id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A132471
[ 1, 1, 1, 2, 2, 1, 12, 4, 3, 1, 132, 30, 6, 4, 1, 2200, 384, 54, 8, 5, 1, 50020, 7300, 780, 84, 10, 6, 1, 1458576, 186620, 16500, 1344, 120, 12, 7, 1, 52443832, 6046600, 465240, 31120, 2100, 162, 14, 8, 1, 2262992496, 239321824, 16486512, 955000, 52600, 3072 ]
[ "nonn", "tabl" ]
A044720
[ 107, 207, 307, 407, 507, 607, 707, 807, 907, 1007, 1079, 1107, 1207, 1307, 1407, 1507, 1607, 1707, 1807, 1907, 2007, 2079, 2107, 2207, 2307, 2407, 2507, 2607, 2707, 2807, 2907, 3007, 3079, 3107, 3207, 3307, 3407, 3507 ]
[ "nonn", "base" ]
A248640
[ 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0 ]
[ "nonn" ]
A015890
[ 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, 0, 0, 0, -1, 0, 0, 1, 0, 0, 0, 0, 0, -1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0 ]
[ "sign" ]
A066544
[ 4, 69360, 25181448044544, 5.002820530193223e+26, 1.3642050428376782e+45, 1.1197046252191017e+69 ]
[ "nonn" ]
A299968
[ 1, 1, 2, 5, 15, 51, 189, 753, 3248, 14738, 70658, 354178, 1857703, 10121033, 57224955, 334321008, 2017234773, 12530668585, 80083779383, 525284893144, 3533663143981, 24336720018666, 171484380988738, 1234596183001927, 9075879776056532, 68052896425955300 ]
[ "nonn" ]
A111232
[ 2, 5, 2, 3, 5, 5, 9, 26, 9, 16, 11, 5, 6, 2, 46, 18, 16, 89, 10, 2, 2, 94, 7, 7, 16, 26, 230, 5, 2, 140, 34, 69, 114, 6, 2, 179, 994, 2, 76, 165, 8, 69, 3, 294, 230, 96, 7, 720, 684, 2029, 2, 2, 25, 135, 523, 271, 161, 1210, 139, 14, 34, 194, 238, 87, 355, 636, 40, 1114, 519, 2 ]
[ "nonn" ]
A129703
[ 1, 3, 6, 14, 36, 97, 268, 751, 2124, 6047, 17304, 49722, 143366, 414585, 1201918, 3492118, 10165780, 29643871, 86574832, 253188112, 741365050, 2173243129, 6377181826, 18730782253, 55062586342, 161995031227, 476941691178 ]
[ "nonn", "walk" ]
A029216
[ 1, 0, 1, 0, 1, 0, 2, 1, 2, 1, 3, 1, 4, 2, 5, 2, 6, 3, 7, 4, 9, 5, 10, 6, 12, 7, 14, 9, 16, 10, 19, 12, 21, 14, 24, 16, 27, 19, 30, 21, 34, 24, 38, 27, 42, 30, 46, 34, 51, 38, 56, 42, 61, 46, 67, 51, 73, 56, 79, 61, 86, 67, 93 ]
[ "nonn", "easy" ]
A081644
[ 26, 29, 34, 41, 50, 51, 54, 59, 66, 75, 76, 79, 84, 91, 101, 104, 109, 116, 125, 126, 129, 134, 141, 150, 151, 154, 159, 166, 175, 176, 179, 184, 191, 200, 201, 204, 209, 216, 226, 229, 234, 241, 250, 251, 254, 259, 266, 275, 276, 279, 284, 291, 300, 301, 304 ]
[ "easy", "nonn" ]
A148498
[ 1, 1, 3, 5, 15, 29, 97, 209, 739, 1697, 6021, 14299, 52027, 127633, 473223, 1189853, 4416111, 11271917, 42295113, 109669063, 415390879, 1091329437, 4135009859, 10957215225, 41769771825, 111723881139, 428304396077, 1155044333999, 4428390412119, 12008999091781, 46220639036797, 126123622938745 ]
[ "nonn", "walk" ]
A388274
[ 1, 3, 4, 7, 3, 3, 8, 5, 13, 9, 3, 7, 7, 3, 3, 31, 9, 13, 5, 7, 32, 9, 3, 5, 31, 7, 5, 7, 5, 9, 32, 7, 3, 27, 3, 13, 19, 5, 7, 5, 7, 3, 11, 7, 13, 9, 3, 31, 19, 31, 9, 49, 27, 5, 9, 5, 5, 5, 5, 7, 31, 3, 13, 127, 7, 9, 17, 7, 3, 9, 9, 13, 37, 19, 31, 7, 3, 7, 5, 31, 121, 7, 7, 7, 27, 11, 5, 5, 5, 13, 7, 7, 128, 9 ]
[ "nonn", "easy", "changed" ]
A058703
[ 1, 0, 1, 2, 2, 3, 4, 5, 6, 8, 10, 12, 15, 18, 22, 27, 32, 38, 46, 54, 64, 76, 89, 104, 122, 141, 164, 191, 220, 254, 293, 336, 385, 442, 504, 575, 656, 745, 846, 960, 1086, 1228, 1388, 1564, 1762, 1984, 2228, 2501, 2806, 3142, 3516, 3932, 4390, 4898, 5462, 6082, 6768, 7527, 8360, 9280, 10295, 11408, 12634, 13984, 15462 ]
[ "nonn" ]
A025030
[ 1, 7, 28, 140, 658, 3164, 15106, 72302, 345775, 1654092, 7911970, 37846314, 181033035, 865951710, 4142180085, 19813648817, 94776329265, 453351783116, 2168556616440, 10373043626906, 49618272850056, 237343357526002 ]
[ "nonn", "easy" ]
A326821
[ 0, 1, 2, 3, 4, 4, 4, 5, 6, 7, 6, 7, 6, 6, 7, 8, 9, 11, 12, 13, 14, 13, 13, 13, 13, 14, 16, 17, 19, 20, 19, 20, 20, 19, 20, 22, 22, 24, 25, 26, 26, 27, 26, 27, 26, 28, 29, 31, 32, 32, 32, 31, 32, 32, 35, 33, 33, 32, 32, 32, 31, 30, 30, 30, 31, 36, 34, 35, 36 ]
[ "nonn", "base" ]
A119971
[ 1, 0, 1, 3, 6, 10, 16, 30, 73, 201, 540, 1342, 3069, 6513, 12962, 24436, 44109, 77489, 136749, 256791, 550190, 1378554, 3843807, 11096833, 31607566, 86892690, 228901270, 577458936, 1397828943, 3255832291, 7318390846, 15919253376 ]
[ "easy", "nonn" ]
A014748
[ 1, 1, 121, 1, 676, 1, 91204, 3249, 1, 1418481, 14400, 1, 243953161, 18429849, 61009, 1, 7785238756, 213393664, 252004, 1, 1717027605316, 207199756864, 2288665600, 1026169, 1, 94830864276996, 4855359366144, 23298053769, 4145296, 1 ]
[ "nonn", "tabf", "easy" ]
A039784
[ 1, 2, 12, 48, 5832 ]
[ "nonn" ]
A151171
[ 1, 3, 12, 49, 213, 949, 4315, 19948, 93051, 438391, 2076618, 9895800, 47347875, 227405295, 1095653934, 5292729849, 25629887924, 124354876370, 604493596562, 2943061130320, 14349482523619, 70053868908239, 342395885103390, 1675286128579784, 8204662187789668, 40217855422498910, 197298725918886140 ]
[ "nonn", "walk" ]
A013770
[ 22, 234256, 2494357888, 26559922791424, 282810057883082750, 3.011361496339065e+21, 3.2064977213018367e+25, 3.4142787736421956e+29, 3.63552403817421e+33, 3.8711059958478985e+37 ]
[ "nonn", "easy" ]
A351819
[ 1, 1, 2, 1, 2, 1, 1, 2, 0, 1, 0, 2, 1, 2, 0, 2, 0, 1, 1, 2, 0, 2, 0, 2, 1, 1, 1, 0, 0, 2, 0, 0, 1, 2, 0, 2, 0, 0, 1, 0, 1, 2, 2, 0, 2, 0, 0, 2, 0, 0, 1, 1, 0, 2, 0, 1, 2, 0, 0, 2, 2, 0, 1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 1, 0, 2, 0, 0, 0, 1, 0, 0, 0, 2, 2, 0, 0, 2, 0, 0, 0, 2, 0, 1, 1, 1, 2, 0, 0, 2, 0, 0, 0 ]
[ "nonn", "tabf" ]
A243949
[ 1, 9, 169, 3969, 103041, 2832489, 80802121, 2365752321, 70611901441, 2139090528969, 65568745087209, 2029206892664961, 63300531617048960, 1987912809986437000, 62787371136571154000, 1.992942254830521e+21, 6.353184230201898e+22, 2.0330046613590057e+24 ]
[ "nonn", "easy" ]
A327495
[ 1, 17, 69, 1113, 17817, 285297, 1141213, 18260633, 1168681737, 18699007017, 74796032037, 1196736992841, 19147791938817, 306364680039081, 1225458720340365, 19607339566855064, 5019478929156306000, 80311662878468160000, 321246651514020360000, 5.139946424277662e+21 ]
[ "frac", "nonn" ]
A379631
[ 1, 1, 2, 1, 3, 2, 3, 1, 4, 1, 5, 3, 5, 1, 6, 3, 3, 1, 7, 4, 7, 1, 8, 1, 9, 5, 4, 3, 9, 1, 10, 4, 5, 1, 11, 6, 11, 1, 12, 5, 3, 1, 13, 7, 13, 1, 14, 5, 7, 1, 15, 8, 6, 5, 5, 3, 15, 1, 16, 1, 17, 9, 17, 1, 18, 7, 6, 9, 3, 1, 19, 10, 19, 1, 20, 6, 5, 1, 21, 11, 8, 6, 7, 3, 21, 1, 22, 7, 11, 1, 23, 12, 23, 1, 24, 9, 3, 1 ]
[ "nonn", "tabf" ]
A365827
[ 1, 1, 1, 1, 1, 1, 2, 2, 3, 4, 6, 7, 10, 12, 16, 20, 25, 30, 38, 45, 55, 66, 79, 93, 111, 130, 153, 179, 209, 242, 282, 325, 375, 432, 496, 568, 651, 742, 846, 963, 1094, 1240, 1406, 1589, 1795, 2026, 2282, 2567, 2887, 3240, 3634, 4072, 4557, 5094, 5692, 6351 ]
[ "nonn" ]
A049401
[ 1, 1, 2, 4, 10, 26, 75, 225, 715, 2347, 7990, 27908, 99991, 365587, 1362310, 5159208, 19831101, 77233517, 304423574, 1212962072, 4881181036, 19821471956, 81165639197, 334925706659, 1391935877463, 5823186349671, 24511802558326, 103772782048252, 441696903185704 ]
[ "nonn", "easy" ]
A100981
[ 1, 2, 3, 4, 105, 6, 7, 8, 9, 1210, 11, 12, 13, 14, 9315, 16, 17, 18, 19, 62420, 21, 22, 23, 24, 8203025, 26, 27, 28, 29, 2343630, 31, 32, 33, 34, 13671735, 36, 37, 38, 39, 78124840, 41, 42, 43, 44, 439452945, 46, 47, 48, 49, 295410156050, 51 ]
[ "nonn" ]
A074337
[ 107928278317, 117851061187, 127773844057, 137696626927, 147619409797, 157542192667, 167464975537, 177387758407, 187310541277, 197233324147, 207156107017, 217078889887, 227001672757, 236924455627, 246847238497, 256770021367, 266692804237, 276615587107 ]
[ "fini", "full", "nonn" ]
A113614
[ 121, 131, 141, 151, 161, 171, 181, 191, 0, 1001, 1012, 1021, 1032, 1043, 1054, 1065, 1076, 1087, 1098, 0 ]
[ "base", "more", "nonn", "uned" ]
A148860
[ 1, 1, 3, 8, 28, 96, 349, 1294, 4928, 19203, 76086, 305502, 1242251, 5100276, 21134073, 88267969, 371224527, 1571306552, 6688704784, 28618871601, 123033231031, 531189061092, 2302467195000, 10016716673010, 43723850494820, 191458643525064, 840812942650704, 3702591477065075, 16346395729010516 ]
[ "nonn", "walk" ]
A026135
[ 1, 2, 5, 14, 39, 110, 312, 890, 2550, 7334, 21161, 61226, 177575, 516114, 1502867, 4383462, 12804429, 37452870, 109682319, 321563658, 943701141, 2772060618, 8149661730, 23978203662, 70600640796, 208014215066, 613266903927 ]
[ "nonn" ]
A293241
[ 1, 4, 332, 11311777344 ]
[ "nonn", "more" ]
A034009
[ 1, 8, 38, 140, 443, 1268, 3384, 8584, 20965, 49744, 115402, 262996, 590831, 1311900, 2884956, 6293040, 13633305, 29362200, 62916910, 134220380, 285215651, 603983108, 1275072128, 2684358680, 5637149133, 11811165088 ]
[ "easy", "nonn", "changed" ]
A292425
[ 0, 0, 3, 1, 51, 89, 11, 417, 1251, 9897, 13307, 3057, 21459, 64377, 1765995, 1103681, 28476867, 51876169, 21410779, 265558929, 796676787, 5611255833, 8243832907, 3256662241, 22654888611, 67964665833, 1028527718331, 886559899441, 15853819231635, 29969271650489 ]
[ "nonn" ]
A030718
[ 1, 1, 1, 2, 1, 2, 1, 2, 3, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 15, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 15, 18, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20 ]
[ "nonn" ]
A327466
[ 1, 1, 3, 4, 8, 13, 19, 23, 27, 36, 46, 55, 67, 80, 94, 103, 119, 132, 150, 167, 187, 208, 230, 250, 266, 291, 311, 336, 364, 393, 423, 447, 479, 512, 546 ]
[ "nonn", "more" ]
A233013
[ 5, 74, 1202, 19643, 321125, 5249894, 85827722, 1403151863, 22939385045, 375023830514, 6131065553042, 100233536530883, 1638664887623765, 26789662490893936, 437969972870249150, 7160138624410349000 ]
[ "nonn" ]
A071270
[ 0, 1, 12, 57, 176, 425, 876, 1617, 2752, 4401, 6700, 9801, 13872, 19097, 25676, 33825, 43776, 55777, 70092, 87001, 106800, 129801, 156332, 186737, 221376, 260625, 304876, 354537, 410032, 471801, 540300, 616001, 699392, 790977, 891276, 1000825, 1120176 ]
[ "nonn", "easy" ]
A181696
[ 5, 2, 4, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 4, 2, 4, 2, 2, 2, 6, 2, 4, 2, 2, 4, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 5, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 2, 3, 2, 2, 3, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 4, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 2, 2, 2, 3, 3, 4, 3, 2, 2 ]
[ "nonn" ]
A217455
[ 77, 4205, 271863, 14031423, 816124375, 45755747495, 2588934295383, 146317423917255, 8268318911401803, 467338335126312200, 26413045308192125000, 1.492823071083582e+21, 8.437293256434982e+22 ]
[ "nonn" ]
A073459
[ 5, 16, 40, 98, 241, 591, 1393, 3386, 8313, 20393, 50189, 123972, 308917, 776173, 1953900, 4942615, 12556599, 32045879, 82012870, 210587095, 542262360, 1400124552, 3623612454, 9398492120, 24425121427, 63595807021, 165867439024 ]
[ "nonn" ]
A337901
[ 1, 25, 441, 7056, 108900, 1656369, 25050025, 378224704, 5712638724, 86394844900, 1308887012356, 19868414760000, 302198588499600, 4605510959127225, 70321771565375624, 1075697380745222400, 16483023079048102000, 252980753801047050000, 3.888662839165553e+21 ]
[ "nonn", "easy", "walk" ]
A353998
[ 1, 0, 0, 3, 6, 10, 195, 1281, 5908, 68076, 758565, 6486535, 75598446, 1059484218, 13378016743, 185273328345, 2999003869800, 48665352612376, 816394913567433, 15110162148144268, 292156921946387200, 5805684093139498000, 122617308231635240000 ]
[ "nonn" ]
A315398
[ 1, 6, 11, 15, 19, 23, 27, 31, 36, 42, 48, 53, 57, 61, 65, 69, 73, 78, 84, 90, 95, 99, 103, 107, 111, 115, 120, 126, 132, 137, 141, 145, 149, 153, 157, 162, 168, 174, 179, 183, 187, 191, 195, 199, 204, 210, 216, 221, 225, 229 ]
[ "nonn" ]
A177109
[ 20, 380, 3980, 39980, 399980, 3999980, 39999980, 399999980, 3999999980, 39999999980, 399999999980, 3999999999980, 39999999999980, 399999999999980, 3999999999999980, 39999999999999980, 400000000000000000 ]
[ "nonn", "easy" ]
A220186
[ 0, 8, 800, 78408, 7683200, 752875208, 73774087200, 7229107670408, 708378777612800, 69413891098384010, 6801852948864020000, 666512175097575600000, 6.531139130661354e+22, 6.39984983587303e+24, 6.271199725242503e+26 ]
[ "nonn", "easy" ]
A242242
[ 1, 0, 2, 5, 2, 2, 3, 2, 5, 2, 3, 2, 6, 3, 5, 2, 2, 2, 2, 7, 5, 3, 2, 3, 5, 2, 5, 2, 6, 3, 3, 2, 3, 2, 2, 6, 5, 2, 5, 2, 2, 2, 19, 5, 2, 3, 2, 3, 2, 6, 3, 7, 7, 6, 3, 5, 2, 6, 5, 3, 3, 2, 5, 17, 10, 2, 3, 10, 2, 2 ]
[ "nonn" ]
A309374
[ 2, 4, 6, 10, 12 ]
[ "nonn", "fini", "full" ]
A283023
[ 1, -2, 0, 2, 0, -4, 1, 6, 0, -8, 0, 12, -1, -18, 0, 24, 0, -32, 0, 44, 0, -58, 0, 76, 1, -100, 0, 128, 0, -164, 0, 210, 0, -264, 0, 332, -1, -416, 0, 516, 0, -640, -1, 790, 0, -968, 0, 1184, 2, -1444, 0, 1752, 0, -2120, 1, 2560, 0, -3078, 0, 3692, -2, -4420, 0 ]
[ "sign" ]
A351028
[ 0, 1, 0, 1, 4, 13, 44, 173, 792, 4009, 21608, 122761, 737340, 4696341, 31665076, 224846037, 1672266352, 12976252561, 104816144656, 880061135057, 7670326372532, 69286959112797, 647568753568636, 6251768635591613, 62255057942504970, 638658964709824100 ]
[ "nonn" ]
A100969
[ 855, 1029, 3813, 5577, 7040, 7304, 15104, 19136, 35350, 36992, 41031, 42009, 60368, 65536, 67821, 76880, 84525, 90601, 122831, 131175, 154570, 162565, 184009, 184585, 196504, 217021, 219830, 222200, 252161, 256041, 268677, 353115, 355737, 357568, 367517, 371229, 388367 ]
[ "easy", "nonn", "base" ]
A362743
[ 1, 3, 4, 10, 12, 18 ]
[ "nonn", "more" ]
A275163
[ 7, 33, 85, 189, 397, 813, 1645, 3309, 6637, 13293, 26605, 53229, 106477, 212973, 425965, 851949, 1703917, 3407853, 6815725, 13631469, 27262957, 54525933, 109051885, 218103789, 436207597, 872415213, 1744830445, 3489660909, 6979321837, 13958643693 ]
[ "nonn" ]
A110275
[ 48, 345, 2558, 19096, 142537, 1063902, 7941080, 59273033, 442419934, 3302267352, 24648459081, 183978603230, 1373234989528, 10249965503305, 76506784068318, 571054410533336, 4262408147993417, 31815047541813984, 237470747742538200 ]
[ "easy", "nonn" ]
A247491
[ 0, 0, 0, 0, 1, 5, 26, 126, 624, 3193, 17119, 96668, 576104, 3621982, 23980620, 166805068, 1215842905, 9263445775, 73599067250, 608471202527, 5224252803246, 46499854580107, 428369819029085, 4078345518655015, 40073659206668910, 405885206895408600, 4232705116291188000 ]
[ "nonn" ]
A105451
[ 1, 5, 15, 73, 75, 100347, 637329, 27067271, 179993015, 1208198523, 55762149023, 55762149103, 382465573515 ]
[ "nonn", "more" ]
A340517
[ 12, 56, 75, 80, 196, 200, 294, 351, 363, 405 ]
[ "nonn", "more" ]
A256661
[ 1, 2, 4, 3, 6, 9, 5, 7, 14, 25, 8, 10, 15, 38, 64, 13, 11, 17, 40, 98, 169, 21, 12, 22, 41, 103, 258, 441, 34, 16, 23, 46, 104, 271, 674, 1156, 55, 18, 24, 59, 106, 273, 708, 1766, 3025, 89, 19, 27, 61, 119, 274, 713, 1855, 4622, 7921, 144, 20, 28, 62, 153 ]
[ "nonn", "easy", "tabl" ]
A024658
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 380, 381, 382, 383, 384, 385 ]
[ "nonn", "base", "easy" ]
A031281
[ 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 3, 4, 5, 5, 5, 6, 5, 5, 5, 5, 6, 5, 5, 5, 6, 6, 7, 7, 7, 6, 5, 5, 5, 5, 5, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 5, 5, 6, 7, 7, 7, 8, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 7, 8, 7, 7, 8, 8, 8, 9, 10, 10, 9, 9, 10, 11, 11, 11, 11, 11 ]
[ "nonn" ]
A192249
[ 0, 5, 20, 90, 300, 930, 2610, 6900, 17295, 41605, 96660, 218145, 480225, 1034765, 2188385, 4552745, 9334760, 18892805, 37794765, 74817520, 146702410, 285169310, 549948760, 1052879110, 2002263910, 3784182685, 7110957850, 13291250220 ]
[ "nonn" ]
A081050
[ 1, 0, 5, 5, 74, 154, 2484, 8028, 149904, 663696, 14257440, 80627040, 1965444480, 13575738240, 370643938560, 3031488633600, 91657072281600, 867718162483200, 28779361764249600, 309920046408806400, 11185850044938240000 ]
[ "easy", "nonn" ]
A384462
[ 2, 3, 0, 0, 9, 5, 4, 5, 5, 1, 7, 0, 0, 5, 2, 5, 0, 3, 9, 8, 0, 6, 4, 2, 2, 7, 6, 9, 8, 9, 2, 2, 5, 6, 0, 0, 0, 4, 6, 9, 9, 7, 5, 6, 4, 6, 4, 0, 6, 2, 3, 9, 6, 4, 2, 8, 8, 0, 4, 1, 4, 9, 5, 4, 7, 7, 8, 7, 2, 1, 1, 7, 2, 7, 8, 9, 2, 4, 5, 0, 2, 6, 5, 2, 8, 1, 4, 1, 0, 0, 0, 4, 7, 1, 4, 4, 1, 9, 7, 7, 0, 5, 7, 4, 1 ]
[ "nonn", "cons", "easy" ]
A160012
[ 1, 16, -994, -55904, 2833036, 324848576, -12508897784, -2636506684544, 67268748657296, 27441366823956736, -317711553211272200, -348100470150839530000, -1.20107366575844e+21, 5.202289873610458e+24, 1.0275408504634198e+26, -8.939600742744154e+28 ]
[ "sign", "frac" ]
A315622
[ 1, 6, 12, 15, 24, 27, 30, 39, 48, 51, 54, 66, 66, 66, 78, 87, 90, 93, 102, 105, 108, 117, 126, 132, 132, 138, 144, 147, 156, 165, 168, 171, 180, 183, 186, 198, 204, 204, 210, 219, 222, 225, 234, 243, 246, 249, 258, 264, 264, 270 ]
[ "nonn" ]
A147790
[ 3, 4, 6, 9, 14, 21, 32, 48, 72, 108, 162, 243, 364, 546, 819, 1228, 1842, 2763, 4144, 6216, 9324, 13986, 20979, 31468, 47202, 70803, 106204, 159306, 238959, 358438, 537657, 806486, 1209729, 1814594, 2721891, 4082836, 6124254, 9186381, 13779572 ]
[ "nonn" ]
A160666
[ 0, 9, 15, 21, 25, 26, 27, 33, 34, 35, 39, 45, 49, 50, 51, 55, 56, 57, 63, 64, 65, 69, 75, 76, 77, 81, 85, 86, 87, 91, 92, 94, 95, 99, 105, 111, 115, 116, 118, 120, 122, 124, 125, 129, 133, 134, 135, 141, 142, 144, 146, 147, 153, 154, 155, 159, 160, 161, 165, 169, 170 ]
[ "nonn" ]
A223960
[ 120, 7470, 217144, 4500818, 85350934, 1629022329, 31770135236, 629825651180, 12620835427126, 254719515611821, 5165793380135728, 105110696722615860, 2143594088287821600, 43784293043682980000, 895295525455931000000 ]
[ "nonn" ]
A047646
[ 1, -21, 210, -1330, 5964, -19929, 50253, -91920, 97965, 51604, -526659, 1389297, -2280320, 2118690, 769065, -7613319, 17220042, -23999430, 18024405, 10748850, -63778953, 124134772, -152793270, 99072120, 71722224, -341062407, 610085721 ]
[ "sign" ]
A112904
[ 7, 770, 777, 77772, 777770, 7777770, 7777777, 777777776, 777777777, 77777777770, 777777777777, 7777777777776, 77477777777777, 777777777777770, 7777777777777770, 77777777777777780, 177777777777777800 ]
[ "base", "nonn" ]
A090001
[ 0, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 4, 1, 1, 2, 3, 1, 1, 1, 2, 2, 3, 4, 1, 1, 3, 1, 2, 2, 2, 3, 4, 1, 1, 1, 2, 1, 2, 2, 5, 2, 2, 3, 3, 4, 6, 1, 1, 1, 2, 3, 1, 1, 5, 2, 4, 2, 2, 2, 2, 3, 3, 4, 5, 1, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 6, 2, 3, 5, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 6, 2, 1, 3, 1, 2, 1, 2, 2, 2, 3, 5 ]
[ "nonn", "base" ]
A230811
[ 3, 3, 3, 1640293473202755800 ]
[ "nonn", "hard", "fini" ]
A032921
[ 1, 3, 15, 17, 43, 45, 211, 213, 239, 241, 603, 605, 631, 633, 2955, 2957, 2983, 2985, 3347, 3349, 3375, 3377, 8443, 8445, 8471, 8473, 8835, 8837, 8863, 8865, 41371, 41373, 41399, 41401, 41763, 41765, 41791, 41793, 46859, 46861 ]
[ "nonn", "base" ]
A085175
[ 0, 1, 2, 3, 4, 6, 5, 7, 8, 9, 14, 11, 16, 19, 10, 15, 12, 17, 21, 13, 20, 18, 22, 23, 37, 28, 42, 51, 25, 39, 30, 44, 56, 33, 53, 47, 60, 24, 38, 29, 43, 52, 26, 40, 31, 45, 58, 35, 54, 49, 63, 27, 41, 34, 48, 62, 32, 57, 46, 59, 36, 61, 55, 50, 64, 65, 107, 79, 121, 149 ]
[ "nonn" ]
A332373
[ 9, 43, 139, 327, 703, 1259, 2183, 3487, 5355, 7723, 11031, 15111, 20535, 26995, 34875, 44195, 55819, 69063, 85203, 103587, 124859, 148599, 176579, 207627, 243323, 282539, 326759, 375287, 430615, 490303, 557779, 631267, 712091, 798939, 894315, 996459, 1109691 ]
[ "nonn" ]
A182098
[ 334, 335, 338, 359, 369, 380, 408, 450, 461, 470, 475, 482, 485, 505, 511, 515, 516, 526, 527, 547, 548, 638, 665, 667, 668, 688, 707, 725, 744, 746, 765, 796, 804, 813, 816, 834, 876, 901, 964, 970, 997 ]
[ "nonn", "fini", "full", "base" ]
A168025
[ 1, 19, 151, 1621, 2731, 3631, 4129, 7789, 11719, 12601, 14461, 15439, 17491, 20809, 28309, 29671, 32491, 41719, 59659, 69829, 78541, 83089, 85411, 92569, 97501, 115771, 132679, 138571 ]
[ "easy", "nonn" ]
A190439
[ 1, 3, 6, 11, 14, 16, 19, 22, 24, 27, 32, 35, 37, 40, 45, 48, 50, 53, 56, 58, 61, 66, 69, 71, 74, 77, 79, 82, 84, 87, 90, 92, 95, 100, 103, 105, 108, 111, 113, 116, 121, 124, 126, 129, 134, 137, 139, 142, 145, 147, 150, 155, 158, 160, 163, 166, 168, 171, 173, 176, 179, 181, 184, 189, 192, 194, 197, 200, 202, 205, 210, 213, 215, 218 ]
[ "nonn" ]
A304983
[ 1, 1, 3, 14, 118, 2916, 819473 ]
[ "nonn", "more" ]
A005928
[ 1, -3, 0, 6, -3, 0, 0, -6, 0, 6, 0, 0, 6, -6, 0, 0, -3, 0, 0, -6, 0, 12, 0, 0, 0, -3, 0, 6, -6, 0, 0, -6, 0, 0, 0, 0, 6, -6, 0, 12, 0, 0, 0, -6, 0, 0, 0, 0, 6, -9, 0, 0, -6, 0, 0, 0, 0, 12, 0, 0, 0, -6, 0, 12, -3, 0, 0, -6, 0, 0, 0, 0, 0, -6, 0, 6, -6, 0, 0, -6, 0, 6, 0, 0, 12, 0, 0, 0, 0, 0, 0, -12, 0, 12, 0, 0, 0, -6, 0, 0 ]
[ "sign" ]
A379564
[ 0, 2, 5, 5, 12, 23, 23, 40, 42, 58, 71, 87, 108, 124, 144, 165, 191, 220, 252, 287, 321, 356, 398, 437, 483, 530, 581, 632, 686, 740, 797, 860, 926, 994, 1064, 1138, 1214, 1292, 1374, 1457, 1544, 1633, 1724, 1819, 1916, 2014, 2114, 2219, 2331, 2444, 2559, 2675, 2795, 2915, 3041, 3169 ]
[ "nonn" ]
A035254
[ -3, -1, 1, 2, 4, 5, 6, 8, 9, 10, 11, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 43, 44, 45, 46, 47, 48, 49, 50, 51, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 64 ]
[ "sign", "easy" ]
A147687
[ 1, 42, 126126, 783353872, 44776592395920, 3611684199828856300, 1.267664556730792e+24, 5.519519359015138e+29 ]
[ "nonn" ]
A028600
[ 1, 0, 0, 0, 8, 0, 0, 0, 24, 16, 0, 0, 32, 96, 0, 0, 24, 208, 96, 0, 48, 224, 384, 0, 96, 288, 576, 256, 64, 512, 768, 512, 32, 496, 1248, 768, 424, 480, 1152, 1536, 336, 864, 1344, 1280, 1376, 1184, 2304, 1536, 288 ]
[ "nonn" ]
A361078
[ 4, 16, 27, 64, 108, 432, 729, 1024, 2916, 3125, 4096, 6912, 12500, 16384, 19683, 27648, 46656, 50000, 84375, 110592, 186624, 314928, 337500, 746496, 800000, 823543, 1048576, 1259712, 2125764, 2278125, 3200000, 3294172, 4194304, 5038848, 5400000, 7077888, 8503056 ]
[ "nonn" ]
A381385
[ 1, 2, 6, 22, 64, -398, -14768, -288458, -4695168, -62117470, -385004032, 15463485398, 923640068096, 33487329741842, 957927747201024, 20185023268062070, 95909717192212480, -21197461265149560000, -1.6192100776003342e+21, -8.217038824055046e+22, -3.226620083793471e+24 ]
[ "sign" ]
A054558
[ 150, 960, 3605, 10360, 25200, 54600, 108570, 201960, 356070, 600600, 975975, 1536080, 2351440, 3512880, 5135700, 7364400, 10377990, 14395920, 19684665, 26565000, 35420000, 46703800, 60951150, 78787800, 100941750, 128255400 ]
[ "nonn", "easy" ]
A058379
[ 0, 1, 0, 3, 7, 90, 676, 9058, 117286, 1934068, 34354196, 698971944, 15520697072, 379690093016, 10064445063128, 288507479108384, 8875736500909216, 291965748820524000, 10221371162528668000, 379535362671828000000, 1.4896748155197456e+22 ]
[ "nonn", "easy", "nice" ]
A082680
[ 1, 1, 1, 1, 4, 1, 1, 10, 10, 1, 1, 20, 49, 20, 1, 1, 35, 168, 168, 35, 1, 1, 56, 462, 900, 462, 56, 1, 1, 84, 1092, 3630, 3630, 1092, 84, 1, 1, 120, 2310, 12012, 20449, 12012, 2310, 120, 1, 1, 165, 4488, 34320, 91091, 91091, 34320, 4488, 165, 1, 1, 220, 8151, 87516, 340340, 529984, 340340, 87516, 8151, 220, 1 ]
[ "nonn", "tabl", "easy" ]
A144465
[ 1, 4, 23, 121, 617, 3109, 15593, 78061, 390497, 1952869, 9765113, 48827101, 244138577, 1220699029, 6103507433, 30517561741, 152587857857, 762939387589, 3814697134553, 19073486065981, 95367431116337 ]
[ "nonn", "easy" ]
A388292
[ 1, 3, 4, 5, 7, 8, 10, 11, 13, 14, 15, 16, 17, 18, 20, 21, 23, 24, 25, 27, 28, 30, 31, 32, 33, 35, 36, 37, 38, 40, 41, 43, 44, 45, 47, 48, 49, 51, 52, 54, 55, 56, 58, 59, 60, 63, 64, 65, 66, 68, 69, 70, 71, 72, 73, 75, 77, 78, 79, 81, 82, 83 ]
[ "nonn", "easy" ]
A011949
[ 0, 0, 1, 2, 6, 12, 28, 56, 119, 240, 496, 990, 2016, 4032, 8121, 16256, 32640, 65268, 130816, 261630, 523747, 1047552, 2096128, 4192200, 8386554, 16773120, 33550216, 67100670, 134209536, 268418820, 536854528, 1073709056, 2147450383, 4294901760, 8589869022, 17179737120, 34359607296 ]
[ "nonn", "easy" ]
A145735
[ 1, 3, 4, 5, 6, 12, 13, 19, 29, 36 ]
[ "nonn", "base" ]
A025918
[ 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 2, 1, 1, 0, 0, 0, 1, 1, 2, 2, 2, 1, 1, 0, 1, 1, 2, 2, 3, 2, 2, 1, 2, 1, 2, 2, 3, 3, 3, 2, 3, 2, 3, 2, 3, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 4, 5, 4, 5, 4, 5, 4, 5, 4, 6, 5, 6, 5, 6, 5, 6, 5 ]
[ "nonn", "easy" ]
A193478
[ 1, 1, 5, 95, 9959, 6270119, 28519938719, 1045680030158399, 349874346597600900000, 1.1786356799949671e+27, 4.401368408618024e+34, 1.982671136945842e+43, 1.1669073168460956e+53 ]
[ "nonn" ]
A247659
[ 1, 3, 22, 292, 6120, 193594, 9070536, 622336756, 61915861962, 8846814822932, 1798543906246948, 515674104905890200, 206833212761446450000, 1.15198617558901e+23, 8.850397476930604e+25, 9.323305458716567e+28 ]
[ "nonn" ]
A280066
[ 3, 9, 39, 170, 790, 3729, 17468, 82769, 394904, 1890877, 9080800, 43650638, 210047292, 1011165147, 4869719373, 23456281889, 113000007399, 544411868911, 2623011742357, 12638188505237, 60894518951302, 293410920660702 ]
[ "nonn" ]
A055061
[ 1, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 15, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 15, 1, 99, 1, 1, 31, 21, 7, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 1, 17, 1, 3, 1, 1, 1, 19, 1, 1, 1, 1, 1, 3, 1, 1, 1, 63, 1, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 5, 3, 1, 1, 1, 1, 1, 1, 3, 3, 1, 1, 1, 1, 3, 5, 1, 1, 1, 1, 1, 91, 127, 7 ]
[ "nonn" ]
A076466
[ 1, 2, 4, 4, 8, 10, 13, 16, 23, 30, 38, 40, 41, 42, 54, 60, 69, 72, 87, 100, 116, 122, 129, 144, 163, 182, 202, 208, 213, 240, 263, 288, 312, 318, 321, 324, 352, 362, 373, 400, 431, 462, 494, 504, 513, 552, 587, 624, 660, 670, 677, 728, 767, 810, 850, 860, 865 ]
[ "nonn" ]
A328998
[ 17, 43, 71, 103, 313, 347, 569, 601, 661, 859, 883, 1289, 1381, 1489, 1699, 1789, 1873, 2143, 2347, 2381, 2383, 2393, 2593, 2687, 2711, 2731, 2753, 2837, 3011, 3121, 3169, 3257, 3259, 3463, 3559, 3583, 3671, 3769, 3919, 4057, 4159, 4219, 4423 ]
[ "nonn" ]