id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A107529
[ 1, 2244, 887944, 138356812, 11611049232, 613117108692, 22401565939096, 604236908351836, 12614080176060960, 211304637639230180, 2922548785348161000, 34155084597146145000, 343782301079271600000, 3.0283146001503203e+21, 2.366526555890924e+22, 1.6598788260406327e+23 ]
[ "nonn" ]
A275870
[ 1, 2, 2, 4, 2, 7, 2, 10, 5, 9, 2, 34, 2, 11, 10, 36, 2, 64, 2, 60, 12, 15, 2, 320, 7, 17, 23, 94, 2, 297, 2, 202, 16, 21, 14, 1488, 2, 23, 18, 776, 2, 610, 2, 186, 148, 27, 2, 6978, 9, 319 ]
[ "nonn" ]
A192419
[ 1, 2, 3, 5, 5, 6, 10, 10, 10, 10, 11, 15, 15, 15, 15, 17, 17, 22, 22, 22, 22, 22, 23, 29, 29, 29, 29, 29, 29, 30, 33, 33, 33, 34, 41, 41, 41, 41, 41, 41, 41, 46, 46, 46, 46, 46, 47, 51, 51, 51, 51, 53, 53, 55, 55, 58, 58, 58, 59, 66, 66, 66, 66, 66, 66, 66, 69, 69, 69, 71, 71, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82 ]
[ "nonn" ]
A117642
[ 0, 3, 24, 81, 192, 375, 648, 1029, 1536, 2187, 3000, 3993, 5184, 6591, 8232, 10125, 12288, 14739, 17496, 20577, 24000, 27783, 31944, 36501, 41472, 46875, 52728, 59049, 65856, 73167, 81000, 89373, 98304, 107811, 117912, 128625, 139968, 151959, 164616, 177957 ]
[ "nonn", "easy" ]
A072464
[ 1, 3, 3, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13 ]
[ "nonn", "easy" ]
A227252
[ 2, 3, 9, 23, 53, 113, 225, 421, 745, 1255, 2025, 3147, 4733, 6917, 9857, 13737, 18769, 25195, 33289, 43359, 55749, 70841, 89057, 110861, 136761, 167311, 203113, 244819, 293133, 348813, 412673, 485585, 568481, 662355, 768265, 887335, 1020757, 1169793 ]
[ "nonn" ]
A018349
[ 1, 2, 7, 14, 17, 34, 119, 238 ]
[ "nonn", "fini", "full", "easy" ]
A250590
[ 30952, 226985, 1347397, 7120483, 34503682, 157109231, 683598422, 2872989261, 11770195566, 47219522093, 186511696709, 726849134848, 2804758255841, 10728310770865, 40780462817569, 154141219945362, 580394273394870 ]
[ "nonn" ]
A179074
[ -2, -32, 256, -8192, -262144, 5242880, -33554432, -2684354560, 8589934592000, 932385860354048, 160159261748363260, -1125899906842624, -225179981368524800, 5260204364768739000, 4.397703787172357e+22 ]
[ "sign" ]
A199489
[ 2, 13, 90, 629, 4402, 30813, 215690, 1509829, 10568802, 73981613, 517871290, 3625099029, 25375693202, 177629852413, 1243408966890, 8703862768229, 60927039377602, 426489275643213, 2985424929502490, 20897974506517428, 146285821545622000, 1024000750819354000, 7168005255735478000 ]
[ "nonn", "easy" ]
A002544
[ 1, 12, 90, 560, 3150, 16632, 84084, 411840, 1969110, 9237800, 42678636, 194699232, 878850700, 3931426800, 17450721000, 76938289920, 337206098790, 1470171918600, 6379820115900, 27569305764000, 118685861314020, 509191949220240, 2177742427450200, 9287309860732800 ]
[ "nonn", "easy", "nice" ]
A370831
[ 4, 2, 6, 3, 7, 5, 9, 6, 10, 8, 12, 9, 13, 11, 14, 12, 15, 13, 17, 15, 18, 16, 19, 17, 21, 18, 22, 20, 24, 21, 25, 23, 26, 24, 27, 25, 29, 26, 30, 27, 31, 29, 33, 30, 34, 31, 35, 33, 36, 34, 38, 36, 39, 37, 40, 38, 42, 39, 43, 41, 44, 42, 45, 43, 47, 44, 48, 45, 49, 46 ]
[ "nonn" ]
A005735
[ 1, 3, 8, 14, 32, 62, 87, 169, 132, 367, 389, 510, 394, 512, 512, 1880, 1880, 1882, 2099, 1879, 1885, 2102, 3470, 3470, 4805, 4806, 4806, 3475, 4806, 4938, 4939, 5108, 5119, 6271, 5122, 5869, 10663, 10663, 10663, 7421, 10667, 10667, 10668, 11710, 11711 ]
[ "nonn" ]
A350042
[ 0, 0, 0, 3, 4, 10, 18, 28, 40, 63, 80, 110, 144, 182, 224, 285, 336, 408, 486, 570, 660, 777, 880, 1012, 1152, 1300, 1456, 1647, 1820, 2030, 2250, 2480, 2720, 3003, 3264, 3570, 3888, 4218, 4560, 4953, 5320, 5740, 6174, 6622, 7084, 7605, 8096, 8648, 9216, 9800, 10400 ]
[ "nonn", "easy", "changed" ]
A044159
[ 21, 70, 119, 147, 168, 217, 266, 315, 364, 413, 462, 490, 511, 560, 609, 658, 707, 756, 805, 833, 854, 903, 952, 1001, 1029, 1099, 1148, 1176, 1197, 1246, 1295, 1344, 1393, 1442, 1491, 1519, 1540, 1589, 1638, 1687, 1736, 1785 ]
[ "nonn", "base" ]
A075233
[ 9, 42, 87, 105, 108, 141, 144, 166, 215, 250, 381, 387, 482, 490, 500, 645, 748, 792, 831, 860, 876, 968, 990, 1377, 1448, 1468, 1526, 1769, 1780, 1922, 1968, 2084, 2118, 2228, 2245, 2252, 2373, 2381, 2478, 2565, 2672, 2781, 2883, 2915, 2972, 2988, 3008 ]
[ "nonn" ]
A316422
[ 3, 9, 14, 32, 75, 148, 311, 687, 1443, 3042, 6534, 13887, 29434, 62747, 133549, 283771, 603852, 1284974, 2732689, 5813170, 12367681, 26307833, 55962509, 119051548, 253252756, 538730285, 1146033768, 2437923337, 5186096335, 11032236021 ]
[ "nonn" ]
A330657
[ 0, 0, 0, 1, 1, 0, 2, 0, 0, 1, 0, 1, 1, 1, 0, 1, 2, 0, 2, 1, 1, 3, 1, 0, 2, 3, 0, 3, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 2, 1, 2, 1, 1, 1, 1, 3, 2, 2, 2, 1, 4, 1, 0, 2, 1, 2, 1, 1, 1, 3, 2, 2, 1, 3, 1, 3, 2, 1, 6, 1, 1, 1, 3, 2 ]
[ "nonn" ]
A053685
[ 19, 37, 79, 97, 139, 157, 199, 229, 307, 337, 367, 379, 439, 499, 547, 577, 607, 619, 727, 829, 877, 937, 967, 997, 1009, 1069, 1237, 1279, 1297, 1399, 1429, 1459, 1609, 1627, 1657, 1759, 1867, 2029, 2089, 2137, 2179, 2467, 2539, 2557, 2617, 2707, 2719 ]
[ "easy", "nice", "nonn" ]
A202053
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 3, 1, 1, 4, 1, 1, 2, 1 ]
[ "nonn" ]
A217767
[ 1, 3, 50, 2022, 148824, 17254920, 2886892560, 657047386800, 194964822138240, 73042276012030080, 33693790560582700000, 1.8755069649902784e+22, 1.2390207483469556e+25, 9.580861371340114e+27, 8.570002001492431e+30 ]
[ "nonn", "frac" ]
A119339
[ 1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 2, 3, 1, 0, 1, 2, 5, 5, 1, 0, 1, 2, 6, 11, 7, 1, 0, 1, 2, 6, 16, 21, 11, 1, 0, 1, 2, 6, 18, 38, 39, 15, 1, 0, 1, 2, 6, 19, 51, 86, 73, 21, 1, 0, 1, 2, 6, 19, 57, 135, 193, 129, 28, 1, 0, 1, 2, 6, 19, 59, 170, 352, 420, 227, 39, 1, 0, 1, 2, 6, 19, 60, 186, 498 ]
[ "nonn", "tabl" ]
A350241
[ 1, 65, 101, 142, 175, 255, 316, 380, 501, 625, 794, 995, 1155, 1456, 1696, 2012, 2373, 2709, 3118, 3566, 4158, 4608, 5211, 5852, 6500, 7221, 8065, 8906, 9766, 11089, 11855, 12868, 14020, 15337, 16601, 17854, 19255, 20840, 22364, 23964, 25813, 27665, 29650, 31635 ]
[ "nonn" ]
A049612
[ 0, 1, 5, 19, 63, 192, 552, 1520, 4048, 10496, 26624, 66304, 162560, 393216, 940032, 2224128, 5214208, 12124160, 27983872, 64159744, 146210816, 331350016, 747110400, 1676673024, 3746562048, 8338276352, 18488492032 ]
[ "nonn" ]
A286968
[ 1, 2, 3, 14, 5, 56, 12, 245, 16, 992, 49, 4080, 65, 16304, 193, 65328, 449, 261872, 769, 1047792, 1665, 4192960, 3713, 16773824, 4225, 67102912, 12417, 268433600, 16513, 1073717440, 49281, 4294901952, 114817, 17179771072, 196737, 68719216832, 395393 ]
[ "nonn", "easy" ]
A087004
[ 2, 60, 120, 180, 504, 720, 11550, 12180, 17940, 19380, 21252, 22230, 26334, 27846, 29172, 32340, 34440, 34580, 43470, 48840, 56430, 59220, 59670, 63240, 66120, 70686, 82824, 85140, 91350, 95700, 95940, 99528, 112840, 113220, 113652, 115368 ]
[ "nonn" ]
A163107
[ 1, 2, 2, 2, 3, 4, 3, 3, 2, 4, 4, 4, 3, 4, 4, 2, 4, 3, 4, 4, 4, 3, 4, 6, 2, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 3, 3, 6, 4, 6, 4, 6, 4, 6, 4, 6, 4, 4, 3, 3, 6, 4, 4, 5, 6, 5, 4, 6, 6, 5, 3, 6, 4, 2, 6, 4, 4, 6, 6, 4, 6, 4, 3, 4, 4, 6, 6, 5, 4, 4, 2, 6, 6, 6, 6, 6, 5, 6, 6, 6, 4, 5, 4, 4, 5, 6, 4, 4, 6, 3, 4, 5, 4, 5, 4 ]
[ "nonn" ]
A253908
[ 1, 6, 11, 28, 33, 58, 75, 136, 141, 166, 191, 276, 293, 378, 439, 656, 661, 686, 711, 796, 821, 946, 1031, 1336, 1353, 1438, 1523, 1812, 1873, 2178, 2395, 3168, 3173, 3198, 3223, 3308, 3333, 3458, 3543, 3848, 3873, 3998, 4123, 4548, 4633, 5058, 5363, 6448, 6465, 6550, 6635, 6924, 7009, 7434, 7723, 8760, 8821, 9126, 9431, 10468 ]
[ "nonn" ]
A363744
[ 1, 1, 5, 31, 313, 3981, 63841, 1223419, 27378737, 701091001, 20221662241, 649032795951, 22945630163017, 886151307346501, 37121193546044610, 1676607954371120600, 81222976991097360000, 4.2014183294501415e+21, 2.311272875143838e+23 ]
[ "nonn" ]
A331320
[ 1, 3, 8, 26, 80, 244, 736, 2200, 6528, 19248, 56448, 164768, 478976, 1387328, 4005376, 11530624, 33107968, 94839552, 271091712, 773380608, 2202374144, 6261404672, 17774206976, 50384312320, 142636515328, 403306786816, 1139055820800, 3213593911296, 9057375289344 ]
[ "nonn", "easy" ]
A102101
[ 1, 1, 2, 15, 16, 3, 1000, 1040, 81, 4, 189035, 196080, 14175, 256, 5, 79278446, 82196224, 5866992, 94464, 625, 6, 63263422646, 65585046960, 4667640795, 73281280, 419375, 1296, 7, 86493299281972, 89664824687968, 6376139907030 ]
[ "nonn", "tabl" ]
A265530
[ 0, 1, 2, 2, 11, 11, 11, 11, 22, 22, 101, 101, 101, 111, 111, 111, 121, 121, 121, 121, 202, 202, 202, 212, 212, 212, 222, 222, 1001, 1001, 1001, 1001, 1001, 1001, 1001, 1001, 1001, 1001, 1001, 1001, 1111, 1111, 1111, 1111, 1111, 1111, 1111, 1111, 1111, 1111, 1111, 1111, 1221, 1221, 1221, 1221, 2002, 2002, 2002, 2002 ]
[ "nonn", "base" ]
A154780
[ 5, 35, 235, 335, 2335, 3335, 23335, 32335, 33335, 72335, 233335, 323335, 333335, 372335, 572335, 723335, 2333335, 2372335, 2723335, 3233335, 3323335, 3333335, 3572335, 3723335, 7233335, 7323335, 7372335, 7572335, 22372335, 23333335 ]
[ "base", "easy", "nice", "nonn" ]
A353606
[ 1, 2, 1, 4, 1, 0, -1, 11, -3, -7, 4, -10, 5, -15, -4, 151, -9, -50, -3, -63, 19, -176, 6, 591, -27, -637, 13, -999, 50, -1957, -49, 27250, -162, -7887, 83, -12821, 468, -27226, -40, 127341, -1215, -99166, -526, -174140, 2640, -362870, 1673, 1419061, -4516, -1344620 ]
[ "sign" ]
A012063
[ 1, 1, 1, 3, 9, 49, 249, 1963, 14129, 146017, 1362961, 17450227, 200409465, 3064381137, 41812246345, 744091967643, 11765081428705, 239039270010305, 4298599985014945, 98237724213189470, 1980239469431883500 ]
[ "nonn" ]
A222294
[ 2, 3, 3, 7, 7, 7, 7, 19, 15, 19, 27, 37, 27, 43, 27, 15, 39, 27, 39, 27, 73, 27, 27, 27, 63, 39, 27, 27, 109, 75, 127, 87, 27, 123, 99, 151, 123, 163, 27, 115, 79, 27, 127, 171, 87, 199, 187, 223, 151, 135, 27, 159, 241, 27, 171, 27, 79, 271, 277, 187, 27, 27, 307 ]
[ "nonn" ]
A156269
[ 1, 2, 6, -20, -24, -56, 144, 160, 352, -832, -896, -1920, 4352, 4608, 9728, -21504, -22528, -47104, 102400, 106496, 221184, -475136, -491520, -1015808, 2162688, 2228224, 4587520, -9699328, -9961472, -20447232, 42991616, 44040192, 90177536 ]
[ "sign", "easy" ]
A192290
[ 14, 16, 92, 114, 5566, 6596, 1077378, 1529394, 3098834, 3978336, 70774930, 92974314 ]
[ "nonn", "more" ]
A164165
[ 1, 2, 4, 8, 14, 24, 40, 68, 118, 212, 394, 752, 1460, 2860, 5616, 11016, 21554, 42060, 81910, 159352, 309990, 603464, 1176250, 2296184, 4489444, 8790452, 17233756, 33822464, 66435460, 130584824, 256821496, 505337672, 994772026, 1959055556 ]
[ "nonn" ]
A278156
[ 0, 859, 77102, 7404889, 736017223, 73654449669, 7332741364328, 730168696119876, 72720692813101840, 7242547316810716000, 721305315619197200000, 7.1836875811772e+22, 7.154445488017757e+24 ]
[ "nonn" ]
A050958
[ 73, 97, 233, 277, 349, 353, 613, 821, 877, 1181, 1277, 1613, 1637, 1693, 2357, 3557, 3989, 4157, 4517, 7213, 11213 ]
[ "nonn", "fini", "full" ]
A235071
[ 168, 848, 848, 4352, 4348, 4352, 22576, 22936, 22936, 22576, 117232, 125196, 126040, 125196, 117232, 609412, 685028, 727376, 727376, 685028, 609412, 3167392, 3780180, 4212792, 4548100, 4212792, 3780180, 3167392, 16467664, 20896656, 24652260 ]
[ "nonn", "tabl" ]
A121019
[ 22, 32, 48, 36, 38, 34, 52, 54, 50, 20, 2070, 2080, 2096, 2084, 2086, 2082, 2100, 2102, 2098, 2068, 3094, 3104, 3120, 3108, 3110, 3106, 3124, 3126, 3122, 3092, 2326, 2336, 2352, 2340, 2342, 2338, 2356, 2358, 2354, 2324, 2454, 2464, 2480, 2468, 2470, 2466 ]
[ "nonn", "base" ]
A220331
[ 1, 37, 508, 6657, 92093, 1335202, 18836493, 265346645, 3750121527 ]
[ "nonn" ]
A077723
[ 739, 811, 6571, 59779, 65701, 532261, 538093, 591301, 597133, 597781, 4783699, 4789621, 4842109, 4849399, 5314411, 5314501, 5373469, 5374279, 5380831, 43047541, 43112341, 43113061, 43643773, 43643863, 47837071, 47888821 ]
[ "nonn" ]
A004939
[ 0, 7, 14, 21, 27, 34, 41, 48, 55, 62, 69, 75, 82, 89, 96, 103, 110, 117, 123, 130, 137, 144, 151, 158, 164, 171, 178, 185, 192, 199, 206, 212, 219, 226, 233, 240, 247, 254, 260, 267, 274, 281, 288, 295, 302, 308 ]
[ "nonn" ]
A115310
[ 1, 3, 1, 2, 2, 1, 7, 5, 2, 1, 6, 4, 3, 2, 1, 5, 3, 7, 3, 2, 1, 4, 8, 6, 4, 3, 2, 1, 15, 7, 5, 9, 4, 3, 2, 1, 14, 6, 4, 8, 5, 4, 3, 2, 1, 13, 17, 11, 7, 11, 5, 4, 3, 2, 1, 12, 16, 10, 6, 10, 6, 5, 4, 3, 2, 1, 11, 15, 9, 5, 9, 13, 6, 5, 4, 3, 2, 1, 10, 14, 8, 14, 8, 12, 7, 6, 5, 4, 3, 2, 1, 9, 13, 15, 13, 7, 11, 15, 7, 6, 5, 4, 3, 2, 1 ]
[ "nonn", "tabl" ]
A347902
[ 8, 5, 13, 30, 43, 61, 104, 177, 281, 446, 727, 1185, 1912, 3085, 4997, 8094, 13091, 21173, 34264, 55449, 89713, 145150, 234863, 380025, 614888, 994901, 1609789, 2604702, 4214491, 6819181, 11033672, 17852865, 28886537, 46739390, 75625927, 122365329 ]
[ "nonn", "easy" ]
A041837
[ 1, 1, 20, 21, 860, 881, 17599, 18480, 756799, 775279, 15487100, 16262379, 665982260, 682244639, 13628630401, 14310875040, 586063632001, 600374507041, 11993179265780, 12593553772821, 515735330178620, 528328883951441, 10553984125256000, 11082313009207440 ]
[ "nonn", "frac", "easy", "less" ]
A276017
[ 1, 18, 2160, 423360, 99792000, 25499650176, 6797581959168, 1860535606026240, 518890571236477440, 146835076503772800000, 4.204664673001356e+22, 1.2160617341681774e+25, 3.547136319516174e+27, 1.0423259453721573e+30, 3.0826925970409068e+32 ]
[ "nonn" ]
A370264
[ 1, 1, 2, 1, 3, 2, 1, 3, 3, 4, 2, 1, 3, 5, 4, 2, 6, 7, 1, 3, 5, 4, 7, 6, 2, 8, 1, 5, 6, 9, 9, 3, 1, 10, 2, 8, 4, 1, 10, 6, 9, 3, 2, 5, 11, 12, 4, 3, 10, 7, 8, 2, 13, 11, 12, 4, 13, 1, 14, 3, 9, 15, 5, 6, 7, 14, 16, 6, 2, 4, 8, 12, 3, 9, 10, 11, 5, 7, 13, 1, 14 ]
[ "nonn" ]
A165099
[ 0, 21, 252, 1022, 1589, 17892, 21483, 102837, 147420, 213402, 1445787, 1707930, 1711962, 6589877, 13667738, 16092433, 76545756, 93093147, 110132442, 111443346, 421817781, 874802586, 878996762, 1029991697, 1068263553 ]
[ "base", "nonn" ]
A362362
[ 1, 1, 1, 3, 8, 36, 174, 1104, 7440, 62640, 545040, 5649840, 60681600, 748621440, 9518342400, 136758585600, 2009451628800, 32848492723200, 549241915622400, 10066913176320000, 188293339922688000, 3832031198451456000, 79291640831090690000, 1.7711469709537444e+21 ]
[ "nonn" ]
A331228
[ 3, 15, 3, 7, 35, 32, 1, 20, 63, 15, 15, 55, 3, 4, 99, 96, 39, 91, 231, 11, 84, 3, 224, 143, 7, 7, 35, 5, 64, 8, 39, 119, 455, 1, 51, 255, 195, 320, 192, 96, 96, 187, 180, 95, 171, 55, 160, 3135, 399, 255, 5, 63, 3, 3, 3, 3, 247, 15, 15, 15, 15, 36, 231, 132, 55 ]
[ "nonn", "frac" ]
A383601
[ 1, 7, 58, 514, 4705, 43879, 414208, 3943492, 37782346, 363760390, 3515819020, 34088616940, 331383573010, 3228590970430, 31514912933800, 308126549765440, 3016908101224105, 29576113797737696, 290271761086278600, 2851684765215491000, 28040613734007656000 ]
[ "nonn", "easy" ]
A114435
[ 8, 16, 20, 23, 26, 36, 40, 45, 49, 50, 51, 53, 59, 60, 62, 65, 68, 69, 74, 76, 77, 83, 88, 89, 91, 92, 100, 103, 105, 110, 114, 115, 117, 123, 126, 129, 131, 136, 139, 146, 149, 150, 151, 154, 156, 165, 169, 182, 185, 186, 187, 194, 196, 197, 198, 206, 210 ]
[ "easy", "nonn" ]
A346721
[ 0, 2, 3, 5, 6, 11, 17, 19, 21, 23, 28, 30, 32, 45, 47, 57, 59, 61, 63, 65, 67, 69, 76, 78, 80, 82, 84, 103, 107, 121, 125, 127, 129, 131, 135, 137, 139, 148, 150, 152, 156, 158, 160, 187, 189, 211, 213 ]
[ "nonn", "more", "changed" ]
A333052
[ 2, 14, 44, 104, 735, 2295, 5264, 5984, 21735, 201824, 3341624, 6481475, 7316000, 49727600, 103488384, 205684479, 349167104, 391738599, 1921172175, 6110171144, 7616307699 ]
[ "nonn", "more" ]
A355466
[ 1, 2, 19, 19879, 4297094601, 298028721578591300, 1.0314430386430205e+28, 2.5692358088966757e+41, 6.277101737079381e+57 ]
[ "nonn" ]
A313266
[ 1, 4, 9, 15, 20, 25, 32, 37, 41, 48, 53, 57, 61, 67, 74, 77, 83, 89, 94, 99, 104, 111, 114, 118, 125, 131, 135, 139, 146, 152, 156, 162, 167, 171, 177, 182, 188, 191, 196, 205, 209, 213, 218, 225, 230, 233, 239, 244, 249, 255 ]
[ "nonn" ]
A067020
[ 7, 9, 13, 14, 18, 19, 21, 26, 27, 28, 35, 36, 37, 38, 39, 42, 45, 52, 54, 56, 57, 63, 65, 70 ]
[ "dead" ]
A080591
[ 1, 3, 4, 7, 11, 12, 13, 15, 16, 17, 18, 19, 23, 27, 28, 31, 35, 39, 43, 47, 48, 49, 50, 51, 52, 53, 54, 55, 59, 60, 61, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 83, 87, 91, 95, 99, 103, 107, 111, 112, 113, 114, 115, 119, 123, 124 ]
[ "easy", "nonn" ]
A296051
[ 2, 3, 5, 15, 23, 32, 38, 60, 239, 279, 396, 599, 797, 4341, 7041, 10103, 20496, 24285, 33156, 46694, 49427, 51537, 104132, 116999, 151391 ]
[ "nonn", "more", "hard" ]
A256364
[ 274625, 465125, 528125, 710645, 912925, 983125 ]
[ "nonn", "base", "more" ]
A098721
[ 1, 1, 6, 100, 3375, 194481, 17210368, 2176782336, 373669453125, 83733937890625, 23762680013799936, 8335775831236199000, 3.543686674874778e+21, 1.7958563260221292e+24, 1.06993205379072e+27 ]
[ "easy", "nonn" ]
A140148
[ 1, 2, 11, 12, 37, 38, 87, 88, 169, 170, 291, 292, 461, 462, 687, 688, 977, 978, 1339, 1340, 1781, 1782, 2311, 2312, 2937, 2938, 3667, 3668, 4509, 4510, 5471, 5472, 6561, 6562, 7787, 7788, 9157, 9158, 10679, 10680, 12361, 12362, 14211, 14212, 16237 ]
[ "nonn" ]
A196643
[ 1, 17, 116, 667, 4273, 25118, 160347, 983193, 6087268, 37645887, 232843313, 1440449688, 8908661143, 55104054837, 340834463434, 2108162310301, 13039609400629, 80653777800732, 498867623140685, 3085643335339211 ]
[ "nonn" ]
A238350
[ 1, 0, 1, 1, 1, 2, 1, 1, 3, 4, 1, 6, 7, 3, 11, 16, 4, 1, 22, 29, 12, 1, 42, 60, 23, 3, 82, 120, 47, 7, 161, 238, 100, 12, 1, 316, 479, 198, 30, 1, 624, 956, 404, 61, 3, 1235, 1910, 818, 126, 7, 2449, 3817, 1652, 258, 16, 4864, 7633, 3319, 537, 30, 1, 9676, 15252, 6686, 1083, 70, 1, 19267, 30491, 13426, 2205 ]
[ "nonn", "tabf" ]
A100804
[ 3, 2, 2, 11, 3, 2, 3, 5, 2, 3, 7, 3, 7, 5, 2, 7, 3, 3, 5, 5, 2, 5, 3, 11, 3 ]
[ "nonn", "more" ]
A129316
[ 5, 8, 15, 77, 125, 160, 252, 496, 714, 948, 980, 1045, 1053, 1260, 1330, 1378, 1404, 1430, 1508, 1520, 1610, 1750, 1862, 1890, 2170, 2491, 2680, 2821, 3094, 3100, 3248, 3400, 3591, 3610, 3652, 3808, 4185, 4191, 4384, 4452, 4500, 4598, 4906, 5120, 5145 ]
[ "easy", "nonn" ]
A227363
[ 0, 1, 2, 5, 10, 17, 32, 61, 110, 185, 316, 557, 986, 1705, 2840, 4661, 7702, 12881, 21620, 35965, 58706, 94217, 150016, 239045, 382670, 614401, 984332, 1564301, 2458810, 3826745, 5918936, 9136597, 14115686, 21842225, 33803620, 52181021, 80128082, 122221801, 185211440 ]
[ "nonn" ]
A224924
[ 0, 1, 3, 12, 16, 33, 63, 112, 120, 153, 211, 300, 408, 553, 735, 960, 976, 1041, 1155, 1324, 1536, 1809, 2143, 2544, 2952, 3433, 3987, 4620, 5320, 6105, 6975, 7936, 7968, 8097, 8323, 8652, 9072, 9601, 10239, 10992, 11800, 12729, 13779, 14956, 16248, 17673, 19231, 20928 ]
[ "nonn", "base" ]
A332591
[ 16, 53, 54, 38, 127, 74, 128, 126, 249, 86, 153, 250, 117, 150, 431, 206, 465, 118, 147, 147, 432, 296, 685, 686, 686, 200, 378, 561, 444, 1023, 1552, 218, 278, 205, 1024, 621, 1457, 306, 1866, 431, 603, 499, 1458, 1022, 359, 1289, 1999, 2000, 1065, 1589, 446, 486 ]
[ "nonn" ]
A244378
[ 2, 12, 34, 50, 72, 104, 172, 180, 198, 202, 240, 252, 254, 272, 300, 338, 348, 374, 494, 498, 504, 578, 640, 648, 652, 702, 728, 804, 832, 848, 892, 950, 1002, 1040, 1060, 1070, 1134, 1158, 1184, 1364, 1378, 1464, 1564, 1598, 1608, 1624, 1630, 1678, 1688, 1704, 1734 ]
[ "nonn", "easy" ]
A048754
[ 1, 2, 5, 16, 80, 7, 9, 11, 34992, 13, 10584, 405, 589824, 500, 17, 25088, 19, 23, 49000, 1125, 29, 31, 1250000, 165375, 37, 23887872000000, 41, 43, 3643149312, 47, 521752, 53, 76527504, 6125, 59, 861224, 61, 964467, 13176688, 27665165088, 67 ]
[ "easy", "nonn" ]
A289443
[ 2, 6, 12, 27, 48, 75, 108, 147, 192, 243, 300, 363, 432, 507, 588, 675, 768, 867, 972, 1083, 1200, 1323, 1452, 1587, 1728, 1875, 2028, 2187, 2352, 2523, 2700, 2883, 3072, 3267, 3468, 3675, 3888, 4107, 4332, 4563, 4800, 5043, 5292, 5547, 5808, 6075, 6348, 6627, 6912, 7203, 7500 ]
[ "nonn", "easy" ]
A194122
[ 16, 31, 31, 57, 62, 57, 99, 119, 119, 99, 163, 218, 238, 218, 163, 256, 381, 456, 456, 381, 256, 386, 637, 837, 912, 837, 637, 386, 562, 1023, 1474, 1749, 1749, 1474, 1023, 562, 794, 1585, 2497, 3223, 3498, 3223, 2497, 1585, 794, 1093, 2379, 4082 ]
[ "nonn", "tabl" ]
A349483
[ 1, 2, 2, 2, 4, 2, 5, 2, 2, 7, 2, 1, 2, 5, 6, 1, 2, 2, 2, 3, 2, 2, 2, 1, 1, 2, 4, 1, 2, 1, 2, 3, 1, 2, 1, 1, 2, 2, 1, 3, 2, 4, 2, 1, 3, 2, 2, 4, 3, 6, 1, 1, 2, 2, 3, 3, 1, 2, 2, 4, 2, 2, 1, 3, 3, 3, 2, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 3, 2, 8, 1, 2, 2, 3, 3, 2, 1, 3, 2, 3, 1, 1, 1, 2, 3, 1, 2, 4, 1, 2 ]
[ "nonn" ]
A070069
[ 11, 22, 44, 88, 616, 6776, 88088, 616616, 232464232, 21154245112, 232696696232, 21175399357112, 21154245133154247000, 232696696464696700000, 2.11753993782874e+22, 6.3386501441764915e+31 ]
[ "base", "nonn" ]
A234300
[ 0, 1, 1, 3, 2, 3, 3, 5, 3, 5, 4, 5, 5, 7, 5, 7, 5, 7, 7, 9, 7, 9, 8, 9, 7, 9, 7, 11, 9, 11, 9, 11, 10, 11, 9, 11, 11, 13, 11, 13, 11, 13, 11, 13, 11, 13, 13, 15, 12, 15, 13, 15, 13, 15, 13, 15, 13, 15, 15, 17, 13, 17, 15, 17, 16, 17, 15, 17, 15, 17, 15, 17, 17, 19, 17, 19, 15, 19, 17, 19, 17, 19, 17, 19, 18, 19, 17, 21, 19, 21, 19, 21, 19, 21, 19, 21, 19, 21, 19, 21 ]
[ "nonn" ]
A318632
[ 1, 2, 2, 4, 3, 5, 5, 9, 8, 11, 12, 17, 16, 21, 24, 34, 34, 43, 47, 61, 65, 82, 92, 116, 124, 147, 166, 200, 220, 262, 293, 350, 383, 449, 504, 592, 654, 756, 846, 983, 1089, 1252, 1396, 1607, 1777, 2033, 2260, 2590, 2871, 3261, 3634, 4116, 4563, 5145, 5722, 6454, 7154, 8032, 8903, 9989, 11039 ]
[ "nonn" ]
A012025
[ 1, -4, 84, -4320, 418320, -66225600, 15657364800, -5187108326400, 2296766568096000, -1310785979158656000, 937056917610253400000, -8.200814684933655e+23, 8.62301491174097e+26 ]
[ "sign" ]
A288858
[ 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1 ]
[ "nonn", "easy" ]
A247883
[ 2, 7, 47, 52, 187, 222, 477, 587, 5522, 6777 ]
[ "nonn", "base", "more" ]
A175499
[ 1, 2, -1, 3, 4, -5, 6, -4, 5, -3, 7, -8, 9, -2, 8, -10, 11, -6, 10, -14, 12, -7, 13, -12, 14, -13, 15, -11, 16, -19, 17, -9, 18, -21, 19, -17, 20, -18, 21, -15, 22, -26, 23, -16, 24, -29, 25, -22, 27, -23, 26, -25, 28, -27, 29, -28, 30, -24, 31, -35, 32, 33, -62, 34, -31, 35, -34, 36, -33, 37, -39, 38, -32, 39, -42, 40, -36 ]
[ "sign" ]
A178885
[ 0, 0, 1, 3, 3, -1, -1, 15, 31, -1, -65, -1, 255, 255, -513, -1025, 1023, 4095, -1, -12289, -8193, 32767, 49151, -65537, -196609, 65535, 655359, 262143, -1835009, -2097153, 4194303, 9437183, -6291457, -33554433, -4194305, 100663295, 83886079, -251658241 ]
[ "easy", "sign" ]
A132538
[ 2, 3, 7, 349, 713169, 1198436075455, 2.2996185128674184e+24, 5.078707647430194e+49, 4.506450870809447e+99 ]
[ "frac", "nonn" ]
A016967
[ 4194304, 100000000000, 17592186044416, 584318301411328, 8293509467471872, 70188843638032380, 419430400000000000, 1951354384207722500, 7516865509350965000, 24986644000165536000, 73786976294838210000, 197732674300000000000, 488595558857835540000, 1.1270738569548768e+21 ]
[ "nonn", "easy" ]
A268957
[ 5, 29, 138, 634, 3045, 15579, 85314, 498408, 3092383, 20286281, 140153290, 1016261974, 7710988251, 61062381647, 503482376776, 4313580705556, 38328590370571, 352618807558797, 3353663977088616, 32927374589861040 ]
[ "nonn" ]
A047113
[ 1, 2, 5, 10, 29, 164, 534, 1839, 7813, 28888, 106712, 423250, 1621048, 6175114, 24116312, 93457176, 361166949, 1408515216, 5488264319, 21368029926, 83497729588, 326481132377, 1276713094911, 5001089844661, 19605767057292 ]
[ "nonn" ]
A362301
[ 1, 1, 1, 19, 97, 301, 13681, 124951, 647809, 46543897, 612367201, 4447574011, 436897375201, 7505523945349, 70104150466897, 8735878156045951, 185209511009456640, 2114594302777738800, 319284313084581640000, 8.053189772356179e+21 ]
[ "nonn" ]
A362416
[ 1, 4, 6, 10, 14, 16, 22, 25, 27, 34, 36, 38, 40, 46, 49, 51, 56, 58, 60, 63, 65, 69, 74, 77, 82, 84, 86, 88, 91, 94, 96, 100, 104, 106, 111, 115, 117, 119, 121, 123, 129, 132, 134, 136, 140, 142, 144, 146, 150, 152, 156, 158, 160, 162, 166, 169, 171, 178, 183 ]
[ "nonn" ]
A320775
[ 21, 41, 24, 33, 171, 361, 461, 471, 1281, 1091, 231, 221, 236, 61, 861, 2761, 241, 546, 3261, 1991, 6081, 421, 9541, 5731, 4461, 1621, 21501, 10381, 5051, 1301, 16301, 30051, 18601, 13601, 3171, 8991, 7561, 3201, 33501, 8701, 17351, 5601, 13551, 901, 10301, 871 ]
[ "nonn", "base" ]
A379314
[ 0, 1, 1, 1, 0, 2, 1, 3, 1, 4, 3, 8, 3, 10, 6, 14, 8, 22, 12, 30, 18, 40, 26, 58, 33, 76, 53, 103, 69, 140, 94, 185, 132, 239, 176, 323, 232, 417, 320, 536, 414, 704, 544, 900, 721, 1145, 936, 1481, 1198, 1867, 1571, 2363, 2001, 3003, 2550, 3768, 3275, 4712 ]
[ "nonn" ]
A003082
[ 1, 1, 3, 6, 11, 18, 32, 48, 75, 111, 160, 224, 313, 420, 562, 738, 956, 1221, 1550, 1936, 2405, 2958, 3609, 4368, 5260, 6279, 7462, 8814, 10356, 12104, 14093, 16320, 18834, 21645, 24783, 28272, 32158, 36442, 41187, 46410, 52151, 58443, 65345, 72864 ]
[ "easy", "nonn", "nice" ]
A261679
[ 1, 2, 1, 2, 2, 2, 3, 2, 4, 2, 5, 0, 4, 0, 3, 2, 4, 2, 5, 0, 4, 2, 6, 0, 6, 0, 4, 2, 4, 0, 5, 2, 6, 2, 7, 0, 8, 0, 6, 0, 4, 0, 5, 0, 2, 2, 4, 0, 8, 0, 4, 2, 6, 0, 7, 0, 2, 0, 4, 0, 6, 0, 3, 2, 4, 2, 9, 0, 6, 0, 4, 0, 8, 2, 4, 0, 4, 0, 8, 0, 6, 0, 6, 0, 4, 2, 4, 0, 4 ]
[ "nonn", "base" ]
A344532
[ 1, 1, 7, 14698, 51629528080, 914192102910317600000, 1.999795532620259e+35, 1.1312533166186668e+54, 3.094911686582316e+77 ]
[ "nonn" ]
A346642
[ 0, 1, 73, 1045, 7445, 35570, 130826, 399738, 1063290, 2539515, 5564515, 11362351, 21875503, 40068860, 70321460, 118921460, 194681076, 309689493, 480223005, 727832905, 1080632905, 1574809126, 2256376958, 3183210350, 4427370350, 6077760975, 8243141751 ]
[ "nonn", "easy" ]
A002320
[ 1, 3, 14, 67, 321, 1538, 7369, 35307, 169166, 810523, 3883449, 18606722, 89150161, 427144083, 2046570254, 9805707187, 46981965681, 225104121218, 1078538640409, 5167589080827, 24759406763726, 118629444737803 ]
[ "nonn", "easy" ]
A084728
[ 1, 2, 3, 12, 25, 12, 7, 56, 36, 60, 11, 24, 104, 112, 225, 112, 102, 108, 38, 40, 231, 968, 23, 216, 600, 104, 486, 364, 174, 600, 310, 288, 132, 102, 140, 252, 740, 760, 312, 40, 656, 588, 4429, 1452, 3690, 552, 94, 96, 2744, 1000, 1530, 1664, 2279, 1512, 5005 ]
[ "nonn" ]