id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A341125
[ 1, 1, 2, 3, 5, 6, 10, 13, 18, 22, 30, 35, 47, 54, 68, 78, 97, 107, 132, 146, 173, 190, 225, 242, 285, 305, 352, 377, 434, 456, 525, 553, 627, 659, 748, 778, 881, 916, 1028, 1068, 1197, 1232, 1381, 1421, 1578, 1619, 1801, 1837, 2041, 2079, 2296, 2337, 2583, 2613 ]
[ "nonn" ]
A352988
[ 1, 0, 1, -1, -1, 1, 0, -2, -2, 1, 0, 0, -3, -3, 1, 0, 0, 0, -4, -4, 1, 0, 0, 0, 0, -5, -5, 1, 0, 0, 0, 0, 0, -6, -6, 1, 0, 0, 0, 0, 0, 0, -7, -7, 1, 0, 0, 0, 0, 0, 0, 0, -8, -8, 1, 0, 0, 0, 0, 0, 0, 0, 0, -9, -9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, -10, -10, 1 ]
[ "sign", "easy", "tabl" ]
A216058
[ 600, 1488, 19890, 69030, 77688, 153888, 175392, 204750, 263400, 296478, 328848, 373230, 385392, 397152, 402528, 450600, 510048, 523488, 609600, 632352, 710910, 965400, 1101672, 1109400, 1128600, 1163232, 1206768, 1251432, 1318410, 1393938, 1423968, 1427400 ]
[ "nonn" ]
A125191
[ 2, 7, 37, 239, 241, 2521, 32341, 540539, 540541, 232792559, 232792561, 207030183359, 311671001662019, 4.128762142937572e+28, 5.8015273869696694e+63 ]
[ "nonn" ]
A337203
[ 1, 3, 12, 7, 72, 28, 576, 15, 91, 168, 6912, 60, 96768, 1344, 546, 31, 1741824, 195, 34836480, 360, 4368, 16128, 836075520, 124, 2821, 225792, 600, 2880, 25082265600, 1170, 802632499200, 63, 52416, 4064256, 22568, 403, 30500034969600, 81285120, 733824, 744, 1281001468723200, 9360, 56364064623820800, 34560, 3600, 1950842880 ]
[ "nonn" ]
A095870
[ 1, 10, 120, 17020, 20503, 156520, 1087075, 1021735, 1026028, 1053426, 104653, 10623745, 10280845, 1004653, 10568503, 10725396, 10762480, 12890503, 10348975, 10394520, 101495628, 100543290, 102495403, 100359028, 104972805, 124780503 ]
[ "nonn", "base" ]
A352171
[ 7, 13, 3, 1547803 ]
[ "nonn", "more" ]
A389354
[ 0, 3, 98, 969, 108878, 312018, 3694603, 10078344, 100468830, 1086820980, 4258790305, 10549105808, 32350651245, 144668863570, 343512402093, 1044916071794, 1207337145420, 10416809232063, 109731742000660, 166942232236153 ]
[ "nonn", "easy" ]
A306168
[ 5, 21, 30, 93, 249, 544, 1372, 3411, 8269, 20472, 50397, 123803, 305272, 751590, 1849735, 4556239, 11219928, 27625541, 68032151, 167535478, 412552316, 1015939459, 2501834023, 6160893450, 15171602577, 37361209577, 92004521524 ]
[ "nonn" ]
A130459
[ 1, 3, 2, 3, 6, 4, 3, 6, 12, 8, 3, 6, 12, 24, 16, 3, 6, 12, 24, 48, 32, 3, 6, 12, 24, 48, 96, 64, 3, 6, 12, 24, 48, 96, 192, 128, 3, 6, 12, 24, 48, 96, 192, 384, 256 ]
[ "nonn", "tabl" ]
A167724
[ 1369, 2401, 2809, 3481, 5929, 9409, 10201, 14161, 16129, 17689, 25921, 28561, 32761, 41209, 44521, 64009, 94249, 100489, 108241, 116281, 117649, 130321, 137641, 146689, 157609, 170569, 175561, 177241, 196249, 201601, 218089, 219961 ]
[ "base", "nonn" ]
A139293
[ 0, 3, 63, 1023, 262143, 4194303, 1073741823, 17179869183, 4398046511103, 18014398509481984, 288230376151711740, 1.1805916207174113e+21, 3.022314549036573e+23, 4.835703278458517e+24 ]
[ "nonn" ]
A276214
[ 1, 3, 4, 6, 8, 9, 11, 12, 13, 15, 16, 18, 19, 21, 22, 23, 25, 26, 28, 29, 30, 32, 33, 35, 36, 37, 39, 40, 41, 43, 44, 46, 47, 48, 50, 51, 52, 54, 55, 56, 58, 59, 60, 62, 63, 64, 66, 67, 68, 70, 71, 72, 73, 75, 76, 77, 79, 80, 81, 83, 84, 85, 87, 88, 89, 90 ]
[ "nonn", "easy" ]
A180718
[ 1, 1, 3, 8, 25, 80, 271, 952, 3443, 12758, 48212, 185283, 722227, 2849955, 11366379, 45757142, 185726603, 759401542, 3125472832, 12939604503, 53856950922, 225250407802, 946253665230, 3991221520996, 16897320866269, 71782331694315 ]
[ "nonn" ]
A048449
[ 7, 13, 23, 30, 44, 52, 68, 80, 94, 114, 126, 146, 160, 176, 194, 210, 232, 246, 266, 282, 296, 318, 336, 358, 380, 398, 412, 428, 448, 464, 500, 514, 550, 560, 592, 604, 630, 650, 670, 690, 716, 728, 758, 766, 796, 814, 846, 874, 898, 920, 934, 958, 972, 1004 ]
[ "nonn" ]
A088438
[ 2, 6, 4, 7, 24, 35, 8, 18, 70, 88, 12, 29, 140, 165, 16, 40, 234, 266, 20, 52, 352, 391, 24, 64, 494, 540, 28, 76, 660, 713, 32, 88, 850, 910, 36, 99, 1064, 1131, 40, 111, 1302, 1376, 44, 123, 1564, 1645, 48, 135, 1850, 1938, 52, 147, 2160, 2255, 56, 159, 2494 ]
[ "nonn", "uned" ]
A228294
[ 0, 10, 2046, 88572, 1398100, 12207030, 72559410, 329554456, 1227133512, 3922632450, 11111111110, 28531167060, 67546215516, 149346699502, 311505013050, 617839704240, 1172812402960, 2141993519226, 3780494710542, 6471681049900, 10778947368420, 17513875027110 ]
[ "nonn", "easy" ]
A024220
[ 2, 19, 71, 188, 410, 784, 1367, 2226, 3435, 5078, 7249, 10049, 13589, 17990, 23380, 29897, 37689, 46911, 57728, 70315, 84854, 101537, 120566, 142150, 166508, 193869, 224469, 258554, 296380, 338210, 384317, 434984, 490501, 551168, 617295, 689199 ]
[ "nonn" ]
A157648
[ 2, 8, 5, 2, 3, 2, 2, 0, 8, 9, 5, 0, 7, 9, 4, 0, 4, 6, 9, 8, 0, 3, 7, 8, 2, 9, 5, 0, 6, 5, 3, 7, 3, 9, 1, 9, 5, 4, 0, 5, 0, 1, 6, 7, 4, 7, 2, 1, 1, 6, 6, 0, 6, 2, 6, 6, 3, 9, 1, 0, 2, 7, 8, 5, 9, 4, 3, 9, 3, 6, 1, 1, 5, 1, 8, 5, 0, 0, 6, 2, 2, 5, 8, 3, 0, 2, 0, 7, 4, 9, 6, 5, 4, 3, 6, 9, 9, 6, 2, 2, 0, 8, 6, 1, 2 ]
[ "cons", "nonn", "easy" ]
A243564
[ 1, 1, 1, 1, 1, 4, 3, 3, 2, 18 ]
[ "nonn", "more" ]
A068440
[ 3, 2, 1, 12, 13, 1, 13, 12, 4, 6, 12, 2, 11, 7, 14, 5, 0, 8, 4, 8, 4, 7, 7, 3, 14, 0, 6, 9, 1, 9, 13, 1, 14, 5, 0, 9, 6, 3, 13, 11, 7, 9, 12, 6, 9, 7, 3, 9, 14, 10, 3, 7, 3, 1, 14, 7, 9, 12, 13, 14, 1, 0, 10, 8, 14, 13, 4, 12, 6, 3, 0, 10, 8, 3, 11, 9, 11, 5, 13, 10, 4, 6, 4, 10, 9, 1, 5, 2 ]
[ "easy", "nonn", "cons", "base" ]
A148869
[ 1, 1, 3, 8, 29, 93, 358, 1331, 5232, 20772, 84819, 348269, 1459026, 6155455, 26254063, 112869377, 488935002, 2130797874, 9344281029, 41178638659, 182340725116, 810836851530, 3619595549928, 16214896709620, 72876670584921, 328508026895054, 1484923372550990, 6729257976836687, 30567187200593084 ]
[ "nonn", "walk" ]
A225861
[ 15, 19, 21, 23, 25, 31, 37, 39, 57, 67, 75, 77, 83, 99, 107, 111, 115, 145, 165, 175, 189, 195, 207, 235, 237, 247, 273, 293, 303, 311, 315, 337, 351, 353, 361, 395, 405, 439, 445, 471, 477, 493, 495, 499, 537, 545, 555, 567, 569, 581, 585, 591, 619, 631 ]
[ "nonn" ]
A389775
[ 1, 1, 5, 1, 19, 5, 41, 1, 5, 19, 109, 5, 155, 41, 95, 1, 271, 5, 341, 19, 205, 109, 505, 5, 19, 155, 5, 41, 811, 95, 929, 1, 545, 271, 779, 5, 1331, 341, 775, 19, 1639, 205, 1805, 109, 95, 505, 2161, 5, 41, 19, 1355, 155, 2755, 5, 2071, 41, 1705, 811, 3421, 95 ]
[ "nonn", "mult", "easy" ]
A254199
[ 2, 1, 4, 9, 21, 47, 118, 333, 984, 3362, 12643, 39490, 98542, 227138, 581068, 1805114, 6540668, 24406560, 85426548, 274421967, 815755674, 2293410096, 6495970695, 20483223847, 74509476318, 290215121856, 1104108812114, 3894326230239 ]
[ "nonn" ]
A053965
[ 4, 9, 49, 7744, 44944, 797449, 4794494447474944, 77777777797498000000, 7.499499997777978e+53 ]
[ "nonn", "base", "more" ]
A215406
[ 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4 ]
[ "nonn", "look" ]
A092573
[ 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 3, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 3, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 3, 0, 0, 1, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 2, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0 ]
[ "nonn" ]
A232245
[ 0, 2, 2, 4, 2, 5, 4, 6, 2, 5, 5, 8, 4, 7, 6, 8, 2, 5, 5, 8, 5, 9, 8, 7, 4, 8, 7, 10, 6, 9, 8, 10, 2, 5, 5, 8, 5, 9, 8, 11, 5, 8, 9, 11, 8, 12, 7, 9, 4, 8, 8, 9, 7, 12, 10, 12, 6, 10, 9, 12, 8, 11, 10, 12, 2, 5, 5, 8, 5, 9, 8, 11, 5, 9, 9, 13, 8, 11, 11, 10, 5, 9 ]
[ "nonn", "base" ]
A279753
[ 1, 1, 10, 11, 11100, 1111, 1100000, 1101111, 10000, 1101011111, 100000, 110010111111, 11001000000, 11111101111111, 1010000000, 1111100011111111, 111100000000, 111011001111111100, 10111100000000000, 11000000101111112000, 11011010010000000000 ]
[ "nonn", "easy" ]
A026076
[ 1, 2, 12, 62, 339, 1882, 10594, 60216, 344846, 1986620, 11499940, 66835540, 389741279, 2279233530, 13362109050, 78505098150, 462109616730, 2724728263348, 16089931091944, 95141866318652 ]
[ "nonn" ]
A068958
[ 3, 1, 3, 8, 9, 11, 14, 0, 0, 0, 0, 23, 0, 29, 30, 0, 0, 4, 0, 0, 22, 48, 2, 17, 0, 54, 56, 21, 65, 4, 23, 74, 0, 39, 0, 83, 0, 89, 90, 0, 96, 49, 0, 15, 111, 0, 114, 116, 0, 15, 25, 128, 131, 134, 0, 0, 14, 0, 73, 0, 0, 156, 0, 55, 168, 0, 58, 16, 0, 183, 93, 189, 191, 194, 0, 100 ]
[ "nonn" ]
A017110
[ 59049, 25937424601, 6131066257801, 205891132094649, 2758547353515625, 21611482313284250, 119042423827613010, 511116753300641400, 1822837804551761400, 5631351470947266000, 15516041187205853000 ]
[ "nonn", "easy" ]
A351431
[ 1999066711391, 2636673539579, 3122297178449, 4233023119991, 4235725694999, 4858710857681, 5400576157877, 5444462267039, 5677577653031, 7020864564479, 7183460847791, 7193762869919, 7347344126141, 7400390925491, 7810943851019, 7889498850089, 7918641256541, 8389062763121 ]
[ "nonn" ]
A342362
[ 1, 10, 31, 76, 145, 254, 399, 600, 849, 1170, 1551, 2020, 2561, 3206, 3935, 4784, 5729, 6810, 7999, 9340, 10801, 12430, 14191, 16136, 18225, 20514, 22959, 25620, 28449, 31510, 34751, 38240, 41921, 45866, 50015, 54444, 59089, 64030, 69199, 74680, 80401, 86450, 92751, 99396, 106305, 113574 ]
[ "nonn", "easy" ]
A341735
[ 0, 1, 11, 50, 154, 375, 781, 1456, 2500, 4029, 6175, 9086, 12926, 17875, 24129, 31900, 41416, 52921, 66675, 82954, 102050, 124271, 149941, 179400, 213004, 251125, 294151, 342486, 396550, 456779, 523625, 597556, 679056, 768625, 866779, 974050, 1090986, 1218151, 1356125 ]
[ "nonn", "easy" ]
A047436
[ 5, 6, 13, 14, 21, 22, 29, 30, 37, 38, 45, 46, 53, 54, 61, 62, 69, 70, 77, 78, 85, 86, 93, 94, 101, 102, 109, 110, 117, 118, 125, 126, 133, 134, 141, 142, 149, 150, 157, 158, 165, 166, 173, 174, 181, 182, 189, 190 ]
[ "nonn" ]
A177486
[ 1, 1, 1, 2, 3, 5, 8, 15, 26, 46, 81, 149, 272, 499, 916, 1701, 3168, 5921, 11095, 20880, 39407, 74558, 141386, 268776, 512059, 977419, 1869033, 3580161, 6868969, 13198565, 25396248, 48931453, 94395624, 182317031, 352522329, 682346776 ]
[ "nonn" ]
A030827
[ 1, 2, 6, 26, 130, 785, 5497, 43983, 395847, 3958473, 43543211, 522518536, 6792740972, 95098373611, 1426475604177, 22823609666834, 388001364336187, 6984024558051373, 132696466602976100, 2653929332059522000 ]
[ "nonn" ]
A191135
[ 1, 4, 13, 16, 40, 49, 52, 64, 121, 148, 157, 160, 193, 196, 208, 256, 364, 445, 472, 481, 484, 580, 589, 592, 625, 628, 640, 769, 772, 784, 832, 1024, 1093, 1336, 1417, 1444, 1453, 1456, 1741, 1768, 1777, 1780, 1876, 1885, 1888, 1921, 1924, 1936, 2308, 2317, 2320, 2353, 2356, 2368, 2497, 2500, 2512, 2560, 3073, 3076 ]
[ "nonn" ]
A212545
[ 0, 0, 1, 1, 3, 4, 8, 11, 19, 25, 39, 52, 75, 98, 137, 175, 236, 300, 393, 493, 635, 787, 997, 1227, 1531, 1869, 2309, 2796, 3420, 4119, 4994, 5979, 7201, 8574, 10260, 12164, 14470, 17082, 20225, 23778, 28025, 32838, 38542, 45011, 52642, 61286, 71434, 82937 ]
[ "nonn" ]
A228259
[ 57, 1723, 36471, 596591, 7795501, 83538705, 761638071, 6537612649, 54701587935, 452558355481, 3719467815855, 30436607366089, 248242046141055, 2019169299698041, 16385984911571536, 132716292890482740 ]
[ "nonn" ]
A157497
[ 1, 1, 2, 1, 0, 3, 1, 4, 0, 4, 1, 0, 0, 0, 5, 1, 6, 9, 0, 0, 6, 1, 0, 0, 0, 0, 0, 7, 1, 8, 0, 16, 0, 0, 0, 8, 1, 0, 18, 0, 0, 0, 0, 0, 9, 1, 10, 0, 0, 25, 0, 0, 0, 0, 10, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 1, 12, 30, 40, 0, 36, 0, 0, 0, 0, 0, 12 ]
[ "nonn", "tabl" ]
A048199
[ 3, 2, 0, 8, 4, 2, 8, 6, 2, 6, 4, 8, 4, 2, 8, 2, 6, 4, 8, 4, 2, 6, 2, 6, 8, 4, 2, 8, 6, 2, 8, 4, 8, 6, 6, 4, 8, 2, 8, 2, 6, 4, 4, 2, 8, 6, 4, 2, 8, 6, 2, 6, 4, 4, 8, 2, 6, 4, 8, 4, 2, 2, 8, 4, 2, 8, 4, 8, 8, 6, 2, 6, 8, 2, 6, 2, 6, 8, 4, 6, 6, 4, 4, 2, 6, 2, 6, 8, 4, 2, 8, 6, 8, 4, 6, 2, 6, 4, 2, 4, 8, 8, 2, 6, 4 ]
[ "easy", "nonn" ]
A127151
[ 1, 2, 4, 1, 8, 6, 16, 26, 32, 100, 64, 364, 1, 128, 1288, 14, 256, 4488, 118, 512, 15504, 780, 1024, 53296, 4466, 2048, 182688, 23276, 4096, 625184, 113620, 8192, 2137408, 528840, 16384, 7303360, 2375100, 1, 32768, 24946816, 10378056, 30, 65536 ]
[ "nonn", "tabf" ]
A140646
[ 0, 13, 15, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 43, 44, 45, 46, 48, 49, 50 ]
[ "nonn" ]
A326911
[ 0, 3, 7, 9, 10, 11, 12, 13, 14, 15, 18, 19, 22, 23, 25, 26, 27, 28, 29, 30, 31, 33, 35, 37, 39, 41, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 62, 63, 67, 71, 73, 74, 75, 76, 77, 78, 79, 82, 83, 86, 87, 89, 90, 91, 92, 93, 94, 95 ]
[ "nonn" ]
A010553
[ 1, 2, 2, 2, 2, 3, 2, 3, 2, 3, 2, 4, 2, 3, 3, 2, 2, 4, 2, 4, 3, 3, 2, 4, 2, 3, 3, 4, 2, 4, 2, 4, 3, 3, 3, 3, 2, 3, 3, 4, 2, 4, 2, 4, 4, 3, 2, 4, 2, 4, 3, 4, 2, 4, 3, 4, 3, 3, 2, 6, 2, 3, 4, 2, 3, 4, 2, 4, 3, 4, 2, 6, 2, 3, 4, 4, 3, 4, 2, 4, 2 ]
[ "nonn", "easy" ]
A335118
[ 2, 0, 4, 5, 2, 0, 1, 4, 2, 8, 3, 8, 9, 2, 6, 4, 3, 0, 1, 7, 8, 1, 3, 4, 4, 2, 9, 0, 9, 8, 4, 5, 5, 5, 7, 6, 6, 7, 7, 3, 1, 1, 4, 8, 9, 3, 5, 0, 7, 6, 3, 3, 9, 7, 0, 0, 6, 4, 2, 4, 8, 2, 4, 8, 9, 8, 6, 2, 2, 7, 4, 4, 0, 4, 5, 1, 3, 1, 9, 8, 5, 4, 0, 7, 0, 7, 6 ]
[ "nonn", "cons" ]
A072615
[ 0, 3, 16, 81, 392, 1815, 8112, 35301, 150544, 632043, 2620880, 10759353 ]
[ "dead" ]
A296223
[ 1, 3, 9, 34, 124, 453, 1654, 6040, 22055, 80532, 294058, 1073735, 3920679, 14316124, 52274468, 190877084, 696976221, 2544966858, 9292793804, 33932079081, 123900951107, 452416889887, 1651973131976, 6032080786047, 22025781112962, 80425818360771 ]
[ "nonn", "easy" ]
A092029
[ 1, 5, 7, 11, 29, 773, 1321, 2621 ]
[ "dead" ]
A107206
[ 139, 211, 379, 409, 619, 811, 859, 1051, 1171, 1201, 1321, 1459, 1489, 1609, 1801, 2179, 2251, 2281, 2371, 2539, 2659, 3019, 3121, 3169, 3361, 3529, 3571, 3769, 3931, 4099, 4201, 4651, 5059, 5419, 5449, 5641, 5689, 5779, 5851, 5881, 6091 ]
[ "nonn", "easy" ]
A081528
[ 1, 4, 18, 48, 300, 360, 2940, 6720, 22680, 25200, 304920, 332640, 4684680, 5045040, 5405400, 11531520, 208288080, 220540320, 4423058640, 4655851200, 4888643760, 5121436320, 123147264240, 128501493120, 669278610000, 696049754400 ]
[ "nonn", "easy" ]
A219050
[ 1, 2, 3, 5, 7, 9, 10, 17, 27, 34, 51, 57, 61, 89, 98, 171, 547, 569, 769, 874, 1105, 2198, 2307, 3937, 4685, 5105, 5582, 11131, 11821, 15902, 24626, 36401, 46195, 50974, 65198, 66685 ]
[ "nonn", "more" ]
A121260
[ 0, 0, 1, 1, 2, 2, 3, 3, 5, 5, 7, 7, 8, 8, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, 31, 31, 32, 32, 33, 33, 34, 34, 36, 36, 37, 37, 38, 38, 39, 39, 40, 40, 41, 41, 42, 42 ]
[ "easy", "nonn" ]
A313533
[ 1, 5, 10, 14, 19, 23, 27, 31, 35, 40, 44, 49, 54, 59, 64, 68, 73, 77, 81, 85, 89, 94, 98, 103, 108, 113, 118, 122, 127, 131, 135, 139, 143, 148, 152, 157, 162, 167, 172, 176, 181, 185, 189, 193, 197, 202, 206, 211, 216, 221 ]
[ "nonn" ]
A217089
[ 12, 90, 104, 234, 271, 339, 420, 421, 428, 429, 464, 805, 909, 934, 1054, 1114, 1116, 1128, 1144, 1159, 1193, 1364, 1788, 2086, 2215, 2254, 2448, 2461, 2593, 2595, 2771, 2787, 2829, 2859, 2952, 3029, 3075, 3144, 3250, 3265, 3268, 3301, 3701, 3752, 3875, 4026 ]
[ "nonn" ]
A373108
[ 16, 196, 1608, 5784, 16848, 37300, 78420, 136920, 233336, 363200, 565700 ]
[ "nonn", "more" ]
A118852
[ 1, 9, 17, 79, 105, 59, 103, 39, 101, 19, 99, 107, 79, 105, 59, 103, 39, 101, 19, 99, 107, 79, 105, 59, 103, 39, 101, 19, 99, 107, 79, 105, 59, 103, 39, 101, 19, 99, 107, 79, 105, 59, 103, 39, 101, 19, 99, 107, 79, 105, 59, 103, 39, 101, 19, 99, 107, 79, 105, 59, 103 ]
[ "base", "nonn" ]
A250279
[ 16, 79, 240, 581, 1132, 1991, 3156, 4841, 7024, 9807, 13180, 17561, 22788, 28943, 36012, 44421, 53964, 65179, 77596, 91809, 107508, 124907, 143800, 165353, 188792, 214495, 242152, 272493, 305164, 341051, 379132, 420569, 464568, 511663, 561324 ]
[ "nonn" ]
A360655
[ 3, 4, 6, 5, 10, 6, 15, 7, 10, 21, 8, 28, 9, 36, 10, 45, 11, 15, 20, 55, 12, 66, 13, 78, 14, 91, 15, 105, 16, 21, 35, 120, 17, 136, 18, 153, 19, 171, 20, 190, 21, 35, 210, 22, 28, 56, 231, 23, 253, 24, 276, 25, 300, 26, 325, 27, 351, 28, 378, 29, 36, 84, 406, 30, 435 ]
[ "nonn", "tabf" ]
A023400
[ 2, 9, 9, 2, 9, 2, 2, 2, 2, 2, 2, 9, 9, 2, 9, 9, 9, 9, 2, 2, 9, 2, 9, 2, 9, 2, 2, 9, 2, 2, 9, 2, 2, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 9, 2, 2, 9, 9, 2, 9, 9, 9, 9, 9, 2, 9, 2, 9, 2, 2, 9, 9, 9, 2, 2, 9, 9, 9, 2, 9, 2, 2, 2, 2, 9, 9, 9, 9, 9, 9, 9, 9, 2, 9, 2, 9, 2, 2, 2, 9, 9, 2, 2, 2, 9, 9, 2, 9, 9, 2, 9, 9, 9, 2, 2, 9, 9 ]
[ "nonn", "base" ]
A168178
[ 0, 1, 20, 135, 544, 1625, 3996, 8575, 16640, 29889, 50500, 81191, 125280, 186745, 270284, 381375, 526336, 712385, 947700, 1241479, 1604000, 2046681, 2582140, 3224255, 3988224, 4890625, 5949476, 7184295, 8616160, 10267769, 12163500 ]
[ "nonn", "easy" ]
A147905
[ 1, 2, 6, 16, 74, 384, 1970, 10282, 65472, 408096, 3135626, 22226326, 167840010, 1477742556, 12643496462, 132500787090 ]
[ "nonn" ]
A218535
[ 1, 2, 3, 3, 4, 4, 5, 5, 15, 9, 3, 5, 5, 25, 35, 14, 7, 7, 8, 4, 7, 7, 7, 14, 42, 42, 30, 18, 8, 16, 20, 10, 25, 45, 27, 27, 33, 11, 11, 11, 33, 33, 33, 24, 6, 9, 9, 12, 15, 15, 21, 21, 42, 66, 36, 108, 117, 13, 65, 91, 91, 91, 13, 13, 39, 33, 22, 22, 11, 13 ]
[ "nonn" ]
A254041
[ 0, 0, 0, 0, 1, 1, 1, 1, 2, 1, 2, 3, 2, 2, 3, 1, 3, 4, 2, 2, 4, 2, 3, 5, 3, 3, 5, 2, 4, 6, 2, 4, 6, 2, 4, 6, 4, 3, 6, 4, 3, 7, 4, 3, 8, 3, 4, 7, 3, 4, 7, 4, 5, 7, 5, 5, 9, 5, 5, 12, 4, 4, 10, 3, 5, 7, 4, 5, 6, 5, 6, 8, 4, 5, 9, 2, 5, 8, 3, 5, 8, 4, 4, 9, 6, 4, 9 ]
[ "nonn", "easy" ]
A167443
[ 41, 241, 541, 641, 941, 1741, 2141, 2341, 2441, 2741, 3041, 3541, 4241, 4441, 5441, 5641, 5741, 6841, 7541, 7741, 7841, 8641, 8741, 8941, 9041, 9241, 9341, 9941, 10141, 11941, 12041, 12241, 12541, 12641, 12841, 12941, 13241, 13441, 13841, 14341 ]
[ "base", "nonn" ]
A174616
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 89, 655, 3622, 16348, 63635, 223997, 720406, 2148017, 6015901, 16005646 ]
[ "nonn", "more" ]
A257136
[ 2, 0, 3, 4, 6, 8, 6, 1, 2, 3, 9, 6, 8, 8, 9, 8, 2, 7, 9, 4, 2, 9, 0, 3, 5, 8, 5, 9, 5, 8, 1, 8, 4, 1, 0, 5, 5, 8, 0, 3, 6, 3, 4, 9, 8, 0, 0, 6, 5, 7, 0, 7, 1, 2, 3, 6, 8, 4, 8, 1, 7, 3, 2, 8, 0, 0, 8, 6, 6, 4, 3, 6, 5, 8, 0, 3, 9, 1, 5, 7, 9, 5, 7, 6, 5, 5, 4, 7, 9, 5, 5, 8, 7, 7, 0, 7, 0, 3, 4, 1, 0, 6 ]
[ "nonn", "cons", "easy" ]
A128504
[ 1, 3, 3, -2, -9, -9, 3, 18, 18, -4, -30, -30, 5, 45, 45, -6, -63, -63, 7, 84, 84, -8, -108, -108, 9, 135, 135, -10, -165, -165, 11, 198, 198, -12, -234, -234, 13, 273, 273, -14, -315, -315, 15, 360, 360, -16, -408, -408, 17, 459, 459 ]
[ "sign", "easy" ]
A043957
[ 46, 53, 110, 117, 174, 181, 238, 245, 302, 309, 366, 375, 431, 437, 494, 501, 558, 565, 622, 629, 686, 693, 750, 757, 814, 821, 878, 887, 943, 949, 1006, 1013, 1070, 1077, 1134, 1141, 1198, 1205, 1262, 1269, 1326, 1333, 1390 ]
[ "nonn", "base" ]
A029517
[ 1, 2, 3, 4, 6, 8, 10, 12, 20, 23, 3726, 4900, 5120, 7452, 8350, 59708, 483713, 1565449, 2048350, 2109790, 2968633, 4123900, 6745900, 6883670 ]
[ "nonn", "base", "more" ]
A143559
[ 1, 1, 12, 72, 1012, 9552, 148764, 1609496, 26398020, 305821344, 5174354988, 62479377384, 1079265357204, 13399747245040, 234917433809724, 2975608178304696, 52748683164797660, 678307369324850400 ]
[ "nonn" ]
A045945
[ 0, 12, 42, 90, 156, 240, 342, 462, 600, 756, 930, 1122, 1332, 1560, 1806, 2070, 2352, 2652, 2970, 3306, 3660, 4032, 4422, 4830, 5256, 5700, 6162, 6642, 7140, 7656, 8190, 8742, 9312, 9900, 10506, 11130, 11772, 12432, 13110, 13806, 14520, 15252, 16002, 16770, 17556 ]
[ "nonn", "easy" ]
A255749
[ 512, 7765, 51064, 118925, 196744, 473630, 739776, 2509233, 2833848, 15683280, 11443688, 103505234, 46550488, 787249560, 193199064, 5867658716, 807118704, 47135689832, 3371471992, 363872055032, 14120529208, 2966121353072 ]
[ "nonn" ]
A253745
[ 7803, 29737, 247252, 1143174, 5195288, 17656505, 54890203, 150904540, 390365827, 928677156, 2090553259, 4473135405, 9220179921, 18291567088, 35191833486, 65909750009, 120749865702, 216723296865, 382241803433, 663962769116 ]
[ "nonn" ]
A119827
[ 0, 0, 0, 1, 4, 16, 60, 212, 728, 2444, 8064, 26256, 84576, 270048, 855936, 2696080, 8446912, 26341696, 81812544, 253181888, 781005440, 2402311616, 7370247168, 22558917120, 68901651456, 210037106688, 639127277568, 1941624275200, 5889576530944, 17839902853120 ]
[ "nonn", "easy" ]
A355175
[ 1, 0, -9, 45, 931, 6392, 29205, 104497, 315469, 838696, 2018523, 4482765, 9314943, 18301648, 34277321, 61592769, 106738105, 179155504, 292282207, 464869581, 722629755, 1100267400, 1643960605, 2414361521, 3490194501, 4972536856, 6989875075, 9704037421, 13317112215, 18079469856, 24299015697, 32351810305, 42694203377, 55876637664 ]
[ "sign" ]
A211295
[ 1, 3, 9, 25, 71, 203, 585, 1689, 4881, 14113, 40839, 118287, 342951, 995303, 2891309, 8406925, 24466555, 71267575, 207771209, 606238465, 1770339721, 5173862121, 15132414675, 44292151875, 129736008621, 380276585553, 1115408929215, 3273817075159, 9615035204811, 28256221883283, 83087327433025 ]
[ "nonn" ]
A016998
[ 1, 262144, 11390625, 113379904, 594823321, 2176782336, 6321363049, 15625000000, 34296447249, 68719476736, 128100283921, 225199600704, 377149515625, 606355001344, 941480149401, 1418519112256, 2081951752609 ]
[ "nonn", "easy" ]
A054571
[ 0, 1, 1, 1, 1, 2, 1, 2, 2, 2, 1, 4, 1, 4, 6, 4, 1, 4, 1, 4, 6, 4, 1, 8, 4, 6, 6, 8, 1, 10, 1, 8, 12, 6, 10, 8, 1, 8, 8, 8, 1, 8, 1, 8, 12, 8, 1, 16, 6, 8, 18, 12, 1, 12, 8, 16, 12, 8, 1, 20, 1, 16, 18, 16, 16, 22, 1, 12, 20, 22, 1, 16, 1, 18, 24, 16, 16, 18, 1, 16, 18 ]
[ "nonn" ]
A065952
[ 1, 1, 2, 3, 5, 17, 89, 211, 1903, 62473, 89393, 1324937, 199986173, 1248315547, 25821989299, 1754517215113, 1308752009069, 34794177047129, 32791050165840090, 37082480057069940, 109598046569166900, 7850794626671441000, 1.0498480250223012e+21, 4.7709314255406995e+22 ]
[ "nonn", "frac" ]
A296162
[ 1, 1, 5, 19, 89, 406, 1913, 9073, 43505, 209971, 1019390, 4971781, 24343037, 119579006, 589050663, 2908727839, 14393759457, 71360342129, 354372852011, 1762416036422, 8776797353574, 43761058841638, 218431753457637, 1091385769314272, 5458068218285909, 27319061357620056 ]
[ "nonn" ]
A220861
[ -4, -3, -20, -7, -11, -52, -68, -19, -23, -116, -31, -148, -164, -43, -47, -212, -59, -244, -67, -71, -292, -79, -83, -356, -388, -404, -103, -107, -436, -452, -127, -131, -548, -139, -596, -151, -628, -163, -167, -692, -179, -724, -191, -772, -788, -199 ]
[ "sign" ]
A297684
[ 16, 98, 742, 4633, 32911, 221420, 1519630, 10322924, 70546581, 480682141, 3279483836, 22360879158, 152513668108, 1040062673807, 7093214269529, 48373908268204, 329903456068580, 2249876994245104, 15343785763900112 ]
[ "nonn" ]
A169551
[ 1, 10, 90, 810, 7290, 65610, 590490, 5314410, 47829690, 430467210, 3874204890, 34867844010, 313810596090, 2824295364810, 25418658283290, 228767924549610, 2058911320946490, 18530201888518410, 166771816996665700 ]
[ "nonn" ]
A237433
[ 1, 2, 2, 3, 2, 4, 2, 5, 3, 4, 2, 6, 2, 4, 4, 8, 2, 4, 2, 6, 4, 4, 2, 9, 3, 4, 5, 6, 2, 7, 2, 13, 4, 4, 4, 10, 2, 4, 4, 9, 2, 7, 2, 6, 6, 4, 2, 14, 3, 4, 4, 6, 2, 7, 4, 9, 4, 4, 2, 11, 2, 4, 6, 20, 4, 7, 2, 6, 4, 7, 2, 15, 2, 4, 4, 6, 4, 7, 2, 14, 8, 4, 2, 11, 4, 4, 4, 9, 2, 7, 4, 6, 4, 4, 4, 21, 2, 4, 6, 10 ]
[ "nonn", "changed" ]
A144210
[ 1, 1, 1, 1, 4, 76, 1486, 29506, 628531, 14633011, 373486051, 10423892971, 316702467496, 10422938835196, 369779598658786, 14078057663869606, 572776958092098200, 24810200300393960000, 1.140218754844984e+21 ]
[ "nonn" ]
A165530
[ 1, 1, 2, 6, 22, 86, 338, 1314, 5046, 19190, 72482, 272530, 1021734, 3823622, 14293234, 53394370, 199382550, 744348822, 2778471490, 10370520178, 38705706374, 144456761766, 539130777874, 2012086272674, 7509256255862, 28025026831158, 104591035618146 ]
[ "nonn", "easy" ]
A139529
[ 0, 1, 2, 4, 6, 7, 9, 11, 14, 15, 16, 17, 22, 25, 27, 29, 30, 31, 34, 35, 36, 41, 42, 44, 45, 46, 50, 51, 57, 59, 60, 64, 66, 67, 69, 70, 72, 74, 77, 80, 84, 85, 92, 94, 95, 97, 99, 101, 106, 111, 114, 116, 121, 126, 127, 129, 132, 134, 135, 137, 140, 144, 146, 147, 150, 151 ]
[ "nonn" ]
A214655
[ 3, 5, 29, 54799 ]
[ "nonn", "hard", "bref", "more" ]
A150557
[ 1, 2, 7, 26, 106, 433, 1840, 7940, 34600, 152415, 677408, 3026920, 13601908, 61423330, 278412139, 1266274777, 5777664180, 26431866609, 121211063067, 557094467005, 2565518805088, 11835880142484, 54695962523709, 253149015388344, 1173298821523358, 5445202284648577, 25301849449310988, 117702463118949100 ]
[ "nonn", "walk" ]
A199181
[ 2, 9, 8, 0, 6, 4, 5, 2, 7, 9, 4, 3, 8, 5, 3, 6, 8, 3, 4, 5, 9, 4, 9, 0, 8, 9, 0, 5, 5, 7, 9, 0, 3, 2, 1, 7, 5, 7, 0, 7, 3, 8, 5, 6, 3, 2, 0, 5, 6, 7, 4, 0, 2, 2, 7, 7, 6, 0, 0, 5, 6, 0, 8, 5, 2, 5, 1, 9, 6, 2, 1, 5, 4, 1, 5, 0, 3, 8, 3, 1, 1, 6, 7, 2, 8, 4, 7, 7, 0, 9, 3, 6, 3, 4, 6, 0, 6, 1, 3 ]
[ "nonn", "cons" ]
A027061
[ 0, 2, 6, 20, 66, 210, 652, 1988, 5982, 17830, 52782, 155480, 456364, 1336066, 3904280, 11394244, 33222902, 96812174, 282009512, 821327088, 2391918708, 6966267782, 20291422370, 59116724728, 172271893036, 502157965938 ]
[ "nonn" ]
A207880
[ 2, 16, 82, 575, 4387, 33631, 618202, 12501427, 214612008, 11062960730, 657453772615, 25402400315447, 3733312830860298, 643896610977129200, 54640540348513180000, 2.318139833439853e+22, 1.1714931649831496e+25 ]
[ "nonn" ]
A052072
[ 0, 1331, 700227072, 22676697737363993000, 1.728999927211173e+24, 2.5626363332853535e+29, 1.9194114355415391e+34, 2.342441231418833e+39, 2.0586860555226207e+44 ]
[ "nonn", "base", "more", "nice", "changed" ]
A041910
[ 21, 22, 131, 415, 546, 2599, 26536, 29135, 84806, 198747, 879794, 1958335, 4796464, 6754799, 72344454, 296132615, 368477069, 1401563822, 7376296179, 8777860001, 376046416221, 384824276222, 2300167797331 ]
[ "nonn", "cofr", "frac", "easy", "less" ]
A163711
[ 1, 123, 2908, 48912, 744868, 9396562 ]
[ "nonn" ]
A252419
[ 1536, 1704, 3796, 6834, 22038, 62288, 113324, 380113, 1090041, 1973072, 6662465, 19166898, 34694777, 117327314, 337764647, 611422010, 2068344465, 5955308893, 10780434860, 36471334123, 105014194820, 190099680839, 643138365330 ]
[ "nonn" ]