[ "nonn", "base", "easy" ]
A035495
[ 1, 1, 6, 19, 43, 66, 80, 66, 43, 19, 6, 1, 1 ]
[ "nonn", "fini", "full", "nice" ]
A121748
[ 1, 1, 1, 2, 3, 1, 6, 11, 6, 1, 16, 44, 42, 16, 2, 66, 209, 254, 147, 40, 4, 246, 1005, 1647, 1377, 615, 138, 12, 1248, 5792, 11246, 11799, 7192, 2533, 474, 36, 5976, 33164, 78760, 104276, 83932, 41912, 12628, 2088, 144, 36120,...
[ "nonn", "tabl" ]
A132616
[ 1, 1, 1, 6, 80, 1666, 47232, 1694704, 73552752, 3744491970, 218684051648, 14406896813608, 1056681951098592, 85379764462169380, 7534286318509306000, 720884741940337300000, 7.433013186200243e+22, 8.215901579822006e+24, 9.690694896659246e+26 ]
[ "nonn" ]
A196281
[ 1, 5, 7, 335, 3621, 193137, 13307143, 3369153109, 1022753961763, 921078606743691 ]
[ "nonn" ]
A123456
[ -20, 56, 55, 56, 55, 56, 51, 54, 52, 49, 32, 37, 40, 44, 49, 51, 32, 36, 44, 48, 51, 52, 32, 37, 44, 56, 55, 56, 55, 56, 51, 54, 52, 49, 32, 37, 40, 44, 49, 51, 32, 36, 44, 52, 51, 49, 32, 37, -20, 56, 55, 56, 55...
[ "sign", "hear", "fini", "full" ]
A114606
[ 2, 15, 17, 19, 21, 25, 29, 31, 33, 35, 41, 51, 55, 65, 73, 77, 79, 83, 89, 91, 93, 95, 97, 101, 107, 111, 123, 131, 133, 139, 141, 145, 149, 151, 155, 157, 173, 179, 183, 197, 201, 203, 205, 215, 221, 223, 227, 229, 233,...
[ "easy", "nonn" ]
A006736
[ 0, 4, 24, 104, 384, 1284, 4012, 11924, 34100, 94584, 255852, 677850, 1764482, 4523924, 11447870, 28636218, 70907326, 173991368, 423469988, 1023162920, 2455645268, 5858183260, 13898041838, 32804047708, 77067740230 ]
[ "nonn" ]
A373650
[ 72, 20664, 66600, 84744, 89784, 141240, 175032, 232680, 271272, 288072, 378984, 428472, 620472, 697320, 740520, 789672, 792360, 1016472, 1063272, 1207704, 1250472, 1304472, 1338600, 1570584, 1617672, 1628472, 1844472, 2150712, 2186472, 2283672, 2399112, ...
[ "nonn" ]
A013975
[ 1, 0, 0, 0, 6, 504, 0, 0, 143388, 565760, 0, 0, 18473000, 51180024, 0, 0, 818626500, 1912896000, 0, 0, 20556578700, 43222528000, 0, 0, 357139677440, 697599931392, 0, 0, 4764286992816, 8806299845112, 0, 0, 51954490735875, 91956846489088, 0, 0 ]
[ "nonn" ]
A161023
[ 35655, 106966, 53483, 160450, 80225, 240676, 120338, 60169, 180508, 90254, 45127, 135382, 67691, 203074, 101537, 304612, 152306, 76153, 228460, 114230, 57115, 171346, 85673, 257020, 128510, 64255, 192766, 96383, 289150, 144575, 433726 ]
[ "nonn", "look", "easy" ]
A051372
[ 567, 594, 621, 648, 675, 702, 729, 747, 774, 810, 828, 864, 900, 909, 936, 972, 1008, 1026, 1053, 1080, 1098, 1116, 1143, 1170, 1197, 1224, 1260, 1287, 1323, 1350, 1368, 1395, 1422, 1440, 1458, 1485, 1503, 1530, 1548, 1575, 1602, 1629...
[ "nonn", "base", "easy", "less" ]
A388392
[ 1, 0, 8, 6, 6, 1, 0, 1, 6, 0, 7, 4, 3, 5, 8, 1, 1, 0, 4, 5, 5, 0, 7, 1, 5, 7, 8, 6, 4, 0, 9, 0, 6, 0, 3, 9, 5, 8, 0, 9, 1, 8, 8, 1, 9, 3, 5, 5, 2, 2, 7, 2, 7, 0, 2, 3, 8, 0, 4, 3, 1, 6, 3, 1...
[ "nonn", "cons" ]
A097069
[ 6, 7, 8, 10, 11, 13, 14, 16, 19, 20, 23, 25, 26, 28, 31, 34, 35, 38, 40, 41, 44, 46, 49, 53, 55, 56, 58, 59, 61, 68, 70, 73, 74, 79, 80, 83, 86, 88, 91, 94, 95, 100, 101, 103, 104, 110, 116, 118, 119, 121, 124, 125...
[ "easy", "nonn" ]
A157923
[ 48, 194, 438, 780, 1220, 1758, 2394, 3128, 3960, 4890, 5918, 7044, 8268, 9590, 11010, 12528, 14144, 15858, 17670, 19580, 21588, 23694, 25898, 28200, 30600, 33098, 35694, 38388, 41180, 44070, 47058, 50144, 53328, 56610, 59990, 63468, 67044 ]
[ "nonn", "easy" ]
A138299
[ 9, 12, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 50, 54, 55, 60, 63, 66, 70, 77, 80, 88, 91, 93, 99, 121, 124, 129, 156, 171, 172, 182, 215, 219, 228, 242, 255, 273, 285, 292, 312, 333, ...
[ "nonn", "base", "changed" ]
A076986
[ 2, 3, 7, 5, 6, 7, 15, 17, 10, 11, 23, 13, 14, 15, 31, 17, 35, 19, 39, 21, 22, 23, 47, 73, 26, 53, 55, 29, 30, 31, 94, 33, 34, 35, 71, 37, 38, 39, 79, 41, 42, 43, 87, 89, 46, 47, 95, 97, 197, 51, 103, 53, 107, 5...
[ "easy", "nonn" ]
A101043
[ 1, 2, 6, 22, 88, 112, 116, 202, 242, 284, 470, 718, 772, 1326, 1328, 1334, 1642, 1732, 1762, 2402, 2558, 3274, 5246, 5888, 7094, 7702, 7984, 9512, 9952, 9974, 10342, 10532, 12688, 13528, 16766, 25678, 25708, 37666, 59894, 60458, 61756, ...
[ "nonn" ]
A228859
[ 1, 1, 1, 3, 3, 1, 19, 15, 6, 1, 195, 125, 45, 10, 1, 3031, 1545, 480, 105, 15, 1, 67263, 27307, 7035, 1400, 210, 21, 1, 2086099, 668367, 140098, 24045, 3430, 378, 28, 1, 89224635, 22427001, 3746925, 536214, 68355, 7434, 630, 36, ...
[ "nonn", "tabl" ]
A130021
[ 8, 21, 9, 20, 0, 22, 9, 14, 7, 20, 5, 20, 21, 14, 0, 14, 5, 22, 6, 0, 22, 9, 14, 7, 20, 0, 26, 5, 18, 15, 0, 22, 9, 14, 7, 20, 4, 5, 21, 24, 0, 14, 5, 22, 6, 0, 17, 21, 1, 20, 15, 18, 26, 5 ]
[ "base", "easy", "nonn", "word" ]