id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A307855
[ 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 5, 7, 1, 1, 1, 7, 13, 19, 1, 1, 1, 9, 19, 49, 51, 1, 1, 1, 11, 25, 91, 161, 141, 1, 1, 1, 13, 31, 145, 331, 581, 393, 1, 1, 1, 15, 37, 211, 561, 1441, 2045, 1107, 1, 1, ...
[ "nonn", "tabl" ]
A141944
[ 47, 97, 197, 347, 397, 547, 647, 797, 947, 997, 1097, 1297, 1447, 1597, 1697, 1747, 1847, 1997, 2297, 2347, 2447, 2647, 2797, 2897, 3347, 3547, 3697, 3797, 3847, 3947, 4297, 4397, 4447, 4547, 4597, 5147, 5197, 5297, 5347, 5647, 5897, ...
[ "nonn", "easy" ]
A093808
[ 313, 353, 373, 757, 797, 12721, 13331, 13931, 15551, 30103, 30703, 31513, 32323, 33533, 34543, 35353, 35753, 36563, 38183, 38783, 70507, 71317, 74747, 75557, 76367, 77377, 78787, 79997, 93739, 95959, 97579 ]
[ "nonn", "base" ]
A371173
[ 0, 0, 1, 1, 1, 3, 2, 4, 6, 7, 11, 11, 17, 20, 26, 34, 44, 56, 67, 84, 102, 131, 156, 195, 232, 283, 346, 411, 506, 598, 721, 855, 1025, 1204, 1448, 1689, 2018, 2363, 2796, 3265, 3840, 4489, 5242, 6104, 7106, 8280, 9595, 11...
[ "nonn" ]
A085497
[ 2, 13, 37, 43, 61, 67, 73, 97, 101, 109, 113, 137, 151, 157, 163, 173, 181, 193, 211, 229, 241, 257, 277, 281, 283, 313, 317, 331, 337, 353, 373, 397, 401, 409, 421, 433, 443, 457, 487, 491, 523, 541, 547, 563, 577, 601, 613...
[ "nonn" ]
A218767
[ 1, 2, 3, 4, 4, 5, 5, 6, 5, 7, 5, 8, 6, 7, 7, 7, 7, 10, 5, 9, 7, 9, 7, 10, 8, 7, 9, 11, 5, 11, 7, 12, 9, 7, 9, 11, 7, 11, 9, 12, 6, 13, 7, 9, 13, 9, 7, 13, 9, 12, 7, 13, 9, 11, 9, 11, 9, 11, 9, 18, ...
[ "nonn" ]
A219574
[ 20, 132, 1866, 18564, 154271, 1230906, 9838834, 77121132, 574114068, 4011221077, 26423019415, 165621299493, 995370542165, 5764471362464, 32276996597715, 175191988301623, 923800070721626, 4741175946914574, 23718827918983200, 115807012054133420, 552411871489072600 ]
[ "nonn" ]
A175142
[ 3, 7, 6, 15, 13, 18, 12, 24, 31, 18, 20, 32, 36, 24, 31, 42, 40, 56, 30, 48, 54, 48, 38, 56, 42, 44, 78, 72, 48, 57, 93, 72, 98, 54, 72, 90, 60, 62, 104, 127, 84, 144, 68, 96, 144, 72, 74, 124, 140, 96, 80, 121, ...
[ "nonn" ]
A179638
[ 1, 1, 9, 2, 7, 0, 2, 2, 4, 2, 2, 3, 2, 2, 3, 2, 5, 5, 9, 0, 6, 0, 1, 9, 8, 4, 2, 8, 3, 7, 7, 2, 5, 1, 5, 8, 1, 5, 5, 2, 6, 2, 5, 5, 1, 8, 2, 8, 8, 6, 2, 0, 1, 5, 7, 0, 7, 7, 9, 3, 1, 4, 2, 1...
[ "cons", "nonn", "easy" ]
A194805
[ 0, 1, 2, 4, 7, 11, 17, 25, 36, 51, 71, 97, 132, 177, 235, 310, 406, 527, 681, 874, 1116, 1418, 1793, 2256, 2829, 3532, 4393, 5445, 6727, 8282, 10168, 12445, 15190, 18491, 22452, 27192, 32859, 39613, 47651, 57199, 68522, 81920, 97756...
[ "nonn" ]
A157629
[ 1, 1, 1, 1, 10, 1, 1, 43, 43, 1, 1, 148, 590, 148, 1, 1, 469, 5018, 5018, 469, 1, 1, 1438, 34047, 91492, 34047, 1438, 1, 1, 4351, 204813, 1187731, 1187731, 204813, 4351, 1, 1, 13096, 1149652, 12609880, 27234646, 12609880, 1149652, ...
[ "nonn", "tabl", "uned" ]
A294695
[ 1, 1, 2, 6, 21, 73, 240, 748, 2240, 6525, 18653, 52640, 147210, 408957, 1130398, 3112172, 8540753, 23375439, 63830072, 173949534, 473211976, 1285299971, 3486071977, 9442928926, 25548319586, 69046732343, 186416183910, 502821645418, 1355067144205, 364878157944...
[ "nonn", "easy" ]
A269723
[ 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1...
[ "nonn" ]
A169034
[ 1, 21, 420, 8400, 168000, 3360000, 67200000, 1344000000, 26880000000, 537600000000, 10752000000000, 215040000000000, 4300800000000000, 86016000000000000, 1720320000000000000, 34406400000000000000 ]
[ "nonn" ]
A215255
[ 1, 1, 2, 3, 4, 6, 10, 13, 23, 29, 42, 65, 107, 136, 243, 308, 444, 687, 1131, 1439, 2570, 3257, 4696, 7266, 11962, 15219, 27181, 34447, 49666, 76847, 126513, 160960, 287473, 364320, 525280, 812753, 1338033, 1702353, 3040386, 3853139 ]
[ "nonn", "base" ]
A144931
[ 1, 7, 11, 15, 17, 19, 21, 23, 27, 29, 39, 41, 47, 49, 55, 57, 73, 75, 83, 93, 95, 101, 103, 107, 109, 113, 115, 117, 119, 123, 125, 127, 131, 137, 139, 143, 155, 161, 163, 165, 169, 171, 177, 183, 185, 191, 199, 203, 207...
[ "nonn" ]
A290090
[ 0, 1, 1, 2, 1, 2, 1, 3, 1, 2, 1, 3, 1, 3, 1, 4, 1, 2, 1, 3, 2, 3, 1, 4, 1, 3, 1, 5, 1, 2, 1, 5, 2, 2, 2, 3, 1, 3, 2, 4, 1, 5, 1, 5, 1, 2, 1, 5, 2, 3, 1, 5, 1, 2, 2, 7, 2, 2, 1, 3, 1, 3, 3, 6...
[ "nonn", "base" ]
A229116
[ 1, 1, 0, 1, 0, 2, 2, 9, 8, 38, 28, 154, 126, 676, 602, 3129, 2816, 14718, 13384, 70334, 65204, 342108, 321788, 1686698, 1602214, 8402492, 8051652, 42239764, 40797750, 214045640, 208136494, 1092138905, 1068176200, 5606018286, 5511336912, 289295949...
[ "nonn" ]
A181712
[ 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0...
[ "nonn" ]
A223998
[ 36, 736, 8291, 71061, 559188, 4368458, 34534687, 276286000, 2229871293, 18115082917, 147889219961, 1211856739505, 9958518859510, 82010005661441, 676451232895869, 5586333937854878, 46174727441274520, 381916881456838800 ]
[ "nonn" ]
A128466
[ 2, 7, 311, 7563707819165040000 ]
[ "nonn" ]
A130219
[ 1, 1, 4, 56, 631, 15457, 582374, 18589286, 894499204, 51154344582, 3823359163826, 274722100927166, 25458967562911130, 2569179797929092600, 284554990016509380000, 3.783015318719069e+22, 5.093072752898943e+24, 7.988147783354736e+26 ]
[ "easy", "nonn" ]
A061115
[ 1, 11, 231, 61161, 245035101, 12027422585151, 72017641624735180000, 5.040130681313268e+27, 4.032010958411812e+36, 3.6288010265761173e+46 ]
[ "nonn", "base", "less" ]
A170054
[ 1, 45, 1980, 87120, 3833280, 168664320, 7421230080, 326534123520, 14367501434880, 632170063134720, 27815482777927680, 1223881242228818000, 53850774658067990000, 2.3694340849549915e+21, 1.0425509973801963e+23 ]
[ "nonn" ]
A191611
[ 3, 7, 8, 31, 127, 8191, 131071, 524287, 2147483647, 2305843009213694000, 6.189700196426902e+26, 1.6225927682921336e+32, 1.7014118346046923e+38 ]
[ "nonn" ]
A362297
[ 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 19, 7, 1, 1, 1, 97, 55, 19, 1, 1, 1, 508, 445, 472, 40, 1, 1, 1, 2683, 3625, 13249, 2023, 97, 1, 1, 1, 14209, 29575, 392299, 109771, 13249, 217, 1, 1, 1, 75316, 241375, 11877025, 6...
[ "nonn", "tabl" ]
A249094
[ 0, 0, 4, 1, 0, 2, 0, 0, 4, 0, 0, 4, 1, 0, 2, 1, 0, 0, 7, 0, 2, 1, 0, 2, 0, 0, 4, 1, 0, 2, 1, 0, 2, 0, 0, 4, 0, 0, 4, 1, 0, 2, 0, 0, 4, 0, 2, 1, 0, 2, 1, 0, 0, 7, 0, 0, 4, 1, 0, 2, 0, 0, 4, 0...
[ "nonn" ]
A164312
[ 1, 2, 4, 8, 16, 1440 ]
[ "nonn", "hard", "more" ]
A219332
[ 12613, 15737, 43189, 56263, 72337, 76289, 77783, 84067, 102559, 108179, 109789, 109843, 109891, 115727, 115901, 120557, 125927, 127247, 135613, 149287, 155599, 161461, 169843, 172973, 178307, 179233, 184559, 188519, 192271, 198461, 206489, 218833, 2207...
[ "nonn" ]
A337078
[ 2, 3, 5, 8, 13, 21, 37, 65, 124, 232, 431, 760, 1424, 2575, 4772, 8932, 17033, 32225, 61764, 117897, 224944, 428155, 814294, 1547596, 2934212, 5572886, 10609364, 20237826, 38773350, 74609953, 144275968, 280018507, 545782822, 1064716523, 2081890937,...
[ "nonn", "base" ]
A299734
[ 1, 8, 220, 21111, 6896530, 7790212998, 30260326859957, 404132235613627400, 1.8556239226034408e+22 ]
[ "nonn" ]
A278553
[ 0, 0, 0, 4, 70, 4, 65, 1531, 1531, 65, 456, 25402, 124564, 25402, 456, 2128, 385040, 6207774, 6207774, 385040, 2128, 7728, 4880813, 256173362, 1116456061, 256173362, 4880813, 7728, 23607, 50476458, 9647190761, 157222953688, 157222953688 ]
[ "nonn", "tabl" ]
A349944
[ 1, 210, 2, 10, 310, 3, 20, 320, 4, 21, 321, 5, 30, 410, 6, 31, 420, 7, 32, 11, 421, 8, 40, 430, 9, 41, 431, 12, 100, 432, 13, 101, 510, 14, 102, 103, 104, 105, 42, 15, 43, 16, 50, 520, 17, 51, 521, 18, 52, 19, 53, ...
[ "nonn", "base" ]
A116376
[ 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 2, 0, 0, 1, 0, 0, 3, 0, 0, 2, 0, 0, 3, 0, 0, 3, 0, 0, 4, 0, 0, 4, 0, 0, 6, 0, 0, 5, 0, 0, 7, 0, 0, 7, 0, 0, 9, 0, 0, 9, 0...
[ "nonn", "base" ]
A041472
[ 15, 16, 111, 127, 3921, 4048, 28209, 32257, 995919, 1028176, 7164975, 8193151, 252959505, 261152656, 1819875441, 2081028097, 64250718351, 66331746448, 462241197039, 528572943487, 16319429501649, 16848002445136, 117407444172465, 134255446617601 ]
[ "nonn", "cofr", "frac", "easy" ]
A034101
[ 21, 31, 43, 57, 73, 91, 92, 111, 112, 133, 134, 157, 158, 183, 184, 211, 212, 213, 241, 242, 243, 273, 274, 275, 307, 308, 309, 343, 344, 345, 381, 382, 383, 384, 421, 422, 423, 424, 463, 464, 465, 466, 507, 508, 509, 510, 5...
[ "nonn", "easy", "base" ]
A383129
[ 1, 55194, 222647, 217960, 59133, 66566, 85459, 4212, 13625, 88498, 246831, 31424, 65077, 236190, 217163, 241996, 69489, 20042, 198055, 232728, 55661, 160054, 45507, 32420, 225193, 253026, 47519, 101872, 174885, 68558, 146491, 37884, 192737, 67450, ...
[ "nonn", "look", "easy" ]
A196944
[ 1, 11, 210, 18060, 5039158, 4998342821, 17331168379114, 210721221635883330 ]
[ "nonn" ]
A029028
[ 1, 1, 2, 2, 3, 3, 4, 4, 5, 6, 7, 9, 10, 12, 13, 15, 16, 18, 20, 22, 25, 27, 31, 33, 37, 39, 43, 46, 50, 54, 58, 63, 67, 73, 77, 83, 88, 94, 100, 106, 113, 119, 127, 133, 142, 149, 158, 166, 175, 184, 193, 203, 21...
[ "nonn" ]
A231538
[ 2, 6, 20, 57, 164, 485, 1424, 4169, 12228, 35868, 105177, 308433, 904520, 2652574, 7778858, 22812126, 66898367, 196184665, 575326896, 1687191264, 4947820577, 14509871545, 42551335553, 124785126404, 365942162811, 1073154072467 ]
[ "nonn" ]
A354535
[ 1, 2, 3, 4, 5, 5, 6, 6, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18...
[ "nonn" ]
A138496
[ 0, 1, 10, 120, 3003 ]
[ "nonn", "more" ]
A042061
[ 1, 1, 2, 13, 54, 67, 121, 551, 3427, 3978, 7405, 344608, 352013, 696621, 4531739, 18823577, 23355316, 42178893, 192070888, 1194604221, 1386675109, 2581279330, 120125524289, 122706803619, 242832327908, 1579700771067, 6561635412176, 8141336183243 ]
[ "nonn", "frac", "easy" ]
A164652
[ 1, 0, 1, 1, 0, 1, 0, 5, 0, 1, 8, 0, 15, 0, 1, 0, 84, 0, 35, 0, 1, 180, 0, 469, 0, 70, 0, 1, 0, 3044, 0, 1869, 0, 126, 0, 1, 8064, 0, 26060, 0, 5985, 0, 210, 0, 1, 0, 193248, 0, 152900, 0, 16401, 0, 330, 0, 1,...
[ "nonn", "tabl" ]
A122581
[ 1, 1, 1, 1, 1, -2, -5, -2, 4, 13, 19, -5, -50, -65, -20, 118, 283, 187, -311, -914, -1001, 334, 3040, 4405, 835, -8273, -17030, -11189, 20068, 60178, 60427, -29165, -192491, -274310, -39845, 553798, 1070812, 635629, -1341437, -3836765, ...
[ "sign" ]
A320410
[ 1, 1, 1, 5, 1, 1, 1, 120, 1, 1, 1, 5, 1, 1, 1, 2880, 1, 1, 1, 5, 1, 1, 1, 120, 1, 1, 1, 5, 1, 1, 1, 69120, 1, 1, 1, 5, 1, 1, 1, 120, 1, 1, 1, 5, 1, 1, 1, 2880, 1, 1, 1, 5, 1, 1, 1, 120, 1, 1, 1, 5, ...
[ "nonn" ]
A027783
[ 45, 550, 3630, 17160, 65065, 210210, 600600, 1555840, 3719430, 8314020, 17551820, 35271600, 67897830, 125847260, 225544440, 392251200, 663966875, 1096717050, 1771619850, 2804201400, 4356527175, 6652824750, 9999397200, 14809766400, 21636143100, 31208497320 ]
[ "nonn", "easy" ]
A384347
[ 5, 7, 21, 22, 25, 26, 33, 35, 39, 49, 102, 114, 130, 147, 154, 165, 170, 175, 190, 195, 231, 238, 242, 255, 275, 285 ]
[ "nonn", "more" ]
A365642
[ 1, 2, 3, 5, 4, 9, 13, 8, 7, 15, 11, 16, 27, 43, 10, 53, 21, 32, 2809, 81, 17, 14, 31, 25, 28, 148877, 45, 19, 64, 83, 49, 6, 55, 61, 29, 12, 41, 7890481, 18, 179, 197, 47, 122, 169, 97, 38, 75, 113, 94, 23, 39, 62,...
[ "nonn" ]
A003113
[ 2, 1, 2, 2, 3, 3, 5, 5, 7, 8, 10, 11, 15, 16, 20, 23, 28, 31, 38, 42, 51, 57, 67, 75, 89, 99, 115, 129, 149, 166, 192, 213, 244, 272, 309, 344, 391, 433, 489, 543, 611, 676, 760, 839, 939, 1038, 1157, 1276, 1422, 1565,...
[ "nonn" ]
A366572
[ 1, 2, 6, 2, 30, 6, 42, 6, 10, 10, 66, 6, 2730, 210, 2, 6, 510, 10, 798, 42, 110, 330, 138, 2, 546, 546, 2, 2, 870, 30, 14322, 462, 170, 510, 6, 2, 1919190, 51870, 2, 6, 13530, 110, 1806, 42, 46, 690, 1410, 2, 1326, 132...
[ "nonn" ]
A176277
[ 0, 1, 3, 18, 125, 1020, 9667, 104790, 1281177, 17457840, 262493231, 4318429962, 77178551749, 1489209086820, 30859393432155, 683549418431934, 16118484827641840, 403156528379483140, 10661349675027657000 ]
[ "easy", "nonn", "changed" ]
A289850
[ 11, 101, 941, 10391, 135131, 2027021, 654729071, 7905853580621, 221643095476699760000, 7.977794181429167e+58, 6.462013286957625e+60 ]
[ "nonn" ]
A122225
[ 1, 6, 20, 52, 111, 214, 376, 620, 967, 1452, 2096, 2952, 4047, 5422, 7128, 9236, 11773, 14834, 18450, 22704, 27675, 33460, 40090, 47708, 56383, 66214, 77276, 89748, 103647, 119206, 136476, 155592, 176681, 199858, 225224, 253104, 283555, 31669...
[ "nonn" ]
A000199
[ 1, 3, 3, 7, 6, 12, 13, 20, 21, 34, 36, 51, 58, 78, 89, 118, 131, 171, 197, 245, 279, 349, 398, 486, 557, 671, 767, 920, 1046, 1244, 1421, 1667, 1898, 2225, 2525, 2937, 3333, 3856, 4367, 5034, 5683, 6521, 7365, 8409, 9473, 1079...
[ "nonn" ]
A048431
[ 11, 383, 878, 878, 1815181, 3195913, 115797511, 180525081, 430010034, 43438983434, 1149177719411, 4121706071214, 121109272901121, 179236404632971, 759247717742957, 6470297557920746, 6470297557920746, 1916390863680936200 ]
[ "nonn", "frac", "base", "more" ]
A115287
[ 6, 3, 8, 1, 0, 3, 7, 4, 3, 3, 6, 5, 1, 1, 0, 7, 7, 8, 5, 2, 2, 4, 0, 7, 3, 8, 5, 5, 1, 9, 8, 8, 0, 3, 1, 4, 4, 4, 3, 9, 3, 3, 8, 4, 1, 2, 8, 9, 0, 2, 7, 6, 4, 0, 4, 1, 9, 4, 8, 3, 1, 9, 3, 6...
[ "nonn", "cons", "easy" ]
A304262
[ 0, 72, 61, 181, 772, 2516, 10024, 35769, 143364, 546403, 2127606, 8299219, 32202805, 125918125, 490459555, 1914519705, 7464476082, 29134292070, 113630849252, 443388799039, 1729833956517, 6748798176297, 26331366063005, 102730407728899 ]
[ "nonn" ]
A181169
[ 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 2, 2, 1, 0, 0, 2, 1, 2, 1, 0, 0, 3, 3, 3, 3, 1, 0, 0, 3, 3, 4, 3, 3, 1, 0, 0, 4, 3, 6, 6, 3, 4, 1, 0, 0, 4, 4, 8, 5, 8, 4, 4, 1, 0, 0, 5, 5, 10, 10, 10, 10, 5,...
[ "nonn", "tabl" ]
A122703
[ 137, 823547, 271818611111, 9974730326005060, 630634881591804900, 32525450580470428000, 2.169562730596121e+21, 3.863897579789788e+21, 1.222883456459589e+23, 6.802035686682508e+23, 3.1673375053026523e+24, 6.421072852468063e+24, 8.417887306491957e+24, 2.1307550075749197e+25 ]
[ "nonn" ]
A355188
[ 5, 7, 17, 43, 61, 73, 241, 739, 1297, 4211, 98519 ]
[ "nonn", "more" ]
A201670
[ 7, 1, 1, 5, 3, 3, 8, 8, 8, 3, 6, 7, 1, 5, 1, 4, 9, 9, 2, 4, 6, 7, 9, 6, 3, 0, 7, 4, 2, 8, 2, 1, 2, 5, 5, 6, 7, 7, 2, 7, 9, 9, 2, 0, 5, 9, 3, 7, 5, 3, 9, 0, 7, 5, 8, 0, 6, 0, 8, 8, 5, 4, 9, 8...
[ "nonn", "cons" ]
A017984
[ 1, 2, 3, 3, 5, 7, 9, 13, 19, 27, 39, 57, 81, 117, 169, 243, 351, 506, 729, 1052, 1517, 2187, 3155, 4550, 6561, 9463, 13648, 19683, 28388, 40943, 59049, 85164, 122827, 177147, 255491, 368481, 531441, 766471, 1105442, 1594323, 2299412, ...
[ "nonn" ]
A013244
[ 1, 0, 0, 0, 3, 0, 90, -168, 5145, -22176, 480564, -3388880, 66715803, -661044384, 12931436518, -165061218840, 3342012731057, -51969545948608, 1111264170332872, -20261556663255070, 462081844937750140 ]
[ "sign" ]
A364671
[ 1, 2, 4, 6, 10, 14, 23, 34, 58, 96, 171, 302, 565, 1041, 1969, 3719, 7105, 13544, 25999, 49852, 95949, 184658, 356129, 687068, 1327540, 2566295, 4966449, 9617306, 18640098, 36150918, 70166056, 136272548, 264844111, 515036040, 1002211421, 19513451...
[ "nonn" ]
A122403
[ 1, 0, 3, 4, 5, 9, 6, 12, 7, 15, 16, 27, 8, 18, 20, 36, 9, 21, 24, 45, 25, 48, 81, 10, 24, 28, 54, 30, 60, 108, 64, 11, 27, 32, 63, 35, 72, 135, 80, 36, 75, 144, 243, 12, 30, 36, 72, 40, 84, 162, 96, 42, 90, 180...
[ "nonn", "obsc", "uned", "tabf" ]
A210928
[ 1, 2, 55, 5892, 2081181, 2353015360, 8533282805517, 99227545384370980, 3.6999092516147833e+21, 4.423753635340507e+26, 1.6960236991111214e+32 ]
[ "nonn" ]
A298586
[ 1, 5, 16, 13, 65, 233, 441, 1765, 7431, 28212, 121244, 535305, 2361877, 10551449, 47554828, 214039124, 966285097, 4368687478, 19746143290, 89312123155, 404063434650, 1827979396242, 8271023750062, 37425517979193, 169345873182577 ]
[ "nonn" ]
A301389
[ 2, 8, 4, 5, 3, 4, 4, 9, 0, 3, 2, 0, 2, 5, 4, 7, 2, 1, 7, 2, 7, 7, 8, 4, 3, 3, 6, 2, 0, 9, 0, 5, 5, 7, 0, 9, 7, 6, 6, 1, 0, 3, 6, 1, 1, 4, 9, 4, 4, 1, 4, 3, 5, 1, 4, 5, 5, 9, 1, 7, 9, 6, 0, 6...
[ "nonn", "cons" ]
A030619
[ 0, 1, 0, 0, 0, 1, 2, 2, 1, 0, 0, 0, 0, -1, -1, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 4, 4, 4, 4, 4, 3, 4, 3, 3, 3, 4, 5, 5, 5, 5, 5, 5, 5, 4, 4, 5, 5, 5, 5, 5, 5, 5, 4, 4, 5, 6, 6, 6, 7, ...
[ "sign" ]
A236783
[ 255, 1097, 4452, 19851, 87889, 405350, 1877803, 8891685, 42339874, 204256129, 989815233, 4835576474, 23700386333, 116758334093, 576519616008, 2856054677187, 14171463522891, 70467204359198, 350790297038485 ]
[ "nonn" ]
A094505
[ 2, 16, 64, 2048 ]
[ "nonn" ]
A105991
[ 10, 111, 1011, 1101, 1111, 10001, 11101, 11111, 100001, 101011, 110101, 110111, 111001, 111011, 111101, 1000001, 1000011, 1000101, 1000111, 1001001, 1001101, 1001111, 1010001, 1010111, 1100111, 1101011, 1110001, 1110011, 1110101, 1111001, 1111111, 100000...
[ "base", "nonn" ]
A060255
[ 3, 5, 29, 419, 2309, 180179, 4084079, 106696589, 892371479, 103515091679, 4412330782859, 29682952539239, 22514519501013540, 313986271960080700, 22750921955774180000, 912496437361321300000, 2.6918644902158976e+22, 1.2901721949534767e+24, 1.9017138153614247e+27 ]
[ "nonn" ]
A119482
[ 80, 90, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 215, 218, 219, 240, 250, 251, 255, 256, 258, 259, 260, 270, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299...
[ "nonn", "word", "less" ]
A077638
[ 0, 2, 6, 8, 18, 42, 57, 105, 372, 1344, 1800, 7291, 32524, 150567, 342906, 738854, 3298239, 20772345, 36965663, 184510241, 1433356755, 7840220998, 56906577387, 113611483212, 843530932394, 6257315565011, 60692272232438, 70311381976766, 692150332693349, 488846...
[ "nonn" ]
A088956
[ 1, 1, 1, 3, 2, 1, 16, 9, 3, 1, 125, 64, 18, 4, 1, 1296, 625, 160, 30, 5, 1, 16807, 7776, 1875, 320, 45, 6, 1, 262144, 117649, 27216, 4375, 560, 63, 7, 1, 4782969, 2097152, 470596, 72576, 8750, 896, 84, 8, 1, 100000000, 43046...
[ "nonn", "tabl", "nice" ]
A372303
[ 7, 11, 23, 31, 41, 47, 59, 71, 79, 131, 137, 151, 167, 239, 311, 359, 443, 461, 701, 839, 911, 1021, 1039, 1367, 1721, 1847, 2207, 2351, 2551, 2861, 3191, 3719, 4019, 4691, 4759, 5039, 5167, 5279, 6971, 7481, 7853, 7919, 9311, 961...
[ "nonn" ]
A018197
[ 1, 5, 16, 27, 31, 64 ]
[ "nonn", "more" ]
A276536
[ 1, 9, 233, 8673, 376329, 17800209, 890215361, 46294813497, 2478150328777, 135642353562321, 7556884938829233, 427106589765940160, 24429206859151620000, 1.4113914706516923e+21, 8.224590244458637e+22, 4.828398428680135e+24 ]
[ "nonn" ]
A345124
[ 20, 50, 284, 1868, 47951, 6245927, 15932178151 ]
[ "nonn", "more" ]
A256591
[ 0, 2, 2, 9, 7, 1, 9, 4, 4, 3, 1, 5, 1, 4, 5, 4, 3, 7, 5, 3, 5, 2, 4, 9, 8, 7, 6, 4, 9, 7, 6, 3, 2, 1, 7, 0, 2, 6, 4, 5, 9, 3, 0, 1, 3, 8, 3, 7, 5, 8, 9, 0, 6, 3, 4, 9, 9, 1, 4, 4, 6, 2, 2, 1...
[ "nonn", "cons" ]
A143561
[ 1, 2, 9, 24, 88, 280, 1064, 3672, 14456, 52184, 210504, 782232, 3210904, 12176792, 50638440, 194956248, 818961080, 3189915224, 13508052104, 53105011480, 226355549400, 896636646936, 3842662060200, 15317408281944, 65946510374136 ]
[ "nonn" ]
A043988
[ 43, 67, 124, 148, 205, 229, 286, 310, 367, 395, 448, 472, 529, 553, 611, 634, 691, 715, 772, 796, 853, 877, 934, 958, 1015, 1039, 1096, 1124, 1177, 1201, 1258, 1282, 1340, 1363, 1420, 1444, 1501, 1525, 1582, 1606, 1663, 1687 ]
[ "nonn", "base" ]
A091802
[ 2, 1, 5, 4, 10, 1, 5, 17, 20, 6, 19, 1, 16, 36, 40, 46, 8, 41, 6, 48, 63, 67, 63, 78, 71, 100, 37, 12, 30, 31, 66, 12, 10, 79, 83, 20, 146, 145, 158, 132, 8, 36, 86, 46, 109, 89, 111, 210, 177, 12, 186, 44, 58, ...
[ "base", "nonn" ]
A179531
[ 0, 1, 2, 4, 6, 10, 16, 3, 13, 16, 3, 13, 16, 29, 2, 27, 29, 10, 19, 29, 48, 8, 40, 48, 16, 32, 48, 5, 43, 48, 13, 35, 48, 2, 46, 48, 10, 38, 48, 86, 8, 78, 86, 35, 51, 86, 5, 81, 86, 32, 54, 86, 2, 84, 86, ...
[ "nonn" ]
A059318
[ 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1...
[ "tabf", "easy", "nonn" ]
A168132
[ 1, 2, 7, 9, 14, 52, 149, 213, 673, 1778, 3653, 6831, 9868, 570972, 2835107, 3613594, 47211979, 60418265, 99909506, 1701207282, 4587170542, 10955668024, 29031152874, 114018751785, 813149731047 ]
[ "nonn", "more" ]
A292807
[ 1, 7, 37, 807, 13441, 413243, 13468813, 571503103, 28308826657, 1666118229819, 113262531063661, 8830681086125231, 780324383486361900, 77494753844885000000, 8.58153354622725e+21, 1.0525035371176068e+24, 1.4211616580421801e+26, 2.101420891319525e+28, 3.386598011981006e+30, 5.9229...
[ "nonn" ]
A070327
[ 256, 387420489, 4096, 59604644775390620, 60466176, 79792266297612000, 8589934592, 984770902183611200000, 100, 1.191817653772721e+27, 1283918464548864, 137858491849, 1475789056 ]
[ "base", "nonn" ]
A136841
[ 0, 1, 3, 10, 30, 100, 300, 1000, 1049, 1393, 3000, 10000, 10490, 10493, 13930, 30000, 33903, 44049, 100000, 100499, 104900, 104930, 109499, 139300, 300000, 339030, 440490, 1000000, 1004990, 1004993, 1049000, 1049300, 1094990, 1393000, 3000000, 33...
[ "base", "nonn" ]
A082551
[ -1, -1, -1, -1, -1, 0, -1, -1, -1, -1, -1, 1, -1, -1, -1, -1, -1, 1, -1, 1, -1, -1, -1, 1, -1, -1, -1, 0, -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, ...
[ "easy", "sign" ]
A011640
[ 1, 1, 0, -1, -1, 0, 1, 1, 0, -1, -1, -1, 0, 1, 1, 0, -1, -1, 0, 1, 1 ]
[ "sign", "fini", "full" ]
A071222
[ 1, 2, 1, 2, 1, 4, 1, 2, 1, 2, 1, 4, 1, 2, 1, 2, 1, 4, 1, 2, 1, 2, 1, 4, 1, 2, 1, 2, 1, 6, 1, 2, 1, 2, 1, 4, 1, 2, 1, 2, 1, 4, 1, 2, 1, 2, 1, 4, 1, 2, 1, 2, 1, 4, 1, 2, 1, 2, 1, 6, 1, 2, 1, 2...
[ "easy", "nonn" ]
A311026
[ 1, 4, 8, 11, 13, 16, 23, 29, 34, 38, 41, 43, 47, 53, 60, 62, 69, 71, 75, 78, 85, 91, 91, 98, 102, 106, 109, 113, 120, 119, 128, 133, 138, 140, 142, 149, 150, 159, 164, 166, 169, 170, 179, 181, 191, 195, 195, 198, 201, ...
[ "nonn" ]
A200578
[ 260, 163706, 70594592, 32523513414, 15075017283404, 6967106819900592 ]
[ "nonn" ]
A137120
[ 6, 66, 666, 6666, 66666, 666666, 6666666, 66666666, 666666666, 6666666666, 66666666666, 666666666666, 6666666666666, 66666666666666, 666666666666666, 6666666666666666, 66666666666666664, 666666666666666600, 6666666666666667000, 66666666666666660000 ]
[ "base", "nonn" ]
A307490
[ 1, 1, 3, 10, 39, 161, 700, 3144, 14495, 68167, 325787, 1577654, 7724612, 38176620, 190196440, 954182528, 4816268367, 24441691827, 124633707865, 638272397350, 3281390284623, 16929034639153, 87617665434328, 454796186669800, 2367025393846724, 12349738834935876 ]
[ "nonn" ]
A203229
[ 1, 17, 1393, 357904, 224021776, 290539581696, 697854274212096, 2859056348455305000, 1.8760911610508623e+22, 1.87626456226399e+26, 2.7472123468238354e+30, 5.696873399090046e+34 ]
[ "nonn" ]
A100997
[ 2, 3, 4, 8, 21, 26, 35, 56, 61, 77, 200, 536, 695, 789, 904, 1037, 66885, 70499, 91835, 100612, 127239, 380733, 583695 ]
[ "nonn", "hard", "more" ]