id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A357315
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 30, 32, 36, 42, 44, 48, 50, 52, 54, 56, 62, 64, 66, 70, 72, 78, 84, 90, 96, 126, 132, 140, 144, 150, 156, 168, 180, 198, 210, 216, 228, 240, 246, ...
[ "nonn" ]
A181137
[ 1, 3, 9, 27, 78, 228, 666, 1944, 5676, 16572, 48384, 141264, 412440, 1204176, 3515760, 10264752, 29969376, 87499776, 255467808, 745873920, 2177683008, 6358049472, 18563212800, 54197890560, 158238305664, 461998818048, 1348870028544, 3938214304512 ]
[ "nonn", "easy" ]
A031380
[ 7, 29, 53, 79, 107, 139, 173, 199, 239, 271, 311, 349, 383, 421, 457, 491, 541, 577, 613, 647, 683, 733, 769, 821, 857, 887, 941, 983, 1021, 1061, 1097, 1151, 1193, 1231, 1283, 1307, 1373, 1429, 1459, 1493, 1549, 1583, 1619, 1667,...
[ "nonn" ]
A221310
[ 1, 2, 3, 6, 30, 660, 810, 2130, 2550, 3330, 3390, 5850, 6270, 10530, 33180, 41610, 44130, 53550, 55440, 57330, 63840, 65100, 70380, 70980, 72270, 74100, 74760, 78780, 80670, 81930, 87540, 93240, 102300, 115470, 124770, 133980, 136950, 156420,...
[ "nonn" ]
A313879
[ 1, 5, 10, 16, 21, 26, 32, 38, 43, 48, 54, 59, 64, 69, 74, 80, 85, 90, 96, 102, 107, 112, 118, 123, 128, 133, 138, 144, 149, 154, 160, 166, 171, 176, 182, 187, 192, 197, 202, 208, 213, 218, 224, 230, 235, 240, 246, 251, 2...
[ "nonn" ]
A076373
[ 10, 44, 184, 752, 3796, 12224, 49024, 12580864, 60610624, 1091389696, 2936313088, 46672718384, 58082557696, 78857645056, 118480915456, 206158168064, 292776422368, 346109272672, 393960181792 ]
[ "nonn", "more" ]
A015182
[ 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, -1, 1, 0, -1, 1, 0, -1, 2, -1, -1, 2, -1, -1, 2, -1, -1, 2, -1, 0, 1, -1, 0, 1, -1, 1, 0, -1, 1, 0, -1, 2, -1, -1, 2, -1, -1, 2, -1, -1, 2, -1, 0, ...
[ "sign" ]
A311849
[ 1, 4, 8, 13, 17, 21, 26, 30, 34, 39, 43, 47, 50, 55, 60, 64, 69, 73, 76, 81, 86, 90, 95, 96, 102, 107, 110, 117, 121, 122, 128, 133, 136, 143, 143, 149, 154, 156, 164, 169, 169, 175, 180, 182, 190, 190, 197, 201, 202, ...
[ "nonn" ]
A320641
[ 1, 2, 3, 5, 9, 17, 67, 193, 1069, 2137, 4273, 34183, 205097, 990361, 11884331, 38294881, 76589761, 574396453, 10339136153, 36177024721, 72354049441, 144708098881 ]
[ "nonn", "more" ]
A185995
[ 1, 2, 32, 16384, 1073741824, 36028797018963970, 2.4758800785707605e+27, 1.393796574908164e+42, 2.5711008708143844e+61 ]
[ "nonn", "easy" ]
A091634
[ 4, 25, 153, 1010, 7122, 52313, 397866, 3103348, 24649318, 198536215, 1616808581, 13287264748, 110033428309, 917072930187 ]
[ "nonn", "base", "more" ]
A214951
[ 2, 5, 26, 110, 491, 2159, 9533, 42044, 185489, 818264, 3609770, 15924383, 70250033, 309906167, 1367143082, 6031116281, 26606113502, 117372181274, 517784341115, 2284192224491, 10076654901437, 44452902392372, 196102828810229, 865102555686356, 3816377542312814 ]
[ "nonn", "easy" ]
A370149
[ 1, 37, -1776, 114096, -9165936, 810646320, -76152738288, 7450371782832, -750608233752432, 77319392827405870, -8104270335592603000, 861419406835986100000, -9.262112879528288e+22, 1.0055062260891607e+25, -1.1005459447698384e+27, 1.2130608765706132e+29 ]
[ "sign" ]
A130128
[ 1, 2, 2, 3, 4, 4, 4, 6, 8, 8, 5, 8, 12, 16, 16, 6, 10, 16, 24, 32, 32, 7, 12, 20, 32, 48, 64, 64, 8, 14, 24, 40, 64, 96, 128, 128, 9, 16, 28, 48, 80, 128, 192, 256, 256, 10, 18, 32, 56, 96, 160, 256, 384, 512, ...
[ "nonn", "easy", "tabl", "walk" ]
A342148
[ 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 2, 1, 0, 1, 1, 2, 0, 1, 0, 1, 1, 2, 3, 2, 0, 0, 1, 1, 2, 3, 1, 2, 1, 0, 1, 1, 2, 3, 0, 0, 1, 1, 0, 1, 1, 2, 3, 5, 3, 1, 0, 0, 0, 1, 1, 2, 3, 5, 2, 3, 1, 1...
[ "nonn", "tabl" ]
A296782
[ 0, 1, 63, 6216 ]
[ "nonn", "more" ]
A374712
[ 1, 1, 3, 4, 11, 16, 30, 50, 115, 157, 338, 507, 1094, 1587, 3538, 4594, 11379, 14842, 33717, 44879, 108346, 129119, 328353, 401029, 990670, 1176391, 3021359, 3366733, 9202918, 10146579, 26569610, 29412429, 82152435, 83243894, 250231696, 288536609...
[ "nonn", "base" ]
A264954
[ 1, 0, 2, 0, 2, 6, 0, 2, 12, 24, 0, 2, 36, 504, 120, 0, 2, 114, 10728, 22320, 720, 0, 2, 420, 269352, 4857120, 1521360, 5040, 0, 2, 1584, 7340712, 1286876160, 4099655520, 140394240, 40320, 0, 2, 6228, 212706840, 378296480400, 139986664...
[ "nonn", "tabl" ]
A038463
[ 4095, 6143, 7167, 7679, 7935, 8063, 8127, 8159, 8175, 8183, 8187, 8189, 8190, 10239, 11263, 11775, 12031, 12159, 12223, 12255, 12271, 12279, 12283, 12285, 12286, 13311, 13823, 14079, 14207, 14271, 14303, 14319, 14327, 14331, 14333 ]
[ "nonn", "base", "easy" ]
A190123
[ 1, 1, 2, 7, 32, 177, 1184, 9175, 81280, 810081, 8967168, 109200551, 1450641408, 20876239633, 323542851584, 5372445971063, 95157141241856, 1790769169786049, 35682993123753984, 750523142329023900, 16616642326426026000, 386288476226459340000, 9.407703499451287e+21 ]
[ "nonn" ]
A149506
[ 1, 1, 5, 11, 47, 143, 599, 2025, 8577, 30813, 130227, 487643, 2080201, 7947799, 34171305, 133054913, 573451125, 2267413293, 9813947025, 39208267881, 170253111501, 686862364999, 2988364706025, 12153303057065, 52998289616957, 216930771161139, 947653513891821, 3902...
[ "nonn", "walk" ]
A109503
[ 0, 1, 4, 5, 11, 30, 60, 64, 869, 1685, 12109, 39684, 65460, 80064 ]
[ "nonn" ]
A381966
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 20, 23, 26, 29, 32, 35, 40, 45, 50, 55, 30, 34, 38, 42, 48, 55, 62, 60, 70, 84, 40, 45, 50, 57, 66, 65, 78, 97, 86, 111, 50, 56, 62, 73, 7...
[ "nonn", "base", "easy" ]
A225009
[ 29, 239, 1163, 4166, 12174, 30738, 69498, 144111, 278707, 508937, 885677, 1479452, 2385644, 3730548, 5678340, 8439021, 12277401, 17523187, 24582239, 33949058, 46220570, 62111270, 82469790, 108296955, 140765391, 181240749, 231304609 ]
[ "nonn" ]
A038476
[ 156, 656, 756, 776, 780, 3156, 3256, 3276, 3280, 3756, 3776, 3780, 3876, 3880, 3900, 15656, 15756, 15776, 15780, 16256, 16276, 16280, 16376, 16380, 16400, 18756, 18776, 18780, 18876, 18880, 18900, 19376, 19380, 19400, 19500, 78156, 78256, 782...
[ "nonn", "easy" ]
A285361
[ 0, 1, 11, 64, 282, 1071, 3729, 12310, 39296, 122773, 378279, 1154988, 3505542, 10598107, 31957661, 96200098, 289255020, 869075073, 2609845875, 7834779640, 23514823730, 70565441671, 211738266921, 635298685614, 1906063827672, 5718527025901, 17156252164799, 5147009...
[ "nonn", "easy" ]
A376938
[ 1, 1, 2, 2, 2, 2, 2, 4, 2, 2, 4, 8, 8, 8, 16, 16, 32, 32, 32, 128, 64, 128, 128, 128, 128, 256, 256, 256, 512, 512, 512, 1024, 512, 1024, 1024, 1024, 2048, 2048, 1024, 2048, 4096, 4096, 4096, 8192, 4096, 8192, 16384, 16384...
[ "nonn", "easy" ]
A239969
[ 2, 5, 1, 3, 20, 2, 4, 16, 3, 5, 31, 4, 6, 119, 5, 7, 16, 6, 8, 103, 7, 9, 2, 8, 10, 26, 9, 11, 464, 10, 12, 1, 11, 13, 313, 12, 5, 58, 13, 15, 37, 14, 3, 493, 15, 17, 31, 16, 18, 47, 17, 2, 79, 9, 20, 796, ...
[ "nonn" ]
A226910
[ 1, 1, 1, 1, 1, 2, 7, 22, 57, 127, 259, 529, 1189, 3004, 8009, 21073, 53233, 129813, 312733, 763573, 1915251, 4914736, 12720841, 32800186, 83869501, 213261712, 542609237, 1388542312, 3579043987, 9273567337, 24075321925, 62475528190, 161969731985, 4199...
[ "nonn", "easy" ]
A071569
[ 0, -1, 0, -2, 1, 0, -1, -3, 3, -2, 1, 1, -2, 3, -2, -6, 5, -5, 4, -2, 3, -2, 1, 3, -3, 4, -4, 6, -7, 6, -7, -9, 10, -9, 10, -10, 9, -8, 9, -5, 4, -5, 4, -2, 2, -1, 0, 8, -8, 8, -7, 9, -10, 10, -9, 13, -12...
[ "easy", "sign" ]
A328232
[ 2, 3, 5, 7, 9, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 161, 163, 167, 173, 179, 181, 191, 193, 197, 199, 209, 211,...
[ "nonn" ]
A198257
[ 1, 6, 94, 1700, 35466, 795312, 18848992, 464517468, 11801240050, 307073982116, 8147186436324, 219664321959524, 6003343077661216, 165975724832822400, 4634768975107569000, 130553813782898700000, 3.705740233107582e+21, 1.0590282996429024e+23 ]
[ "nonn", "changed" ]
A177219
[ 1, -1, -2, 1, -1, 2, 3, -1, -2, 1, 3, -2, 1, -3, -4, 1, -1, 2, 3, -1, 2, -3, -5, 2, 3, -1, -4, 3, -1, 4, 5, -1, -2, 1, 3, -2, 1, -3, -4, 1, 3, -2, -5, 3, -2, 5, 7, -2, 1, -3, -4, 1, -3, 4, 7, -3, -4, 1,...
[ "sign", "easy" ]
A274401
[ 0, 1, 8, 3, 16, 7, 32, 13, 48, 19, 80, 29, 96, 41, 144, 49, 176, 65, 224, 83, 256, 95, 336, 117, 368, 137, 464, 155, 512, 183, 576, 213, 640, 233, 768, 257, 816, 293, 960, 317, 1024, 357, 1120, 399, 1200, 423, 1376, 469, ...
[ "nonn", "easy" ]
A355514
[ 1, 3, 8, 13, 44, 75, 106, 243, 380, 517, 654, 791, 2510, 4229, 5948, 7667, 9386, 11105, 12824, 14543, 16262, 17981, 19700, 21419, 23138, 24857, 26576, 28295, 30014, 31733, 33452, 35171, 36890, 38609, 40328, 122703, 205078, 492531, 27869189,...
[ "nonn" ]
A094865
[ 0, 0, 0, 1, 8, 43, 196, 820, 3264, 12597, 47652, 177859, 657800, 2417416, 8844448, 32256553, 117378336, 426440955, 1547491404, 5610955132, 20332248992, 73645557469, 266668876540, 965384509651, 3494279574288, 12646311635088, 45764967830976, 165605867248465 ]
[ "nonn", "easy" ]
A022294
[ 4, 5, 7, 7, 10, 10, 10, 37, 37, 37, 37, 55, 55, 55, 55, 55, 55, 55, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, 15585, 15585, 15585, 15585, 15585, 15...
[ "nonn" ]
A290442
[ 1, 2, 8, 45, 294, 2142, 16764, 138567, 1194050, 10638056, 97383208, 911829646, 8702182020, 84418698600, 830606179680, 8274230277615, 83330214144930, 847407871749780, 8692682350690800, 89868901315880600, 935699342853054700, 9805180025713805000, 103353379063190300000, 1.0...
[ "nonn" ]
A014093
[ 1, 0, -1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, -1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 1, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 1, 0, -1, 0, ...
[ "sign", "easy" ]
A224494
[ 5, 2, 29, 41, 9, 2, 71, 30, 32, 6, 35, 11, 6, 50, 2, 20, 9, 120, 56, 21, 9, 75, 90, 51, 51, 29, 107, 9, 74, 155, 116, 11, 29, 86, 116, 35, 200, 12, 11, 39, 9, 105, 51, 422, 36, 65, 6, 32, 27, 44, 9, 41, 14, 116...
[ "nonn" ]
A275736
[ 0, 1, 2, 3, 0, 1, 4, 5, 6, 7, 4, 5, 0, 1, 2, 3, 0, 1, 0, 1, 2, 3, 0, 1, 8, 9, 10, 11, 8, 9, 12, 13, 14, 15, 12, 13, 8, 9, 10, 11, 8, 9, 8, 9, 10, 11, 8, 9, 0, 1, 2, 3, 0, 1, 4, 5, 6, 7, 4, 5, 0, ...
[ "nonn", "base" ]
A133549
[ 81, 706, 3107, 17748, 46309, 129830, 260151, 539992, 1247273, 2170794, 4044955, 6870716, 10289517, 15169198, 23059679, 35177040, 49022881, 69174002, 94585683, 122983924, 161934005, 209392326, 272134567, 360663848, 464724249, 577275130 ]
[ "nonn", "easy" ]
A172819
[ 1, 3139, 19546975, 171475190227, 1511084106275011, 15293664515956440000, 1.7105703241232456e+23, 2.0579065118490203e+27, 2.6159597034338176e+31, 3.476335058916237e+35 ]
[ "nonn" ]
A029705
[ 401, 439, 499, 727, 817, 982, 1093, 1126, 1327, 1393, 1429, 1486, 1641, 1766, 1897, 2027, 2081, 2153, 2399, 2878, 3121, 3134, 3181, 3238, 3251, 3253, 3814, 3967, 3997, 4271, 4353, 4357, 4358, 4441, 4591, 4622, 4757, 4889, 5107, 5241, 52...
[ "nonn" ]
A085855
[ 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 2, 0, 1, 3, 0, 0, 0, 2, 2, 3, 1, 0, 1, 1, 0, 0, 0, 1, 2, 1, 0, 2, 3, 1, 0, 1, 3, 3, 2, 0, 0, 1, 2, 1, 3, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1...
[ "base", "nonn" ]
A083523
[ 1, 2, 8, 8, 144, 46368, 4807526976, 51680708854858330000, 5.972304273877745e+39, 7.975700805764462e+79 ]
[ "nonn" ]
A084485
[ 1, 12, 90, 522, 2595, 11673, 49014, 195828, 753813, 2819475, 10308144, 36998118, 130786695, 456452493, 1575799290, 5389290792, 18281487081, 61569776727, 206040460212, 685584843450, 2269566343611, 7478425876977, 24538396875870, 80206515476892, 261239771497725 ]
[ "nonn", "easy" ]
A195991
[ 8, 9, 72, 27, 9, 45, 13, 77, 48, 351, 96, 33, 117, 24, 207, 425, 216, 95, 136, 704, 345, 72, 555, 99, 741, 205, 105, 792, 203, 693, 144, 209, 272, 65, 551, 55, 496, 561, 440, 297, 64, 416, 760, 585, 360, 112, 119, 161, 2...
[ "nonn" ]
A052135
[ 1, 18, 1080, 408240, 29393280, 215550720, 648499737600, 953294614272000, 2333665215737856000, 7.183021534041121e+21, 2.3206684956132852e+23, 7.230958751436721e+26, 7.418963678974076e+31 ]
[ "nonn", "frac", "easy", "nice" ]
A189305
[ 2, 14, 73, 400, 2177, 11854, 64554, 351521, 1914208, 10423761, 56762346, 309097942, 1683185225, 9165743600, 49911830577, 271793641686, 1480045568402, 8059551617921, 43888089440192, 238991507967969, 1301422358761490 ]
[ "nonn" ]
A109534
[ 1, 2, 4, 5, 9, 6, 12, 9, 17, 10, 20, 13, 25, 14, 28, 17, 33, 18, 36, 21, 41, 22, 44, 25, 49, 26, 52, 29, 57, 30, 60, 33, 65, 34, 68, 37, 73, 38, 76, 41, 81, 42, 84, 45, 89, 46, 92, 49, 97, 50, 100, 53, 105, 54,...
[ "nonn" ]
A213693
[ 56, 5470, 2322599, 4286833981, 34389632236877, 1199143411128185600, 1.817442714063729e+23, 1.1972859380403916e+29 ]
[ "nonn" ]
A200584
[ 2, 1, 8, 3, 6, 5, 7, 8, 0, 2, 7, 1, 6, 2, 3, 8, 6, 5, 1, 6, 7, 8, 7, 8, 8, 2, 4, 5, 4, 8, 0, 9, 0, 3, 6, 6, 5, 8, 9, 1, 2, 2, 3, 1, 5, 2, 8, 1, 4, 4, 7, 3, 4, 1, 9, 6, 9, 7, 7, 8, 0, 8, 7, 3...
[ "nonn", "cons" ]
A173477
[ 10, 15, 25, 26, 35, 38, 39, 58, 65, 82, 85, 87, 91, 94, 118, 119, 121, 123, 133, 134, 142, 143, 155, 166, 183, 185, 201, 202, 209, 213, 217, 226, 237, 253, 267, 274, 278, 287, 295, 298, 299, 301, 303, 305, 314, 319, 321, 3...
[ "nonn", "easy" ]
A261216
[ 0, 1, 1, 2, 0, 2, 3, 5, 3, 3, 4, 4, 0, 2, 4, 5, 3, 1, 4, 5, 5, 6, 2, 5, 5, 3, 4, 6, 7, 7, 4, 1, 2, 1, 7, 7, 8, 6, 14, 0, 0, 0, 8, 6, 8, 9, 11, 15, 15, 1, 2, 9, 11, 9, 9, 10, 10, 12, 14, 22, 3, 1...
[ "nonn", "tabl" ]
A185308
[ 0, 0, 1, 2, 7, 18, 61, 188, 677, 2370, 9141, 35212, 144905, 602662, 2631333, 11671264, 53772593, 252184082, 1220090757, 6011588316, 30413403457, 156656758094, 825751634149, 4428857070312, 24246896289889, 134968323047690, 765387626584805, 4409532348872436 ]
[ "nonn" ]
A272866
[ 1, 1, 3, 1, 1, 6, 11, 6, 1, 1, 9, 30, 45, 30, 9, 1, 1, 12, 58, 144, 195, 144, 58, 12, 1, 1, 15, 95, 330, 685, 873, 685, 330, 95, 15, 1, 1, 18, 141, 630, 1770, 3258, 3989, 3258, 1770, 630, 141, 18, 1, 1, 21, 196, ...
[ "nonn", "tabf" ]
A141751
[ 1, 1, 1, 2, 2, 1, 5, 5, 3, 1, 13, 13, 8, 4, 1, 34, 34, 21, 11, 5, 1, 89, 89, 55, 29, 14, 6, 1, 233, 233, 144, 76, 37, 17, 7, 1, 610, 610, 377, 199, 97, 45, 20, 8, 1, 1597, 1597, 987, 521, 254, 118, 53, 23, 9, ...
[ "nonn", "tabl" ]
A253710
[ 1, 1026, 61100, 1169750, 12044025, 83384476, 437200176, 1864757700, 6779099625, 21693441550, 62545208076, 165314338826, 405941961425, 935824239000, 2042356907200, 4248401203176, 8470439399601, 16262944822650, 30186516503500, 54350088184350, 95193540843401, 162596916293876, ...
[ "nonn", "easy" ]
A368884
[ 1, 1, 1, 4, 1, 1, 1, 1, 9, 1, 1, 4, 1, 1, 1, 1, 1, 9, 1, 4, 1, 1, 1, 1, 25, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 36, 1, 1, 1, 1, 1, 1, 1, 4, 9, 1, 1, 1, 49, 25, 1, 4, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 9,...
[ "nonn", "easy", "mult" ]
A168378
[ 3, 11, 11, 19, 19, 27, 27, 35, 35, 43, 43, 51, 51, 59, 59, 67, 67, 75, 75, 83, 83, 91, 91, 99, 99, 107, 107, 115, 115, 123, 123, 131, 131, 139, 139, 147, 147, 155, 155, 163, 163, 171, 171, 179, 179, 187, 187, 195, 195, ...
[ "nonn", "easy" ]
A057373
[ 9, 18, 45, 90, 117, 306, 522, 585, 801, 1305, 2097, 3042, 3978, 5490, 8730, 14373, 17730, 19485, 22698, 27234, 37629, 44109, 98514, 103338, 113013, 130365, 155025, 186633, 257913, 290970, 405450, 602298, 675225, 884637, 1279170, 1498185, 176776...
[ "nonn" ]
A062397
[ 2, 11, 101, 1001, 10001, 100001, 1000001, 10000001, 100000001, 1000000001, 10000000001, 100000000001, 1000000000001, 10000000000001, 100000000000001, 1000000000000001, 10000000000000000, 100000000000000000 ]
[ "easy", "nonn" ]
A291772
[ 4, 12, 61, 316, 1304, 5223, 21557, 90404, 377863, 1572942, 6545785, 27262279, 113572619, 473082153, 1970443556, 8207168564, 34184621296, 142386794787, 593071821262, 2470268797246, 10289192009129, 42856677944829, 178507203892808, 743520516941183 ]
[ "nonn" ]
A010515
[ 7, 8, 7, 4, 0, 0, 7, 8, 7, 4, 0, 1, 1, 8, 1, 1, 0, 1, 9, 6, 8, 5, 0, 3, 4, 4, 4, 8, 8, 1, 2, 0, 0, 7, 8, 6, 3, 6, 8, 1, 0, 8, 6, 1, 2, 2, 0, 2, 0, 8, 5, 3, 7, 9, 4, 5, 9, 8, 8, 4, 2, 5, 5, 0...
[ "nonn", "cons" ]
A195438
[ 141494, 143413, 144113, 144417, 144453, 144533, 144544, 144744, 148334, 150908, 150918, 151153, 151157, 151688, 151767, 151787, 151898, 154144, 155113, 155133, 155138, 155158, 155577, 155707, 155757, 155788, 155813, 157157, 157557, 157753, 157813, 158113...
[ "nonn", "base", "fini", "full" ]
A095139
[ 1, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 1, 2, 2, 2, 2, 1, 2, 3, 1, 2, 2, 3, 1, 2, 3, 2, 2, 1, 2, 2, 2, 6, 2, 1, 3, 4, 5, 2, 5, 3, 2, 3, 3, 3, 3, 2, 4, 3, 4, 5, 6, 1, 3, 2, 4, 2, 2, 4...
[ "nonn" ]
A203571
[ 0, 1, 2, 3, 4, 0, 4, 3, 2, 1, 0, 1, 2, 3, 4, 0, 4, 3, 2, 1, 0, 1, 2, 3, 4, 0, 4, 3, 2, 1, 0, 1, 2, 3, 4, 0, 4, 3, 2, 1, 0, 1, 2, 3, 4, 0, 4, 3, 2, 1, 0, 1, 2, 3, 4, 0, 4, 3, 2, 1, 0, 1, 2, 3...
[ "nonn", "easy" ]
A112888
[ 9, 33, 91, 299, 213, 1383, 3091, 8129 ]
[ "nonn", "fini", "full" ]
A199946
[ 2, 302, 3042, 16114, 55540, 152586, 351148, 721324, 1351980, 2366612, 3910366, 6183420, 9398302, 13840734, 19819666, 27715966, 37936024, 50997474, 67408004, 87815888, 112883696, 143392012, 180139662, 224110176, 276233778, 337668358 ]
[ "nonn" ]
A388207
[ 1, 21, 289, 3333, 35073, 350005, 3379489, 31933221, 297326337, 2739788117, 25057889313, 227913373253, 2064391824897, 18639827016309, 167893750058529, 1509403565177445, 13549789700813312, 121493423266590350, 1088358864961303300, 9742576323085180000, 87161303214793790000 ]
[ "nonn" ]
A059019
[ 1, 1, 2, 4, 9, 22, 58, 163, 483, 1494, 4783, 15740, 52956, 181391, 630533, 2218761, 7888266, 28291588, 102237141, 371884771, 1360527143, 5002837936, 18479695171, 68539149518, 255137783916, 952914971191, 3569834343547, 13410481705795, 50506214531252, 19066139...
[ "nonn", "changed" ]
A057878
[ 23, 37, 53, 73, 113, 131, 151, 211, 311, 11111111111111110000, 11111111111111117000, 11111111111131111000, 11111111131111110000, 1.1111111111111111e+23, 1.1111111111111111e+23, 1.1111111111111113e+23, 1.1111111111211112e+23, 1.111111151111111e+23 ]
[ "nonn", "base" ]
A165348
[ 1, 20, 380, 7220, 137180, 2606420, 49521980, 940917620, 17877434780, 339671260630, 6453753948360, 122621324950440, 2329805172758760, 44266298257724040, 841059666427601200, 15980133653210466000 ]
[ "nonn" ]
A061482
[ 1, 2, 3, 11, 127, 16195, 262286407, 68794159432716136, 4.732636372053967e+33, 2.2397847030088134e+67 ]
[ "nonn", "easy" ]
A149840
[ 1, 2, 4, 12, 36, 105, 359, 1234, 4179, 15184, 55991, 204578, 771394, 2964054, 11327531, 43884270, 172977384, 680790080, 2693644347, 10800095655, 43381674853, 174545003823, 708672027933, 2888280123869, 11778061217176, 48301653756423, 198967324198300, 820165234102...
[ "nonn", "walk" ]
A348273
[ 1, 4, 12, 16, 36, 48, 144, 720, 3600, 25200, 176400, 226800, 1587600, 1940400, 2494800, 17463600, 32432400, 192099600, 227026800, 2497294800, 3632428800, 32464832400, 39956716800 ]
[ "nonn", "more" ]
A301448
[ 32, 1490, 34976, 877044, 22207589, 564002959, 14319674594, 363595763125, 9231743942243, 234399915906671, 5951543846998622, 151113108480960500, 3836847205649231400, 97419726227859000000, 2.473542056644931e+21 ]
[ "nonn" ]
A357647
[ 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 2, 0, 0, 7, 7, 0, 0, 22, 24, 0, 0, 71, 82, 0, 0, 239, 280, 0, 0, 817, 970, 0, 0, 2841, 3403, 0, 0, 10027, 12064, 0, 0, 35800, 43193, 0, 0, 129007, 156011, 0, 0, 468541, 567664,...
[ "nonn" ]
A115183
[ 1, 0, -1, -1, -1, 1, 269, 157, 3277817, -49397, -10365557, -847243693, -328990404361, 2359554667, 13521593667734880, 3119353059383129, 10406829533213820, -22913020177568300000, -1.190728098581645e+24, -577358636244139700000 ]
[ "sign", "frac" ]
A349836
[ 1, 1, 5, 44, 564, 9665, 211025, 5686104, 184813048, 7118824417, 320295658577, 16626717667348, 985178854556524, 66005199079345020, 4958773228726876000, 414664315430994700000, 3.834425960788922e+22, 3.8981126168393105e+24 ]
[ "nonn" ]
A161144
[ 1, 6, 36, 66, 216, 396, 666, 1296, 2376, 3996, 4356, 6666, 7776, 14256, 23976, 26136, 39996, 43956, 46656, 66666, 85536, 143856, 156816, 239976, 263736, 279936, 287496, 399996, 439956, 443556, 513216, 666666, 863136, 940896, 1439856, 1582416, 1...
[ "nonn", "base" ]
A167204
[ 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 2, 4, 1, 1, 1, 2, 1, 3, 2, 4, 1, 5, 3, 6, 2, 7, 4, 8, 1, 1, 1, 2, 1, 3, 2, 4, 1, 5, 3, 6, 2, 7, 4, 8, 1, 9, 5, 10, 3, 11, 6, 12, 2, 13, 7, 14, 4, 15, 8, 16, ...
[ "easy", "nonn", "tabf" ]
A378704
[ 2, 3, 7, 4, 11, 16, 5, 15, 31, 35, 6, 19, 43, 73, 70, 7, 23, 55, 111, 168, 136, 8, 27, 67, 143, 261, 370, 256, 9, 31, 79, 175, 351, 602, 790, 473, 10, 35, 91, 207, 431, 816, 1350, 1658, 860, 11, 39, 103, 239, 511, 10...
[ "nonn", "tabl" ]
A357712
[ 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 2, 3, 0, 1, 0, 3, 6, 12, 0, 1, 0, 4, 9, 26, 60, 0, 1, 0, 5, 12, 42, 140, 360, 0, 1, 0, 6, 15, 60, 240, 896, 2520, 0, 1, 0, 7, 18, 80, 360, 1614, 6636, 20160, 0, 1, 0, ...
[ "nonn", "tabl" ]
A146431
[ 1, 1, 3, 1, 3, 1, 9, 3, 31, 9, 301, 19, 1647, 53, 11872, 531, 136892, 5709, 3186390, 48307, 72335276, 490649, 1826857009, 11283333, 67665636761, 359196547, 4149252095689, 11541091447, 314296409403995, 440660012263 ]
[ "nonn" ]
A322356
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1...
[ "nonn" ]
A308009
[ 1, 1, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0...
[ "nonn" ]
A373643
[ 0, 0, 0, 0, 1, 0, 1, 1, 2, 0, 1, 1, 0, 2, 3, 2, 1, 1, 1, 1, 2, 1, 2, 3, 3, 0, 1, 1, 1, 5, 0, 3, 0, 4, 1, 3, 2, 1, 3, 2, 1, 3, 1, 1, 1, 4, 3, 2, 1, 1, 2, 1, 5, 1, 2, 2, 1, 3, 2, 0, 3, 6, 1, 1...
[ "nonn", "easy" ]
A211226
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 3, 3, 6, 3, 3, 1, 1, 1, 3, 3, 3, 3, 1, 1, 1, 4, 4, 12, 6, 12, 4, 4, 1, 1, 1, 4, 4, 6, 6, 4, 4, 1, 1, 1, 5, 5, 20, 10, 30, 10, ...
[ "nonn", "easy", "tabl" ]
A328070
[ 3, 5, 10, 8, 17, 16, 20, 26, 32, 28, 39, 34, 48, 40, 54, 60, 51, 58, 70, 67, 71, 72, 69, 80, 87, 82, 108, 101, 86, 95, 106, 103, 111, 112, 122, 107, 126, 130, 139, 140, 131, 144, 149, 154, 158, 165, 174, 169, 160, 179,...
[ "nonn" ]
A256432
[ 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...
[ "nonn" ]
A103127
[ 1, 3, 5, 15, 17, 19, 21, 31, 33, 35, 37, 47, 49, 51, 53, 63, 65, 67, 69, 79, 81, 83, 85, 95, 97, 99, 101, 111, 113, 115, 117, 127, 129, 131, 133, 143, 145, 147, 149, 159, 161, 163, 165, 175, 177, 179, 181, 191, 193, 19...
[ "nonn", "easy" ]
A182018
[ 1, 5, 29, 219, 2011, 20911, 235543, 2801821, 34667941, 441977129, 5768828529, 76743400197, 1037119411309, 14202556969109, 196703352545189, 2751033268619879, 38804220883714920, 551466071408325300, 7889476725800451000, 113542652361590440000 ]
[ "nonn" ]
A014190
[ 0, 1, 2, 4, 8, 10, 13, 16, 20, 23, 26, 28, 40, 52, 56, 68, 80, 82, 91, 100, 112, 121, 130, 142, 151, 160, 164, 173, 182, 194, 203, 212, 224, 233, 242, 244, 280, 316, 328, 364, 400, 412, 448, 484, 488, 524, 560, 572, 608,...
[ "nonn", "base", "easy" ]
A087352
[ 1, 9, 49, 81, 441, 729, 15129, 33489, 35721, 127449, 184041, 288369, 505521, 594441, 1046529, 4004001, 4941729, 8415801, 14130081, 19474569, 20820969, 21427641, 25070049, 31236921, 33419961, 37197801, 57471561, 58201641, 58844241 ]
[ "base", "nonn" ]
A233640
[ 1188, 17424, 238570, 3455622, 48384788, 694104494, 9797170648, 139850230232, 1981047775126, 28211321138046, 400295030224510, 5694020692500340, 80856821916191920, 1149540686881994900, 16329861923887100000 ]
[ "nonn" ]
A113105
[ 1, 2, 33, 2704, 1082905, 2156566656, 21543117605345, 1081795451307347500, 2.7301950024234845e+23, 3.460654919364385e+29, 2.2016456041392936e+36 ]
[ "nonn" ]
A376733
[ 0, 1, 2, 4, 5, 3, 10, 8, 9, 11, 18, 6, 20, 21, 7, 19, 22, 36, 16, 40, 41, 17, 37, 23, 14, 12, 13, 15, 42, 82, 38, 44, 32, 72, 73, 33, 45, 39, 83, 43, 74, 34, 46, 80, 81, 47, 35, 75, 26, 30, 28, 24, 25, 29, 31...
[ "nonn", "base" ]
A329710
[ 20, 290, 2215, 7405, 21150, 43490, 88230, 151135, 250825, 384360, 578840, 814180, 1151525, 1550530, 2063225, 2676925, 3452460, 4333340, 5436210, 6668320, 8154980, 9837690, 11822175, 13993360, 16569650, 19401865, 22636495, 26182350, 30253225, 34608450, 3962...
[ "nonn" ]