id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A178226
[ 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0...
[ "base", "easy", "nonn" ]
A127804
[ 1, 3, 4, 11, 16, 36, 64, 139, 256, 528, 1024, 2084, 4096, 8256, 16384, 32907, 65536, 131328, 262144, 524816, 1048576, 2098176, 4194304, 8390692, 16777216, 33558528, 67108864, 134225984, 268435456, 536887296, 1073741824, 2147516555, 4294967296, 859000...
[ "nonn", "easy" ]
A133181
[ 1, 1, 1, 2, 2, 4, 2, 5, 4, 8, 2, 11, 4, 8, 10 ]
[ "hard", "more", "nice", "nonn" ]
A129601
[ 0, 1, 3, 2, 4, 6, 3, 7, 8, 15, 4, 8, 12, 16, 24, 5, 11, 9, 23, 19, 13, 6, 12, 14, 24, 28, 17, 30, 7, 15, 16, 31, 32, 47, 48, 63, 8, 16, 24, 32, 48, 39, 56, 64, 96, 9, 19, 17, 39, 35, 25, 33, 79, 71, 49, 10,...
[ "nonn", "tabl" ]
A217311
[ 2, 0, 20, 220, 703, 943, 566, 166, 21, 1, 0, 980, 119284, 4736040, 88959048, 922861456, 5735679224, 22400451966, 56586512056, 93968296600, 103217016568, 74801020694, 35369632364, 10693166706, 2003702920, 222619576, 13801976, 439638, 6272, 32, 0 ]
[ "nonn", "hard", "tabf" ]
A268427
[ 1, 4, 35, 1280, 263374, 205666062 ]
[ "nonn", "more" ]
A276470
[ 1, 3, 4, 5, 11, 15, 18, 37, 41, 58, 60, 87, 117, 118, 214, 265, 334, 355, 450, 655, 1695, 1734, 2183, 3913, 25313, 32865 ]
[ "nonn", "more" ]
A098602
[ 0, 12, 420, 14280, 485112, 16479540, 559819260, 19017375312, 646030941360, 21946034630940, 745519146510612, 25325704946729880, 860328449042305300, 29225841562491650000, 992818284675673900000, 3.3726595837410417e+22, 1.1457114401872786e+24 ]
[ "nonn", "easy" ]
A319762
[ 1, 0, 0, 0, 0, 0, 1, 1, 4, 9, 24 ]
[ "nonn", "more" ]
A315510
[ 1, 6, 11, 17, 21, 27, 31, 37, 42, 48, 54, 59, 65, 69, 75, 79, 85, 90, 96, 102, 107, 113, 117, 123, 127, 133, 138, 144, 150, 155, 161, 165, 171, 175, 181, 186, 192, 198, 203, 209, 213, 219, 223, 229, 234, 240, 246, 251, 2...
[ "nonn" ]
A270158
[ 1, 6, 11, 52, 64, 173, 189, 386, 410, 735, 788, 1285, 1325, 1986, 2042, 2911, 3003, 4132, 4240, 5609, 5733, 7426, 7623, 9640, 9829, 12194, 12383, 15112, 15389, 18562, 18847, 22480, 22765, 26814, 27147, 31760, 32177, 37346, 37763, 43396, ...
[ "nonn", "easy" ]
A382706
[ 0, 0, 1, 2, 2, 3, 4, 4, 5, 5, 6, 7, 8, 8, 9, 10, 10, 11, 12, 12, 13, 14, 15, 16, 17, 18, 18, 18, 19, 20, 21, 22, 22, 23, 24, 25, 25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 33, 34, 35, 35, 36, 37, 38, 39, 40, 4...
[ "nonn" ]
A064530
[ 1, 2, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 ]
[ "nonn", "fini", "full" ]
A199298
[ 0, 0, 0, 1, 0, 0, 9, 34, 0, 0, 710, 5564, 0, 0, 703040, 11214400, 0, 0, 9167628016, 293282496992, 0, 0, 1601362631008768, 102484554971313660, 0, 0, 3.8378773649951335e+21, 4.912471748304954e+23, 0, 0, 1.2877725372645814e+29, 3.2966970567472656e+31 ]
[ "nonn" ]
A377641
[ 11, 105, 923, 7761, 63731, 516825, 4163723, 33429921, 267930851, 2145445545, 17171657723, 137405930481, 1099379004371, 8795560934265, 70366611042923, 562941406533441, 4503565396772291, 36028659967430984, 288229827558159330, 2305840813677223000 ]
[ "nonn", "easy" ]
A149274
[ 1, 1, 4, 11, 42, 149, 604, 2335, 9813, 39940, 171681, 722028, 3154730, 13567418, 60004023, 262309602, 1171110162, 5183089316, 23316172437, 104193685265, 471628178813, 2123944521094, 9663820999334, 43796697446174, 200148890672519, 911873107494108, 4182970725344601,...
[ "nonn", "walk" ]
A141373
[ 3, 19, 43, 67, 139, 163, 211, 283, 307, 331, 379, 499, 523, 547, 571, 619, 643, 691, 739, 787, 811, 859, 883, 907, 1051, 1123, 1171, 1291, 1459, 1483, 1531, 1579, 1627, 1699, 1723, 1747, 1867, 1987, 2011, 2083, 2131, 2179, 2203, 2...
[ "nonn" ]
A142795
[ 43, 103, 163, 223, 283, 463, 523, 643, 823, 883, 1063, 1123, 1303, 1423, 1483, 1543, 1663, 1723, 1783, 2083, 2143, 2203, 2383, 2503, 2683, 2803, 3163, 3343, 3463, 3583, 3643, 3823, 3943, 4003, 4243, 4363, 4423, 4483, 4603, 4663, 4723, ...
[ "nonn", "easy" ]
A271881
[ 2, 1, 6, 6, 2, 2, 2, 6, 8, 3, 7, 1, 3, 5, 2, 3, 9, 4, 4, 7, 2, 0, 5, 3, 7, 4, 0, 5, 9, 3, 4, 8, 6, 6, 6, 7, 2, 2, 4, 3, 8, 0, 5, 7, 6, 0, 7, 3, 9, 3, 8, 1, 4, 4, 5, 3, 4, 7, 2, 9, 9, 9, 8, 5...
[ "nonn", "cons", "base" ]
A103110
[ 2, 3, 5, 63, 237, 407, 687, 4413, 5606 ]
[ "more", "nonn" ]
A218334
[ 1, 4, 38, 3, 728, 40, 26704, 730, 15, 1866256, 20608, 420, 251548592, 961324, 12460, 105, 66296291072, 79643424, 484624, 5040, 34496488594816, 12495365424, 27712860, 220500, 945, 35641657548953344, 3844702446464, 2619965040, 11297440, 69300, 73354596206766...
[ "nonn", "tabf" ]
A011917
[ 0, 0, 0, 0, 3, 17, 51, 120, 240, 432, 720, 1131, 1697, 2451, 3432, 4680, 6240, 8160, 10491, 13289, 16611, 20520, 25080, 30360, 36432, 43371, 51257, 60171, 70200, 81432, 93960, 107880, 123291, 140297, 159003 ]
[ "nonn", "easy" ]
A200854
[ 113, 3728, 103528, 2604826, 61846403, 1408572430, 31197299012, 676213941385, 14409889137860, 302739147144202, 6285532293756352, 129206691796171680, 2633609665501924000, 53291436966934470000, 1.0715559551729808e+21 ]
[ "nonn" ]
A280814
[ 1, 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 8, 9, 9, 10, 11, 11, 12, 13, 13, 14, 14, 15, 15, 16, 17, 17, 18, 19, 19, 20, 20, 21, 21, 22, 23, 23, 24, 25, 25, 26, 26, 27, 27, 28, 29, 30, 30, 31, 31, 32, 32, 33, 33...
[ "nonn" ]
A188448
[ 1, 2, 0, 4, 1, 0, 10, 4, 0, 0, 26, 18, 1, 0, 0, 76, 112, 10, 0, 0, 0, 232, 820, 112, 1, 0, 0, 0, 764, 6912, 1760, 26, 0, 0, 0, 0, 2620, 66178, 35150, 820, 1, 0, 0, 0, 0, 9496, 708256, 848932, 35150, 76, 0, 0, 0, ...
[ "nonn", "tabl" ]
A231344
[ 0, 1, 3, 11, 60, 499, 5705, 82207, 1419768, 28501125, 651233671, 16676686707, 472883844004, 14705395791319, 497538872883741, 18193397941038750, 714950006521387000, 30046260016074300000, 1.3446480688882408e+21 ]
[ "nonn" ]
A129748
[ 1, 3, 7, 11, 13, 19, 37, 39, 61, 73, 89, 107, 109, 113, 117, 147, 153, 159, 171, 173, 207, 241, 253, 307, 311, 329, 347, 419, 429, 461, 481, 491, 497, 509, 523, 529, 539, 543, 559, 613, 617, 631, 651, 691, 701, 703, 731, 7...
[ "easy", "base", "less", "nonn" ]
A117444
[ 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, ...
[ "easy", "sign" ]
A346737
[ 1, 2, 4, 9, 21, 42, 89, 164, 349, 644, 1349, 2473, 5109, 9110, 18489, 32321, 64962, 112445, 223153, 378761, 740095, 1231589, 2364342, 3847629, 7246578, 11506172, 21233764, 32854049, 59293970, 89146163, 157015152, 228894783, 392648931, 553489877, 92...
[ "nonn", "fini", "full" ]
A150737
[ 1, 2, 8, 29, 122, 516, 2253, 10019, 45223, 205633, 948552, 4383695, 20467864, 95853451, 451175590, 2133028680, 10110239852, 48104263016, 229403087222, 1096730547084, 5255720495831, 25229713743029, 121361215731913, 584670220548122, 2821064568974016, 13631559528851392...
[ "nonn", "walk" ]
A120017
[ 1, 2, 4, 10, 32, 116, 440, 1708, 6760, 27232, 111392, 461536, 1933024, 8170400, 34807232, 149304080, 644298592, 2795216576, 12184415360, 53338632256, 234393350912, 1033614750080, 4572427361536, 20285780245120, 90238113332992 ]
[ "nonn" ]
A292785
[ 0, 16, 194, 1932, 18181, 168330, 1555366, 14424896, 134429269, 1258812629, 11840308472, 111817802539, 1059796159358, 10076977878935, 96091981692305, 918679869869451, 8803388128870716, 84537081067757940, 813340036390023800, 7838825925395982000, 75669246174605280000 ]
[ "nonn" ]
A026500
[ 1, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 20, 21, 22, 23, 24, 25, 28, 29, 30, 31, 32, 36, 37, 39, 40, 44, 45, 47, 49, 52, 55, 56, 58, 60, 63, 64, 65, 69, 71, 72, 76, 78, 79, 80, 84, 85, 87, 92, 93, ...
[ "nonn", "easy" ]
A154473
[ 842, 11090, 13202, 46882, 60994, 231272004, 198873570440, 266349291297936, 64442911458703650, 3667589230123774500, 3.336154829743803e+21, 1.7601566387699272e+25, 1.0234999903103579e+27 ]
[ "nonn", "base" ]
A149335
[ 1, 1, 4, 12, 40, 147, 547, 2103, 8259, 32941, 133800, 548559, 2272771, 9512677, 40082150, 170135424, 726604441, 3119329612, 13462273830, 58348311884, 253930572928, 1109372881912, 4862659777279, 21383504349494, 94310080465112, 417063476801472, 1849153300144679, 8...
[ "nonn", "walk" ]
A312147
[ 1, 4, 8, 13, 18, 23, 29, 33, 36, 41, 46, 51, 55, 61, 67, 71, 75, 79, 85, 89, 91, 99, 105, 108, 113, 116, 123, 127, 127, 137, 143, 145, 151, 153, 161, 165, 163, 175, 181, 182, 189, 190, 199, 203, 199, 213, 219, 219, 227, ...
[ "nonn" ]
A094830
[ 1, 0, 0, 6, 0, 4, 0, 11, 5, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 5, 13, 9, 0, 4, 11, 12, 17, 3, 0, 8, 0, 8, 7, 1, 7, 3, 0, 5, 7, 4, 0, 3, 0, 3, 7, 8, 0, 2, 2, 2, 6, 3, 0, 10, 2, 3, 1, 3, 0, 3, 0, 2, ...
[ "base", "easy", "nonn", "look" ]
A238239
[ 7, 6, 3, 4, 5, 4, 1, 5, 2, 5, 4, 0, 2, 4, 4, 9, 4, 9, 8, 6, 9, 3, 6, 6, 0, 2, 6, 6, 5, 7, 0, 0, 4, 7, 0, 2, 2, 8, 6, 6, 5, 3, 2, 9, 3, 8, 0, 3, 3, 8, 4, 2, 5, 5, 3, 9, 9, 4, 2, 7, 3, 3, 6, 1...
[ "nonn", "cons", "easy" ]
A194873
[ 1, 2, 3, 6, 4, 5, 9, 7, 10, 8, 15, 13, 11, 14, 12, 20, 18, 16, 21, 19, 17, 28, 26, 24, 22, 27, 25, 23, 35, 33, 31, 29, 36, 34, 32, 30, 45, 43, 41, 39, 37, 44, 42, 40, 38, 54, 52, 50, 48, 46, 55, 53, 51, 49, 4...
[ "nonn" ]
A102937
[ 0, 1, 2, 5, 7, 19, 20, 28, 58, 250, 397, 7591, 32716, 70978, 83587, 140693 ]
[ "more", "nonn" ]
A131680
[ 1, 11, 54266008005, 94467113468457040000, 5.38562285352302e+26, 1.0237032829889148e+32, 2.1710045643411304e+36, 1.0015112821822553e+40, 1.505711632145121e+43, 9.594364176429126e+45 ]
[ "nonn", "easy" ]
A208154
[ 8, 10, 12, 18, 24, 30, 36, 42, 66, 72, 78, 84, 90, 102, 114, 126, 138, 168, 174, 186, 210, 222, 234, 246, 252, 258, 282, 318, 354, 366, 390, 396, 402, 426, 438, 456, 474, 498, 504, 534, 546, 582, 606, 618, 630, 642, 654, 6...
[ "nonn" ]
A122262
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 20, 20, 21, 22, 23, 24, 25, 25, 26, 26, 27, 27, 28, 29, 30, 31, 32, 33, 34, 34, 35, 35, 35, 36, 36, 36, 37, 38, 39, 40, 41, 41, 42, 4...
[ "nonn" ]
A023641
[ 1, 1, 2, 3, 2, 13, 4, 9, 12, 40, 7, 38, 10, 83, 29, 38, 15, 373, 25, 71, 54, 204, 26, 259, 31 ]
[ "nonn" ]
A212207
[ 1, 1, 1, 1, 3, 2, 1, 6, 9, 4, 1, 10, 26, 25, 8, 1, 15, 60, 95, 65, 16, 1, 21, 120, 280, 309, 161, 32, 1, 28, 217, 700, 1113, 924, 385, 64, 1, 36, 364, 1554, 3346, 3948, 2596, 897, 128, 1, 45, 576, 3150, 8820, 13902, ...
[ "nonn", "tabl" ]
A018336
[ 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210 ]
[ "nonn", "fini", "full", "easy" ]
A184791
[ 6891, 100941, 100941, 1451439, 3637117, 1451439, 19143309, 125979493, 125979493, 19143309, 264517911, 3680493357, 10547404447, 3680493357, 264517911, 3635551053, 120704703909, 680930052757, 680930052757, 120704703909 ]
[ "nonn", "tabl" ]
A228750
[ 3, 20, 126, 780, 4808, 29608, 182288, 1122240, 6908896, 42533440, 261849728, 1612032128, 9924194048, 61096565760, 376130326016, 2315580595200, 14255467112448, 87761291061248, 540287045521408, 3326182739886080 ]
[ "nonn" ]
A130246
[ 0, 1, 3, 6, 10, 14, 18, 23, 28, 33, 38, 44, 50, 56, 62, 68, 74, 80, 87, 94, 101, 108, 115, 122, 129, 136, 143, 150, 157, 165, 173, 181, 189, 197, 205, 213, 221, 229, 237, 245, 253, 261, 269, 277, 285, 293, 301, 310, 319,...
[ "nonn" ]
A029319
[ 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 2, 1, 1, 2, 1, 2, 2, 2, 3, 3, 3, 4, 3, 4, 4, 4, 5, 5, 5, 7, 6, 7, 8, 7, 8, 9, 8, 10, 10, 11, 12, 12, 13, 14, 13, 15, 15, 16, 17, 18, 19, 20, 20, 22, 22, 23, 24, 25, ...
[ "nonn", "easy" ]
A147147
[ 1, 1, 1, 9, 33, 121, 1109, 21917, 638145, 19928333, 1044135195, 95057962687, 13578889854579 ]
[ "nonn" ]
A186041
[ 2, 3, 4, 5, 8, 11, 13, 14, 17, 18, 20, 23, 25, 26, 28, 29, 32, 33, 35, 38, 39, 41, 43, 44, 46, 47, 48, 50, 53, 56, 58, 59, 60, 62, 63, 65, 67, 68, 71, 73, 74, 77, 78, 80, 81, 83, 86, 88, 89, 92, 93, 95, 98, 101...
[ "nonn", "easy" ]
A061602
[ 1, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 2, 2, 3, 7, 25, 121, 721, 5041, 40321, 362881, 3, 3, 4, 8, 26, 122, 722, 5042, 40322, 362882, 7, 7, 8, 12, 30, 126, 726, 5046, 40326, 362886, 25, 25, 26, 30, 48, 144, 744, 506...
[ "nonn", "base", "easy" ]
A148278
[ 1, 1, 2, 4, 15, 40, 166, 515, 2241, 7481, 33428, 117409, 534598, 1951131, 9007452, 33852509, 157910004, 607326940, 2855494418, 11189286399, 52936114932, 210652076234, 1001557345585, 4037507868399, 19275007001569, 78565275721462, 376348405678929, 1548720817943550...
[ "nonn", "walk" ]
A073779
[ 0, 1, 0, 0, 1, 0, 0, 1, 0, 2, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 3, 2, 1, 2, 1, 1, 2, 1, 1, 0, 2, 1, 0, 0, 0, 3, 2, 2, 1, 2, 2, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 3, 2, 3, 2, 3, 2, 2, 1, 1, 2, 1...
[ "base", "easy", "nonn" ]
A080122
[ 346065536839, 675895909271, 1000121668853, 1320811971702, 1638923764567, 1955010428258, 2269432871304, 2582444113487, 2894232250783, 3204941750802, 3514687156436, 3823561506566, 4131641836725, 4438993433550, 4745670621117 ]
[ "nonn" ]
A175547
[ 123456789, 214365897, 341278956, 432189675, 567891234, 658917342, 789523461, 896742513, 975634128 ]
[ "fini", "full", "nonn", "base" ]
A311873
[ 1, 4, 8, 13, 17, 21, 26, 34, 36, 41, 49, 50, 60, 63, 66, 73, 81, 83, 88, 95, 92, 107, 109, 107, 119, 123, 127, 135, 136, 138, 149, 153, 153, 162, 168, 168, 181, 182, 179, 195, 195, 197, 209, 209, 214, 223, 226, 225, 238,...
[ "nonn" ]
A083618
[ 828499, 1264270, 1691163, 3280219, 3311569, 3552343, 6252652, 6885738, 7282004, 10049065, 10549618, 10567078, 11588274, 11793700, 12376485, 14302933, 15107731, 15408837, 16027040, 16963877, 17122307, 17893953, 17893954, 18125464, 18681327, 22931745, 22931746, 22...
[ "nonn", "base" ]
A353791
[ 1, 1, 4, 1, 12, 4, 30, 1, 16, 12, 70, 4, 132, 30, 48, 1, 208, 16, 306, 12, 120, 70, 418, 4, 144, 132, 64, 30, 644, 48, 870, 1, 280, 208, 360, 16, 1116, 306, 528, 12, 1480, 120, 1722, 70, 192, 418, 1978, 4, 900, 144, ...
[ "nonn", "mult" ]
A295426
[ 2, 29, 2927, 659251, 46508430817, 616473989937916800, 3.5775623842245487e+24, 1.3141425135070304e+33, 1.914627150738259e+42, 5.911283623857974e+52, 2.1782568597204534e+64 ]
[ "nonn", "frac" ]
A188872
[ 81, 6561, 385700, 24609576, 1558668181, 98523889293, 6231989402196, 394199392835388, 24934537275160190, 1577208767277367300, 99764749430808100000, 6.310518350640206e+21, 3.991654733417203e+23 ]
[ "nonn" ]
A389553
[ 1, 3, 4, 3, 5, 6, 4, 5, 6, 2, 7, 8, 1, 8, 9, 2, 7, 9, 6, 7, 10, 1, 15, 16, 2, 17, 18, 6, 19, 20, 3, 23, 24, 4, 23, 24, 1, 24, 25, 3, 23, 25, 4, 23, 25, 10, 27, 28, 5, 29, 30, 2, 31, 32, 7, 34, 35, 1, ...
[ "nonn", "tabf" ]
A073967
[ 0, 0, 6, 25, 125, 600, 3150, 15750, 78625, 390625, 1952500, 9762500, 48831250, 244140625, 1220703125, 6103437500, 30517656250, 152588281250, 762941015625, 3814697265625, 19073484375000, 95367421875000, 476837167968750, 2384185791015625, 11920928955078124 ]
[ "easy", "nonn" ]
A058125
[ 0, 1, 1, 387420489, 3.1217485503159922e+144 ]
[ "nonn" ]
A084067
[ 1, 12, 6, 4, 9, 12, 4, 12, 12, 8, 6, 12, 6, 12, 12, 12, 12, 12, 8, 12, 9, 12, 12, 12, 12, 12, 6, 12, 6, 12, 10, 12, 6, 12, 12, 12, 2, 12, 6, 8, 6, 12, 12, 12, 12, 4, 12, 12, 8, 12, 12, 8, 3, 12, 4, 12, 12...
[ "nonn" ]
A220141
[ 2, 5, 11, 13, 31, 37, 53, 61, 433, 3023, 3989, 4079, 9967, 10789, 76943, 81439, 121763, 233969, 491333, 495931, 795659, 1653901, 2623969, 3516277, 6274823, 10536689, 11313839, 12023191, 16268899, 22829309, 38968109, 41230733, 45057577, 76384717, 98...
[ "nonn" ]
A229937
[ 1, 4, 8, 14, 16, 21, 22, 25, 26, 28, 32, 35, 38, 42, 44, 49, 50, 52, 55, 56, 62, 64, 69, 70, 74, 76, 81, 82, 84, 87, 88, 91, 93, 94, 98, 100, 104, 110, 112, 115, 117, 118, 121, 122, 124, 128, 133, 134, 138, 140, 143,...
[ "nonn", "base" ]
A097138
[ 0, 0, 1, 5, 22, 90, 363, 1455, 5824, 23300, 93205, 372825, 1491306, 5965230, 23860927, 95443715, 381774868, 1527099480, 6108397929, 24433591725, 97734366910, 390937467650, 1563749870611, 6254999482455, 25019997929832 ]
[ "easy", "nonn" ]
A162284
[ 1, 81, 18966025, 135187129, 164275489, 350561925, 445421025, 598047025, 649587169, 748733769, 850830561, 960362325, 1055925025, 1341097641, 1406175001, 1476326929, 1520766009, 1536248025, 1591004025, 1735566525 ]
[ "nonn" ]
A308354
[ 0, 1, 3, 24, 200, 2070, 24822, 340648, 5257800, 90174690, 1701190370, 35011502460, 780603478668, 18742820292742, 482172697215510, 13231193297338320, 385766358723033100, 11908944548154972000, 388063941316923000000, 1.3310969922203226e+22 ]
[ "nonn", "easy" ]
A101727
[ 0, 1, 3, 4, 12, 21, 24, 27, 37, 66, 141, 283, 294, 379, 396, 1216, 1639, 2884, 3285, 7734, 29305 ]
[ "nonn", "hard", "more" ]
A002248
[ 2, 8, 14, 16, 22, 56, 142, 288, 518, 968, 1982, 4144, 8374, 16472, 32494, 65088, 131174, 263144, 525086, 1047376, 2094358, 4193912, 8393806, 16783200, 33550022, 67092488, 134210174, 268460656, 536911222 ]
[ "nonn", "easy" ]
A247810
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 15, 16, 17, 18, 20, 21, 23, 25, 26, 27, 28, 29, 30, 40, 41, 42, 43, 45, 46, 47, 48, 49, 50, 53, 56, 57, 60, 63, 67, 70, 73, 80, 83, 85, 86, 87, 90, 91, 93, 95, 96, 97, 98...
[ "nonn", "base", "word", "fini", "full", "changed" ]
A042540
[ 28, 85, 113, 424, 23857, 71995, 95852, 359551, 20230708, 61051675, 81282383, 304898824, 17155616527, 51771748405, 68927364932, 258553843201, 14547942584188, 43902381595765, 58450324179953 ]
[ "nonn", "cofr", "frac", "easy" ]
A235906
[ 1408, 26408, 499136, 9533120, 181855488, 3481713664, 66562286592, 1274524104704, 24381793964032, 466787561906176, 8931943648346112, 170980467157925900, 3272077297963827000, 62631436553438230000 ]
[ "nonn" ]
A248207
[ 1, 2, 3, 2, 5, 3, 0, 2, 7, 2, 0, 2, 3, 0, 0, 3, 11, 2, 0, 0, 13, 5, 0, 2, 15, 2, 0, 2, 0, 3, 0, 0, 3, 0, 0, 2, 21, 0, 0, 6, 0, 3, 0, 0, 5, 5, 0, 3, 27, 0, 0, 2, 29, 0, 0, 0, 31, 2, 0, 2, 3, 0, ...
[ "nonn" ]
A196832
[ 2, 1, 1, 7, 5, 2, 6, 7, 2, 8, 4, 3, 1, 3, 3, 5, 6, 4, 2, 2, 8, 9, 1, 8, 2, 8, 8, 7, 8, 3, 0, 2, 6, 3, 7, 0, 7, 8, 1, 5, 9, 5, 1, 6, 7, 9, 1, 0, 4, 6, 3, 2, 3, 2, 6, 2, 5, 2, 5, 9, 6, 1, 4, 0...
[ "nonn", "cons" ]
A383742
[ 0, 0, 1, 0, 1, 2, 0, 1, 2, 3, 0, 1, 6, 5, 4, 0, 1, 14, 35, 12, 5, 0, 1, 34, 197, 204, 29, 6, 0, 1, 82, 1155, 2772, 1189, 70, 7, 0, 1, 198, 6725, 39236, 39005, 6930, 169, 8, 0, 1, 478, 39203, 551532, 1332869, 548842...
[ "nonn", "tabl", "easy" ]
A203441
[ 1, 21988, 168492336, 482229769194, 1163067191357930 ]
[ "nonn" ]
A208380
[ 8, 64, 108, 420, 1344, 4212, 13860, 44880, 144540, 468852, 1517184, 4906980, 15883764, 51401040, 166325292, 538259268, 1741843392, 5636673684, 18240740100, 59028275280, 191019298428, 618151779156, 2000381177088, 6473368570500 ]
[ "nonn" ]
A335376
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 51, 52, 53, 55, 56, 57, 5...
[ "nonn" ]
A114173
[ 1, 2, 5, 13, 34, 90, 240, 643, 1729, 4663, 12607, 34156, 92702, 251975, 685759, 1868310, 5094753, 13904028, 37971570, 103762963, 283703065, 776069296, 2123892683, 5814922585, 15926507984, 43636524179, 119597410199 ]
[ "nonn" ]
A017770
[ 1, 54, 1431, 24804, 316251, 3162510, 25827165, 177100560, 1040465790, 5317936260, 23930713170, 95722852680, 343006888770, 1108176102180, 3245372870670, 8654327655120, 21094923659355, 47153358767970, 96926348578605, 183649923622620, 321387366339585 ]
[ "nonn", "fini", "full", "easy" ]
A312064
[ 1, 4, 8, 13, 18, 22, 26, 30, 34, 39, 43, 47, 53, 58, 62, 66, 68, 72, 79, 81, 85, 93, 98, 102, 106, 106, 110, 119, 119, 123, 133, 138, 142, 146, 144, 148, 159, 157, 161, 173, 178, 182, 186, 182, 186, 199, 195, 199, 213, ...
[ "nonn" ]
A376235
[ 311, 317, 347, 349, 359, 373, 461, 467, 571, 599, 619, 683, 691, 739, 797, 811, 821, 839, 853, 857, 881, 907, 937, 977, 991, 1019, 1021, 1103, 1117, 1181, 1223, 1229, 1237, 1279, 1303, 1307, 1319, 1381, 1427, 1429, 1433, 1471, 1481,...
[ "nonn" ]
A076350
[ 0, 0, -8, 0, 8, -32, -16, 0, -240, 32, -24, -128, 24, -64, 0, 0, 32, -960, -40, 128, -744, -96, -48, -512, 240, 96, -4888, -256, 56, 0, -64, 0, -1504, 128, 264, -3840, 72, -160, -784, 512, 80, -2976, -88, -384, -2312, -192, ...
[ "sign" ]
A075189
[ 0, 1, 3, 6, 14, 20, 38, 74, 134, 232, 486, 526, 1078, 2036, 2505, 4762, 9929, 14598, 29831, 31521, 52223, 101123, 207892, 215796, 426772, 836665, 1640357, 1689653, 3401483, 3471770, 6868800, 13470379, 23182192, 45792615, 47136366 ]
[ "nice", "nonn" ]
A370998
[ 1, 3, 11, 44, 44, 56, 56, 101, 101, 101, 359, 359, 359, 664, 664, 821, 821, 821, 866, 866, 866, 2623, 2623, 2623, 2623, 2944, 2944, 2944, 2944, 2944, 2944, 2944, 2944, 2944, 5171, 5171, 12839, 18833, 18833, 18833, 18833, 29947, 2994...
[ "nonn" ]
A064092
[ 1, 1, 10, 181, 4078, 102826, 2777212, 78571837, 2298558934, 68964092542, 2110472708140, 65620725560578, 2067160250751436, 65833929303952560, 2116166898185821700, 68565914052628410000, 2.2370221998420874e+21 ]
[ "nonn", "easy" ]
A222436
[ 2, 3, 4, 5, 9, 14, 21, 35, 56, 89, 145, 234, 377, 611, 988, 1597, 2585, 4182, 6765, 10946, 17710, 28654, 46361, 75011, 121366, 196366, 317716, 514056, 831729, 1345717, 2177336, 3522874, 5699922, 9222330, 14921497, 24142607, 39062130, 63201542...
[ "nonn" ]
A198706
[ 6, 3508, 2654693, 3075124662, 3588013895024, 4285681886701131 ]
[ "nonn" ]
A197021
[ 3, 7, 1, 8, 1, 1, 0, 4, 1, 7, 3, 6, 1, 7, 2, 1, 8, 4, 0, 1, 9, 5, 6, 4, 7, 3, 5, 1, 5, 8, 8, 5, 7, 9, 0, 2, 8, 9, 7, 0, 6, 2, 6, 3, 9, 2, 8, 8, 3, 6, 4, 8, 1, 7, 8, 7, 7, 3, 4, 1, 4, 7, 3, 3...
[ "nonn", "cons" ]
A376987
[ 0, 0, 0, 0, 0, 1, 2, 3, 4, 7, 12, 16, 29, 39, 73, 92, 170, 209, 405, 485, 932, 1095, 2166, 2528 ]
[ "nonn", "more" ]
A146369
[ 1, 1, 1, 1, 1, 1, 1, 3, 7, 13, 21, 39, 135, 491, 1711, 5531, 18851, 87961, 493635, 2869867, 17154745, 107225849, 792577759, 6869876861, 66058401395, 676488427499, 7479488157903, 92053084127249, 1298331132850519, 20359043284485660 ]
[ "nonn" ]
A038954
[ 13, 19, 29, 41, 43, 47, 59, 67, 71, 79, 89, 103, 107, 109, 113, 131, 137, 139, 149, 151, 157, 163, 167, 173, 191, 193, 223, 233, 239, 241, 251, 293, 337, 347, 359, 367, 383, 389, 397, 409, 419, 421, 431, 443, 457 ]
[ "nonn" ]
A118469
[ 1, 1, 3, 1, 4, 5, 1, 6, 7, 8, 1, 7, 8, 9, 11, 1, 9, 10, 11, 13, 14, 1, 10, 11, 12, 14, 15, 17, 1, 12, 13, 14, 16, 17, 19, 20, 1, 15, 16, 17, 19, 20, 22, 23, 25, 1, 16, 17, 18, 20, 21, 23, 24, 26, 29, 1, 1...
[ "nonn", "tabl" ]
A291595
[ 1, 6, 35, 336, 8095, 389502, 41541383, 7705628640, 3104759041723 ]
[ "nonn", "more" ]
A213816
[ 1, 1, 1, 2, 2, 3, 4, 6, 7, 11, 13, 20, 24, 37, 44, 68, 81, 125, 149, 230, 274, 423, 504, 778, 927, 1431, 1705, 2632, 3136, 4841, 5768, 8904, 10609, 16377, 19513, 30122, 35890, 55403, 66012, 101902, 121415, 187427, 223317, 344732, ...
[ "nonn", "easy" ]
A184842
[ 1, 1, 2, 2, 6, 10, 17, 45, 153, 561, 1670, 4780, 14974, 45555, 140211, 419924, 1245122, 3669858, 10724147, 31185503, 89840674, 256746801, 728672328, 2051488536, 5732076608, 15895090361, 43752447121, 119570863227, 324496444134 ]
[ "nonn" ]