id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A364688
[ 0, 0, 0, 6, 696, 6720, 39840, 184800, 736512, 2644992, 8801280, 27624960, 82790400, 238977024, 668688384, 1822679040, 4858183680, 12700876800, 32647938048, 82682707968, 206650736640, 510425825280, 1247438438400, 3019527684096, 7245593051136, 17248655769600 ]
[ "nonn" ]
A262919
[ 10, 27, 318, 1411, 18190, 121507, 1444558, 12031011, 132033870, 1214394787, 12726094798, 122360994211, 1252258147150, 12289486776867, 124300598233038, 1231754978783011, 12386462076574030, 123317516595907740 ]
[ "nonn" ]
A275862
[ 1, 1, 2, 4, 9, 19, 41, 89, 194, 424, 927, 2026, 4429, 9682, 21166, 46272, 101157, 221143, 483449, 1056887, 2310503, 5051084, 11042380, 24140196, 52773864, 115371090, 252217431, 551382781, 1205400317, 2635174646, 5760862444, 12594055635, 27532377118 ]
[ "nonn", "easy" ]
A263519
[ 3, 7, 8, 15, 35, 23, 29, 160, 208, 66, 53, 660, 2076, 1198, 190, 93, 2651, 18369, 25968, 7022, 547, 159, 10350, 158109, 489294, 331130, 41035, 1575, 267, 39807, 1317780, 9051857, 13332096, 4213002, 240237, 4535, 443, 151463, 10791350, 162...
[ "nonn", "tabl" ]
A130403
[ 0, 1, 0, 2, 1, 0, 3, 3, 1, 0, 4, 2, 2, 1, 0, 5, 7, 3, 2, 1, 0, 6, 8, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 8, 4, 7, 5, 4, 3, 2, 1, 0, 9, 5, 6, 6, 5, 4, 3, 2, 1, 0, 10, 17, 8, 8, 8, 5, 4, 3, ...
[ "nonn", "tabl" ]
A131620
[ 1, 0, 8, 27, 55, 240, 701, 1909, 5753, 15747, 41138, 104762, 252664, 580609, 1274691, 2665295, 5315469, 10113564, 18353698, 31781680, 52486460, 82606895, 123821091, 176518711, 238906435, 306378988, 371328696, 423932616 ]
[ "nonn", "fini", "full" ]
A328881
[ 1, 0, 1, 0, 2, 3, 8, 14, 29, 56, 114, 227, 456, 910, 1821, 3640, 7282, 14563, 29128, 58254, 116509, 233016, 466034, 932067, 1864136, 3728270, 7456541, 14913080, 29826162, 59652323, 119304648, 238609294, 477218589, 954437176, 1908874354, 381774870...
[ "nonn", "easy" ]
A058324
[ 709, 167449, 1128889, 3042161, 4535189, 7474967, 14161729, 19734581, 23391799, 29499439, 38790341, 56011909, 59053067, 68425619, 87019979, 101146501, 113256643, 119535373, 127065427, 138034009, 185350441, 196100297, 207460717, 233784751, 241568891, 280256489 ]
[ "nonn" ]
A355169
[ 2, 14, 18, 22, 31, 41, 46, 82, 117, 132, 172, 189, 243, 252, 262, 281, 291, 301, 311, 332, 353, 374, 385, 396, 407, 441, 464, 560, 585, 610, 623, 636, 649, 662, 675, 688, 715, 742, 769, 783, 797, 825, 839, 853, 896, 925, 940...
[ "nonn", "easy" ]
A191859
[ 2, 3, 23, 347, 349, 311, 391627, 3471331, 384067, 2310175897, 239111323273399, 23167, 3784097136227, 235983149249, 3428116271, 37111677121283, 23293, 3471949133311, 231314228398154370, 378112153101159360, 2379127163381 ]
[ "nonn", "base" ]
A245177
[ 5, 13, 19, 23, 29, 31, 43, 53, 59, 61, 67, 73, 79, 83, 89, 97, 103, 131, 137, 151, 157, 163, 173, 179, 181, 191, 197, 199, 211, 229, 233, 239, 241, 281, 293, 307, 317, 347, 359, 367, 373, 379, 389, 397, 409, 419, 421, 431,...
[ "nonn" ]
A375289
[ 1, 1, 1, 0, -5, -14, -26, -29, 5, 119, 348, 639, 708, -128, -2943, -8571, -15707, -17340, 3347, 72718, 211126, 386091, 424633, -87173, -1796760, -5200513, -9490312, -10398336, 2263553, 44394265, 128099033, 233273880, 254623403, -58615334, -10968634...
[ "sign" ]
A164863
[ 1, 1, 2, 5, 15, 52, 203, 877, 4140, 21147, 115974, 678514, 4211825, 27602602, 190077045, 1368705291, 10254521370, 79527284317, 635182667816, 5199414528808, 43426867585575, 368654643520692, 3170300933550687, 27542984610086664, 241205285284001250 ]
[ "easy", "nonn" ]
A288496
[ 1, 1, 2, 2, 5, 6, 8, 11, 21, 22, 40, 43, 85, 102, 152, 163, 349, 350, 672, 675, 1373, 1346, 2740, 2779, 5413, 5466, 10924, 11059, 21709, 25406, 40128, 41791, 89159, 86520, 175619, 174589, 349950, 352512, 696059, 714901, 1390446, 14257...
[ "nonn", "easy" ]
A000494
[ 0, 1, 1, 0, -1, -1, 0, 1, 1, 0, -1, -1, -1, 0, 1, 1, 0, -1, -1, 0, 1, 1, 0, -1, -1, 0, 1, 1, 0, -1, -1, 0, 1, 1, 1, 0, -1, -1, 0, 1, 1, 0, -1, -1, 0, 1, 1, 0, -1, -1, 0, 1, 1, 0, -1, -1, -1, 0, 1, 1...
[ "sign", "easy", "nice" ]
A037055
[ 2, 13, 11, 1117, 10111, 101111, 1111151, 11110111, 101111111, 1111111121, 11111111113, 101111111111, 1111111118111, 11111111111411, 111111111116111, 1111111111111181, 11111111101111112, 101111111111111100, 1111111111111111200, 1111111111111111200, 111111111111111110000 ]
[ "nonn", "base" ]
A119197
[ 2, 3, 8, 11, 36, 816, 4211, 13163, 409483, 1128391, 2583163, 87935963, 356051588, 35683017483, 87964636836, 11566016486836, 36978011484891 ]
[ "nonn", "base", "more" ]
A326932
[ 2, 4, 36, 1536, 22500000, 263303591362560, 2.085142480262357e+31, 5.043719204297676e+62 ]
[ "nonn" ]
A097674
[ 9, 0, 7, 2, 4, 5, 8, 1, 7, 8, 8, 2, 1, 6, 4, 6, 0, 7, 5, 3, 8, 7, 9, 4, 5, 2, 4, 7, 9, 2, 0, 8, 1, 2, 1, 3, 7, 8, 7, 7, 7, 5, 2, 5, 4, 2, 3, 5, 8, 7, 4, 9, 5, 9, 0, 6, 8, 7, 1, 8, 5, 3, 7, 9...
[ "cons", "nonn" ]
A318935
[ 1, 9, 1, 73, 1, 9, 1, 585, 1, 9, 1, 73, 1, 9, 1, 4681, 1, 9, 1, 73, 1, 9, 1, 585, 1, 9, 1, 73, 1, 9, 1, 37449, 1, 9, 1, 73, 1, 9, 1, 585, 1, 9, 1, 73, 1, 9, 1, 4681, 1, 9, 1, 73, 1, 9, 1, 585, 1, 9, 1...
[ "nonn", "easy", "mult" ]
A053565
[ -2, -1, 4, 20, 64, 176, 448, 1088, 2560, 5888, 13312, 29696, 65536, 143360, 311296, 671744, 1441792, 3080192, 6553600, 13893632, 29360128, 61865984, 130023424, 272629760, 570425344, 1191182336, 2483027968, 5167382528, 10737418240 ]
[ "sign", "easy" ]
A062893
[ 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 2, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 3, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 2, 0, 1...
[ "base", "nonn", "easy" ]
A006236
[ 1, 4, 75, 3456, 300125, 42467328, 8931928887, 2621440000000, 1025271882697689, 515978035200000000, 325063112540091840000, 2.5073840155891024e+23, 2.3252624803892026e+26, 2.553266826475586e+29, 3.2769609567097625e+32, 4.861466906619286e+35 ]
[ "nonn" ]
A290664
[ 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100100000, 1001000000, 10010000000, 100100000000, 1001000000000, 10010000000000, 100000000000000, 1000000000000000, 10000111000000000, 100001110000000000, 1000001100000000000, 10000011000000000000 ]
[ "nonn", "easy" ]
A049760
[ 0, 0, 1, 1, 3, 1, 8, 10, 11, 12, 13, 13, 31, 37, 31, 41, 42, 47, 58, 60, 82, 86, 95, 76, 125, 123, 140, 103, 115, 134, 188, 229, 235, 213, 186, 239, 264, 283, 244, 243, 263, 342, 369, 430, 387, 407, 473, 413, 446, 489,...
[ "nonn", "easy" ]
A103999
[ 1, 1, 1, 1, 6, 1, 1, 16, 34, 1, 1, 54, 196, 198, 1, 1, 196, 1666, 2704, 1154, 1, 1, 726, 16384, 64152, 37636, 6726, 1, 1, 2704, 171394, 1844164, 2549186, 524176, 39202, 1, 1, 10086, 1844164, 57523158, 220581904, 101757654, 7300804, ...
[ "nonn", "tabl" ]
A000714
[ 1, 3, 9, 21, 47, 95, 186, 344, 620, 1078, 1835, 3045, 4967, 7947, 12534, 19470, 29879, 45285, 67924, 100820, 148301, 216199, 312690, 448738, 639464, 905024, 1272837, 1779237, 2473065, 3418655, 4701611, 6434015, 8763676 ]
[ "nonn" ]
A176502
[ 1, 3, 7, 17, 37, 99, 243, 633, 1673, 4425, 11515, 30471, 80055, 210157, 553253, 1454817, 3821369, 10040187, 26360759, 69201479, 181628861, 476576959, 1250223373, 3279352967, 8600367843, 22551873573, 59128994931, 155014246263, 406350098913, 1065104999651 ]
[ "nonn" ]
A385165
[ 8, 48, 30, 180, 528, 96, 1848, 2208, 1740, 1496, 360, 1560, 2296, 10608, 11448, 5376, 4290, 1932, 11400, 8856, 27888, 16020, 1216, 3300, 3710, 49728, 51528, 14280, 3150, 69168, 7344, 80088, 8568, 48360, 13695, 40136, 6444, 44896, 7980, 14...
[ "nonn", "easy" ]
A021914
[ 1, 23, 355, 4635, 55371, 627243, 6866155, 73433195, 772592491, 8032358763, 82776456555, 847393109355, 8630981813611, 87566313375083, 885715453576555, 8937574526027115, 90019110908986740, 905338057186084200 ]
[ "nonn", "easy" ]
A065075
[ 1, 1, 2, 4, 8, 7, 5, 10, 11, 13, 8, 7, 14, 10, 2, 4, 8, 7, 5, 10, 11, 13, 8, 16, 14, 19, 11, 13, 8, 7, 14, 10, 11, 13, 8, 7, 5, 10, 11, 13, 17, 16, 14, 10, 11, 13, 8, 16, 14, 19, 20, 13, 8, 16, 14, 19, 20...
[ "nonn", "base", "easy", "look" ]
A229989
[ 0, 2, 2, 3, 4, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 6, 7, 7, 7, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 14, 14, 14, 14, 14...
[ "nonn", "easy" ]
A093732
[ 1, 211, 14221, 636331, 23679901, 805351531, 26175881341, 831358677451, 26094426008221, 814105545191851, 25320182311228860, 786251347986777000, 24394981288950305000, 756583120577782500000, 2.345949161709246e+22, 7.273308259186039e+23 ]
[ "nonn", "easy" ]
A146053
[ 1, 1, 1, 5, 29, 139, 901, 5485, 74291, 1056181, 24810777, 651071773, 25748617719, 1169149922235, 81072042123257, 6590052771959131 ]
[ "nonn" ]
A327684
[ 1, 1, 0, 4, -4, 11, -13, 39, -73, 144, -256, 559, -1116, 2188, -4317, 8804, -17591, 34992, -69815, 140097, -280416, 560077, -1119327, 2240719, -4482527, 8961129, -17920037, 35847885, -71699202, 143384383, -286760131, 573549105, -1147115913, 229417348...
[ "sign" ]
A119484
[ 10, 111, 10, 1001, 11, 1001, 11101, 11001, 110101, 1101101, 111011, 111, 11111, 1101101, 10011, 100011, 11011111, 100101, 1101011, 10011, 10001, 10010011, 101011, 11010101, 11100001, 101, 11100001, 100010011, 1001010111 ]
[ "easy", "nonn" ]
A138821
[ 12, 13, 25, 37, 511, 813, 1317, 2119, 3423, 5529, 8931, 14437, 23341, 37743, 61047, 98753, 159759, 258461, 418167, 676571, 1094673, 1771179, 2865783, 4636889, 7502597, 121393101, 196418103, 317811107, 514229109, 832040113, 1346269127 ]
[ "base", "easy", "nonn" ]
A359254
[ 4, 26, 96, 216, 480, 882, 1564, 2464, 3804, 5502, 7912, 10864, 14816, 19526, 25508, 32392, 40992, 50818, 62852, 76432, 92460, 110590, 131904, 155306, 182316, 212188, 246316, 283586, 326100 ]
[ "nonn", "more" ]
A360003
[ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, -1, 0, 0, 0, 0, -1, 0, 1, 0, 0, 1, 1, -1, 0, 0, 1, 1, 0, 0, 1, 0, -2, 1, 1, 0, 0, 0, 0, 0, -1, -1, 2, 0, -1, 0, 1, -1, -1, 0, 0, 2, -1, -1, 1, 0, -3, 0,...
[ "sign", "look" ]
A236263
[ 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 2, 1, 0, 0, 1, 2, 3, 3, 4, 5, 4, 4, 5, 7, 4, 5, 6, 6, 5, 5, 5, 7, 6, 7, 9, 7, 8, 7, 7, 5, 11, 8, 8, 8, 11, 8, 7, 5, 10, 6, 9, 8, 10, 7, 8, 10, 9, 7, 8, 9...
[ "nonn" ]
A250880
[ 2002, 6812, 16262, 31928, 55386, 88212, 131982, 188272, 258658, 344716, 448022, 570152, 712682, 877188, 1065246, 1278432, 1518322, 1786492, 2084518, 2413976, 2776442, 3173492, 3606702, 4077648, 4587906, 5139052, 5732662, 6370312, 7053578 ]
[ "nonn" ]
A289434
[ 1, 2, 3, 6, 11, 16, 24, 40, 52, 72, 96, 114, 147, 178, 183 ]
[ "nonn", "more" ]
A127107
[ 1, 2, 3, 4, 6, 8, 12, 20, 24, 40, 57, 60, 100, 114, 120, 156, 200, 220, 228, 258, 300, 312, 440, 456, 516, 600, 660, 780, 1032, 1100, 1140, 1320, 1560, 1640, 1752, 1860, 2172, 2200, 2280, 2580, 2964, 3300, 3660, 3720, 3820, 39...
[ "nonn" ]
A185590
[ 44, 59, 79, 105, 70, 93, 62, 83, 111, 74, 99, 66, 44, 59, 79, 105, 70, 93, 62, 83, 111, 74, 99, 66, 44, 59, 79, 105, 70, 93, 62, 83, 111, 74, 99, 66, 44, 59, 79, 105, 70, 93, 62, 83, 111, 74, 99, 66, 44, 59, 79, 10...
[ "nonn", "easy" ]
A361821
[ 25, 27, 32, 225, 2025, 2197, 2500, 3025, 3375, 7225, 11025, 13225, 21952, 22500, 27000, 27225, 55225, 70225, 112225, 133225, 172225, 195112, 202500, 207025, 235225, 250000, 255025, 302500, 319225, 511225, 555025, 570025, 722500, 1102500, 1113025, ...
[ "nonn", "base" ]
A252742
[ 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1...
[ "nonn" ]
A119953
[ 1, 1, 4, 2, 1, 6, 7, 4, 2, 6, 6, 1, 2, 4, 7, 1, 2, 4, -1, -3, 0, 4, -1, -11, -6, -1, -5, -13, -10, -4, -10, -14, -10, -9, -13, -17, -12, -11, -19, -18, -13, -15, -19, -18, -15, -18, -23, -19, -15, -18, -25, -23, ...
[ "sign", "hear" ]
A298947
[ 1, 1, 2, 3, 6, 7, 11, 12, 15, 19, 22, 22, 29, 32, 32, 38, 42, 44, 49, 51, 54, 63, 63, 64, 71, 79, 76, 84, 87, 90, 96, 101, 101, 113, 108, 115, 122, 131, 125, 134, 138, 144, 147, 155, 150, 169, 163, 168, 173, 185, 180...
[ "nonn" ]
A385434
[ 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 2, 0, 1, 1, 1, 2, 2, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 2, 0, 1, 0, 1, 0, 2...
[ "nonn", "tabl" ]
A200239
[ 6, 3, 7, 6, 6, 1, 1, 5, 7, 9, 4, 6, 0, 7, 3, 1, 3, 4, 1, 1, 9, 8, 9, 5, 4, 5, 6, 5, 8, 8, 1, 9, 6, 2, 0, 1, 3, 7, 3, 3, 9, 9, 2, 2, 8, 0, 7, 2, 7, 3, 3, 8, 6, 9, 5, 5, 6, 1, 0, 6, 2, 3, 0, 9...
[ "nonn", "cons" ]
A182867
[ 1, 1, -4, 1, -20, 64, 1, -56, 784, -2304, 1, -120, 4368, -52480, 147456, 1, -220, 16368, -489280, 5395456, -14745600, 1, -364, 48048, -2846272, 75851776, -791691264, 2123366400, 1, -560, 119392, -12263680, 633721088, -15658639360, 157294854144, -...
[ "sign", "tabl" ]
A184247
[ 5, 11, 17, 29, 41, 53, 59, 71, 97, 101, 107, 137, 149, 157, 173, 179, 191, 197, 211, 223, 227, 239, 257, 263, 269, 281, 311, 347, 373, 397, 419, 431, 457, 461, 487, 499, 521, 541, 563, 569, 593, 599, 607, 617, 641, 653, 659,...
[ "easy", "nonn" ]
A310783
[ 1, 4, 7, 12, 17, 18, 27, 28, 35, 38, 44, 50, 51, 62, 63, 66, 75, 76, 85, 86, 88, 98, 99, 108, 109, 110, 121, 122, 131, 132, 132, 144, 145, 154, 155, 154, 167, 168, 177, 178, 176, 190, 191, 200, 201, 198, 213, 214, 223, ...
[ "nonn" ]
A211735
[ 48, 330, 1336, 4204, 12376, 35520, 101096, 291658, 847968, 2515656, 7544020, 23042956, 71066182, 222455898, 701643848, 2238614428, 7182380086, 23244437414, 75523460968, 246963498566, 809749533116, 2667549489664, 8803343561560 ]
[ "nonn" ]
A229371
[ 1224, 93589, 9346997, 911301584, 89084628843, 8710922742428, 851668326534130, 83250606242790580, 8145575543947646000, 796251832574767300000, 7.790012587050608e+22, 7.616537920070292e+24 ]
[ "nonn" ]
A112113
[ 1, 1, -4, 28, -236, 2159, -20309, 189387, -1696165, 14092143, -103605487, 621674576, -2503235595, 1311059747, 58857366823, -625935119621, 20416246154579, -595556154741631, 9331660766550500, -50486760747953950, -816026626910008700 ]
[ "sign" ]
A256640
[ 1, 1, 1, 2, 4, 3, 5, 15, 19, 10, 14, 56, 99, 90, 36, 42, 210, 476, 603, 427, 137, 132, 792, 2190, 3536, 3507, 2032, 543, 429, 3003, 9801, 19185, 24251, 19800, 9702, 2219, 1430, 11440, 43043, 98890, 151295, 157716, 109520, 46472, ...
[ "nonn", "tabl" ]
A083545
[ 1, 3, 15, 19, 95, 104, 125, 164, 194, 255, 259, 341, 491, 495, 504, 512, 513, 584, 591, 629, 679, 755, 775, 975, 1024, 1147, 1247, 1254, 1260, 1313, 1358, 1463, 1469, 1538, 1615, 1728, 1919, 1962, 1970, 2047, 2071, 2090, 2204, 229...
[ "nonn" ]
A345225
[ 1, 2, 2, 16, 1, 1, 1, 16, 1, 2, 2, 16, 1, 1, 1, 32, 1, 2, 2, 16, 1, 1, 1, 48, 1, 2, 2, 16, 1, 1, 1, 64, 1, 2, 2, 16, 1, 1, 1, 80, 1, 2, 2, 16, 1, 1, 1, 96, 1, 2, 2, 16, 1, 1, 1, 112, 1, 2, 2, 16, ...
[ "easy", "nonn", "changed" ]
A209996
[ 1, 1, 3, 1, 5, 9, 1, 5, 21, 27, 1, 5, 25, 81, 81, 1, 5, 25, 117, 297, 243, 1, 5, 25, 125, 513, 1053, 729, 1, 5, 25, 125, 609, 2133, 3645, 2187, 1, 5, 25, 125, 625, 2853, 8505, 12393, 6561, 1, 5, 25, 125, 625, 3093, ...
[ "nonn", "tabl" ]
A034333
[ 0, 0, 1, 3, 6, 12, 20, 33, 52, 78, 113, 163 ]
[ "nonn" ]
A095420
[ 99, 154, 189, 375, 462, 522, 548, 557, 573, 602, 641, 650, 721, 834, 836, 838, 937, 945, 1010, 1066, 1095, 1106, 1127, 1158, 1277, 1302, 1355, 1381, 1396, 1423, 1444, 1556, 1577, 1592, 1625, 1654, 1662, 1663, 1669, 1683, 1754, 1792, ...
[ "nonn" ]
A158706
[ 1, 1, 0, 1, 2, 0, 2, 0, 3, 6, 0, 6, 0, 15, 0, 7, 24, 0, 24, 0, 84, 0, 52, 0, 37, 120, 0, 120, 0, 540, 0, 380, 0, 485, 0, 141, 720, 0, 720, 0, 3960, 0, 3000, 0, 5430, 0, 2406, 0, 1111, 5040, 0, 5040, 0, 32760, ...
[ "nonn", "tabf" ]
A021901
[ 0, 0, 1, 1, 1, 4, 8, 2, 7, 2, 0, 1, 7, 8, 3, 7, 2, 3, 5, 2, 2, 8, 5, 3, 9, 5, 7, 6, 3, 6, 5, 6, 6, 3, 3, 2, 2, 1, 8, 5, 0, 6, 1, 3, 1, 5, 4, 9, 6, 0, 9, 8, 1, 0, 4, 7, 9, 3, 7, 5, 6, 9, 6, 7...
[ "nonn", "cons", "easy" ]
A367665
[ 0, 0, 0, 1, 0, 6, 30, 12, 12, 126, 102, 6, 18, 384, 294, 78, 18, 0, 6, 888, 726, 300, 42, 12, 1824, 1500, 594, 216, 12, 3186, 3048, 1206, 186, 36, 5592, 4914, 1866, 588, 48, 6, 8736, 8298, 3108, 816, 108, 12, 13164, 12786,...
[ "nonn", "tabf" ]
A299694
[ 1, 12, 1512, 813744, 281434656, 129501949608, 56296822560480, 26218237904433890, 12242575532254540000, 5.850239653863742e+21, 2.8208691224261205e+24, 1.375631026432164e+27, 6.759502021736409e+29 ]
[ "nonn" ]
A161040
[ 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 3, 3, 4, 4, 4, 4, 6, 7, 6, 7, 8, 8, 10, 9, 11, 11, 12, 15, 15, 15, 15, 18, 22, 21, 24, 24, 27, 30, 31, 34, 37, 40, 43, 45, 50, 53, 58, 62, 66, 70, 73, ...
[ "nonn" ]
A037735
[ 2, 19, 171, 1542, 13880, 124921, 1124289, 10118604, 91067438, 819606943, 7376462487, 66388162386, 597493461476, 5377441153285, 48396970379565, 435572733416088, 3920154600744794 ]
[ "nonn", "base" ]
A322422
[ 1, 2, 3, 11, 18, 31, 34, 49, 57, 76, 79, 84, 97, 118, 139, 140, 172, 175, 183, 184, 185, 191, 208, 218, 221, 232, 233, 247, 262, 266, 294, 313, 315, 323, 333, 334, 339, 344, 351, 361, 366, 372, 407, 413, 436, 445, 461, 473...
[ "nonn" ]
A099093
[ 1, 0, 3, 0, 3, 9, 0, 0, 18, 27, 0, 0, 9, 81, 81, 0, 0, 0, 81, 324, 243, 0, 0, 0, 27, 486, 1215, 729, 0, 0, 0, 0, 324, 2430, 4374, 2187, 0, 0, 0, 0, 81, 2430, 10935, 15309, 6561, 0, 0, 0, 0, 0, 1215, 14580, 45927,...
[ "easy", "nonn", "tabl" ]
A289686
[ 9, 11, 13, 15, 19, 27, 35, 39, 45, 51, 83, 99, 105, 111, 121, 123, 127, 133, 175, 177, 213, 263, 277, 285, 339, 347, 543, 681, 743, 1069, 1965, 2379, 2613, 2629, 2911, 3767, 3879, 4789, 5493, 5819, 11559, 14555, 17831, 19705, 24...
[ "nonn" ]
A044840
[ 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 2940, 2955, 2970, 2985, 3000, 3015, 3030, 3045, 3060, 3075, 3090, 3105, 3120, 3135, 5880, 5895, 5910, 5925, 5940, 5955, 5970, 5985, 6000, 6015, 6030, 6045, 6060 ]
[ "nonn", "base" ]
A148882
[ 1, 1, 3, 8, 30, 97, 377, 1371, 5629, 21821, 91723, 370448, 1590614, 6610572, 28808574, 122283013, 539341238, 2326254276, 10357685562, 45242780800, 203008539599, 895866873466, 4045650433086, 18004733886152, 81746353342155, 366389377051723, 1671148718301495, 75353...
[ "nonn", "walk" ]
A147641
[ 16, 512, 12005, 6436341 ]
[ "nonn", "more" ]
A105865
[ 1, 1, 4, 9, 30, 94, 328, 1165, 4294, 16134, 61752, 239610, 940716, 3729324, 14908176, 60026109, 243211206, 990897478, 4057013080, 16683617326, 68879236036, 285388549188, 1186296731376, 4945790840338, 20675513743900, 86648395759516 ]
[ "easy", "nonn" ]
A361617
[ 1, 2, 15, 214, 4721, 146046, 5958367, 307382090, 19459587009, 1478414285146, 132440451881231, 13787717744245182, 1647673524863409200, 223671725058601420000, 3.418474355455941e+22, 5.837132027535189e+24, 1.1061360524716473e+27 ]
[ "nonn" ]
A147742
[ 1, 2, 6, 24, 120, 720, 4608, 35104, 314876, 2945156, 32435238, 381940958, 4765565464, 65551559472 ]
[ "nonn" ]
A099884
[ 1, 2, 3, 4, 6, 5, 8, 12, 10, 15, 16, 24, 20, 30, 17, 32, 48, 40, 60, 34, 51, 64, 96, 80, 120, 68, 102, 85, 128, 192, 160, 240, 136, 204, 170, 255, 256, 384, 320, 480, 272, 408, 340, 510, 257, 512, 768, 640, 960, 544, ...
[ "nonn", "tabl" ]
A207205
[ 190, 36100, 3375548, 317286068, 29420037104, 2765632587041, 261868042220093, 24816867454624856, 2353526785772886500, 223135627844294670000, 2.115500417449371e+22, 2.00555797827363e+24 ]
[ "nonn" ]
A209866
[ 1, 1, 1, 1, 2, 5, 24, 26, 672, 246, 3755388, 13827240, 1768910220, 99034598880, 1463488641762840, 612823600, 171768365608799780, 16338317307187489000, 2.7491145139913885e+22, 1.479445763318014e+25, 2.0848866218903594e+36 ]
[ "nonn" ]
A379842
[ 1, 4, 6, 8, 10, 11, 12, 16, 17, 18, 19, 22, 24, 27, 28, 30, 31, 33, 36, 42, 43, 46, 48, 49, 52, 58, 61, 63, 66, 67, 70, 73, 85, 88, 91, 97, 100, 102, 105, 108, 115, 126, 130, 141, 145, 147, 148, 162, 171, 178, 192, ...
[ "nonn" ]
A160088
[ 1, 4, -1442, -17432, 6237580, 126613744, -44965503224, -1287479045408, 453768009722512, 16832227624528960, -5887014913080687000, -268961938417954980000, 9.334009742231623e+22, 5.079118464249805e+24, -1.7488517326855826e+27 ]
[ "sign", "frac" ]
A135171
[ 5, 19, 211, 2059, 175099, 1586131, 129009091, 1161737179, 94134790219, 68629840493971, 617671248800299, 450283768452043900, 36472994178147533000, 328256958598444000000, 2.6588814218220014e+22, 1.938324565867282e+25, 1.4130386091162274e+28, 1.2717347482334276e+29 ]
[ "nonn" ]
A062695
[ 34, 41, 65, 137, 138, 145, 154, 161, 194, 210, 219, 226, 257, 265, 291, 299, 313, 323, 330, 353, 371, 386, 395, 410, 426, 434, 442, 457, 465, 505, 514, 546, 561, 602, 609, 651, 658, 674, 689, 721, 723, 731, 761, 777, 793, 866,...
[ "nonn" ]
A026821
[ 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 2, 1, 0, 0, 0, 1, 2, 1, 1, 0, 0, 0, 1, 3, 1, 1, 0, 0, 0, 0, 1, 3, 2, 1, 1, 0, 0, 0, 0, 1, 5, 2, 1, 1, 0, 0, 0, 0, 0, 1, 5, 3, 1, 1, 1, 0, 0, 0, 0...
[ "nonn", "tabl" ]
A342090
[ 4, 12, 16, 20, 27, 28, 36, 44, 48, 52, 54, 60, 64, 68, 76, 80, 84, 92, 100, 108, 112, 116, 124, 132, 135, 140, 144, 148, 156, 164, 172, 176, 180, 188, 189, 192, 196, 204, 208, 212, 216, 220, 228, 236, 240, 244, 252, 256, ...
[ "nonn" ]
A160309
[ 1, 22, -1438, -116204, 5735020, 1019546792, -32683512776, -12476450886416, 165242061387152, 195473234180049760, 1442053974086139400, -3.7252703735106613e+21, -1.124438533373637e+23, 8.344587112122788e+25, 4.645331284154383e+27 ]
[ "sign", "frac" ]
A372368
[ 1, 2, 3, 4, 5, 6, 7, 10, 9, 8, 11, 14, 15, 12, 13, 22, 21, 20, 18, 17, 26, 33, 28, 25, 24, 19, 34, 39, 44, 35, 30, 23, 38, 51, 52, 55, 42, 40, 27, 16, 29, 46, 57, 68, 65, 66, 49, 45, 36, 31, 58, 69, 76, 85, 7...
[ "nonn" ]
A040290
[ 17, 1, 1, 4, 1, 1, 34, 1, 1, 4, 1, 1, 34, 1, 1, 4, 1, 1, 34, 1, 1, 4, 1, 1, 34, 1, 1, 4, 1, 1, 34, 1, 1, 4, 1, 1, 34, 1, 1, 4, 1, 1, 34, 1, 1, 4, 1, 1, 34, 1, 1, 4, 1, 1, 34, 1, 1, 4, 1, 1, 34, ...
[ "nonn", "cofr", "easy" ]
A383212
[ 1, 2, 5, 24, 132, 1032, 8820, 95616, 1106496, 15327360, 223560000, 3768768000, 66305952000, 1316927808000, 27127003680000, 620221722624000, 14638710417408000, 378633583448064000, 10073602372700160000, 290788929384726530000, 8.609476463579013e+21, 2.743613326549006e+23, 8....
[ "nonn" ]
A372442
[ 1, 0, 2, 0, 1, -1, 3, 2, 1, -1, 2, -2, 0, 1, 4, -2, 3, -3, 2, 1, 0, -4, 3, 2, -1, 3, 1, -5, 2, -6, 5, 1, -1, 2, 4, -6, -2, 0, 3, -7, 2, -8, 1, 3, -3, -9, 4, 2, 3, -1, 0, -10, 4, 1, 2, -2, -4, -11, 3, ...
[ "sign", "base" ]
A330600
[ 17, 23, 29, 37, 53, 67, 83, 97, 107, 113, 127, 131, 139, 157, 163, 167, 173, 181, 191, 193, 199, 223, 227, 233, 241, 251, 281, 283, 307, 311, 313, 331, 337, 353, 367, 379, 383, 397, 409, 421, 431, 433, 439, 457, 463, 467, 49...
[ "nonn", "base" ]
A082142
[ 1, 2, 12, 80, 560, 4032, 29568, 219648, 1647360, 12446720, 94595072, 722362368 ]
[ "dead" ]
A071729
[ 1, 4, 14, 49, 170, 592, 2077, 7347, 26195, 94080, 340136, 1237090, 4523615, 16621732, 61343875, 227296695, 845252415, 3153656040, 11802018060, 44289999150, 166635655320, 628432803024, 2375216296554, 8995668139262 ]
[ "nonn" ]
A181967
[ 0, 0, 3, 24, 180, 1440, 12600, 120960, 1270080, 14515200, 179625600, 2634508800, 37362124800, 566658892800, 9807557760000, 167382319104000, 3023343138816000, 57621363351552000, 1155628453883904000, 25545471085854720000, 587545834974658560000, 1.3488008733331292e+22 ]
[ "nonn" ]
A255782
[ 198635, 3204754, 71461994, 1182407902, 22610019790, 463394276783, 9007582907953, 175199975406075, 3475690233377737, 68459107740266050, 1345104938505362200, 26506504453080110000, 522233426056453100000 ]
[ "nonn" ]
A001219
[ 0, 6, 120, 210, 990, 185136, 258474216 ]
[ "nonn", "fini", "full" ]
A074431
[ 0, 0, 1, 9, 60, 270, 1157, 5616, 29160, 157464, 883872, 5038848, 28421280, 158130514, 877515379, 4897760256, 27554100480, 156116108160, 889046473445, 5077739844402, 29045467518171, 166351313967709, 954240788994048, 5484237660094464, 31581615565250144 ]
[ "easy", "nonn" ]
A214260
[ 0, 1, 3, 6, 13, 29, 64, 141, 311, 686, 1513, 3337, 7360, 16233, 35803, 78966, 174165, 384133, 847232, 1868629, 4121391, 9090014, 20048657, 44218705, 97527424, 215103505, 474425715, 1046378854, 2307861213 ]
[ "nonn" ]
A170495
[ 1, 6, 30, 150, 750, 3750, 18750, 93750, 468750, 2343750, 11718750, 58593750, 292968750, 1464843750, 7324218750, 36621093750, 183105468750, 915527343750, 4577636718750, 22888183593750, 114440917968750, 572204589843750 ]
[ "nonn" ]