id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A286475
[ 1, 8, 9, 14, 11, 20, 7, 26, 21, 32, 11, 38, 7, 44, 33, 50, 11, 56, 7, 62, 45, 68, 11, 74, 35, 80, 57, 86, 11, 92, 7, 98, 69, 104, 47, 110, 7, 116, 81, 122, 11, 128, 7, 134, 93, 140, 11, 146, 43, 152, 105, 158, 11, 164, 71, 170, 117, 176, 11, 182, 7, 188, 129, 194, 83, 200, 7, 206, 141, 212, 11, 218, 7, 224, 153, 230, 67, 236, 7, 242, 165, 248, 11, 254, 107 ]
[ "nonn" ]
A241542
[ 1, 2, 4, 30, 189, 217, 2225, 3385, 14357, 30802, 31545, 104071, 149689, 1094421, 1319945, 10655462, 23163298, 112228683, 182837804, 203615628, 486570087, 1094330259, 11992433550, 17883926781, 50070452577, 52302956123, 72178455400, 94906079600, 473258870471, 662221289043 ]
[ "nonn" ]
A095623
[ 116, 138, 164, 224, 312, 431, 1310, 11022, 1110100, 1.111111111111111e+115 ]
[ "nonn", "fini", "full" ]
A232219
[ 1, 2, 3, 11, 27, 93, 233, 978, 3156, 13280, 44476, 205611, 796091 ]
[ "nonn", "more" ]
A175151
[ 1, 5, 26, 182, 1737, 21345, 320938, 5701778, 116812889, 2710555349, 70256770866, 2011763864406, 63066746422417, 2148275748236033, 79009709388692500, 3120334201617872000, 131703367127423550000, 5.916556161455826e+21, 2.8185760879303476e+23 ]
[ "easy", "nonn" ]
A277107
[ 0, 96, 384, 1248, 3840, 11616, 34944, 104928, 314880, 944736, 2834304, 8503008, 25509120, 76527456, 229582464, 688747488, 2066242560, 6198727776, 18596183424, 55788550368, 167365651200, 502096953696, 1506290861184, 4518872583648, 13556617751040 ]
[ "nonn", "easy" ]
A362825
[ 1, 1, 8, 22, 232, 1016, 12496, 73648, 1032032, 7586272, 118141696, 1033672256, 17668427008, 178649596672, 3313667912192, 37898019913216, 756948065453056, 9640771045925888, 205935949714235400, 2885307792776354000, 65568056040976820000 ]
[ "nonn" ]
A117351
[ 1, 2, 3, 4, 11, 7, 10, 5, 22, 6, 37, 8, 21, 14, 9, 17, 55, 13, 56, 16, 36, 15, 78, 12, 79, 20, 105, 19, 106, 18, 136, 35, 137, 26, 172, 24, 171, 25, 211, 23, 210, 28, 253, 27, 254, 29, 300, 31, 301, 34, 351, 30, 352, 32, 407, 39, 406, 38, 465, 33, 466, 43, 529, 40, 528, 41 ]
[ "nonn" ]
A067381
[ 5, 41, 311, 311, 34421, 442019, 3634531, 48205429, 1798467197, 36154343837, 166400805323, 6123584726269 ]
[ "nonn", "hard", "more" ]
A145866
[ 1, 1, 2, 1, 2, 2, 2, 1, 2, 2, 3, 1, 2, 1, 1, 1, 2, 2, 3, 1, 3, 4, 3, 1, 2, 3, 2, 1, 1, 1, 1, 1, 2, 2, 3, 1, 3, 3, 2, 1, 3, 2, 5, 1, 3, 1, 1, 1, 2, 1 ]
[ "nonn" ]
A300432
[ 3, 37, 87, 238, 704, 2104, 6235, 18461, 54864, 165251, 497102, 1500726, 4542437, 13802952, 42043561, 128343104, 392429834, 1201823739, 3685689654, 11316538154, 34781400484, 106992787236, 329361530696, 1014490511414, 3126320933296 ]
[ "nonn" ]
A178234
[ 1, -1, -2, 1, 1, 7, 1, -7, 2, -1, -22, -30, 44, 25, -30, 6, 1, 69, 244, -106, -495, 193, 242, -156, 24, -1, -216, -1575, -1010, 4695, 1884, -5429, 270, 2190, -960, 120, 1, 671, 9251, 19283, -28295, -59839, 50065, 56385, -52318, -9660, 20640, -6840, 720, -1 ]
[ "sign", "tabf", "uned" ]
A300231
[ 1, 2, 2, 3, 2, 4, 2, 5, 6, 7, 2, 8, 2, 9, 10, 11, 2, 12, 2, 13, 14, 15, 2, 16, 17, 18, 19, 20, 2, 21, 2, 22, 23, 24, 19, 25, 2, 13, 26, 27, 2, 28, 2, 29, 30, 31, 2, 32, 33, 34, 12, 35, 2, 36, 26, 37, 38, 39, 2, 40, 2, 41, 42, 43, 44, 45, 2, 46, 47, 48, 2, 49, 2, 50, 51, 52, 44, 53, 2, 54, 55, 56, 2, 57, 38, 35, 30, 58, 2, 59, 60, 32, 61, 62, 63, 64 ]
[ "nonn" ]
A184280
[ 11, 130, 2211, 44368, 956635, 21524790, 498112275, 11767920118, 282429542331, 6863038218842, 168456380815459, 4169295435797688, 103911670590311940, 2605214027190054400, 65651393478909970000, 1.6618008974407298e+21, 4.222929339363839e+22 ]
[ "nonn" ]
A306842
[ 1, 4, 6, 44, 10, 612, 14, 3936, 7074, 22700, 22, 339792, 26, 624652, 2732760, 6401232, 34, 45174204, 38, 220441080, 309304842, 325909628, 46, 7330314960, 2822796950, 6760390052, 27417926304, 78814587656, 58, 548150764560, 62, 1352747882944, 2111872688706 ]
[ "nonn" ]
A003791
[ 1, 504, 16482816, 34558531338240, 4.638226007491011e+21, 3.984190604187127e+31, 2.1903309038581548e+43 ]
[ "nonn", "easy" ]
A323462
[ 1, 1, 3, 2, 5, 3, 7, 4, 9, 5, 11, 6, 13, 7, 15, 8, 17, 9, 19, 10, 11, 11, 13, 12, 15, 13, 17, 14, 19, 15, 31, 16, 33, 17, 35, 18, 37, 19, 39, 20, 21, 21, 23, 22, 25, 23, 27, 24, 29, 25, 51, 26, 53, 27, 55, 28, 57, 29, 59, 30, 31, 31, 33, 32, 35, 33, 37, 34, 39, 35, 71, 36, 73, 37, 75, 38, 77, 39, 79, 40, 41 ]
[ "nonn", "base" ]
A356985
[ 2, 55, 56, 93, 170, 944, 1904, 2839, 3104, 4213, 4793, 4953, 5664, 35120, 48456, 145256, 213416, 224288, 267084, 276736, 310897, 366624, 627850, 802024, 837801, 1093671, 1451332, 2036312, 2909925, 3888750, 4373000, 4746840, 6754320, 6819840, 13327155, 18807624 ]
[ "nonn", "base" ]
A101229
[ 1, 2, 4, 1, 2, 4, 8, 16, 5, 10, 3, 6, 12, 24, 48, 96, 192, 384, 768, 1536, 3072, 6144, 12288, 24576, 49152, 98304, 196608, 393216, 786432, 1572864, 3145728, 6291456, 12582912, 25165824, 50331648, 100663296, 201326592, 402653184, 805306368 ]
[ "nonn", "easy" ]
A326971
[ 1, 2, 5, 24, 1267 ]
[ "nonn", "more" ]
A372605
[ 1, 1, 6, 8, 0, 6, 5, 2, 1, 8, 1, 4, 5, 7, 3, 4, 0, 8, 1, 5, 4, 7, 0, 3, 9, 6, 1, 1, 8, 3, 5, 6, 9, 6, 5, 6, 5, 8, 3, 5, 0, 4, 7, 0, 7, 3, 0, 1, 9, 2, 2, 3, 5, 9, 9, 5, 8, 0, 3, 7, 5, 9, 1, 6, 4, 0, 2, 1, 5, 5, 1, 0, 8, 1, 3, 0, 3, 9, 2, 4, 4, 9, 3, 4, 7, 7, 9, 2, 9, 9 ]
[ "nonn", "cons" ]
A039142
[ 0, 1, 2, 3, 5, 7, 8, 9, 10, 11, 12, 13, 15, 17, 18, 19, 20, 21, 22, 23, 25, 27, 28, 29, 30, 31, 32, 33, 35, 37, 38, 39, 46, 50, 51, 52, 53, 55, 57, 58, 59, 64, 70, 71, 72, 73, 75, 77, 78, 79, 80, 81, 82, 83, 85, 87, 88, 89, 90, 91, 92, 93, 95, 97, 98, 99, 100, 101, 102 ]
[ "nonn", "base", "easy" ]
A265616
[ 1, 64, 5625, 545952, 147336019, 54825790582, 25237215601657, 5398176185968548, 2317847898908866600, 635566504276200700000, 3.0526636326507505e+23, 1.431317154706752e+26, 7.382300081254274e+28 ]
[ "nonn" ]
A207692
[ 40, 1600, 1296, 5856, 18564, 50096, 145200, 453420, 1403184, 4038800, 12177100, 36992544, 110036104, 332138592, 989787144, 2977771420, 8964400760, 26737629576, 80548970652, 241336844800, 723444785800, 2175007306820 ]
[ "nonn" ]
A107655
[ 3, 5, 85, 17, 1285, 4369, 559876, 257, 327685, 1114129, 1114521441417, 16843009, 160490068541289, 1925878801139721, 23110536763219976, 65537, 3327917287071744000, 39934999967815156000, 479219999336720900000, 5.750639996603166e+21, 6.9007679885506345e+22, 8.280921585718113e+23, 9.937105900443065e+24 ]
[ "nonn" ]
A077623
[ 1, 2, 4, 1, 5, 0, 6, 1, 5, 2, 4, 3, 3, 4, 2, 5, 1, 6, 0, 7, 1, 6, 2, 5, 3, 4, 4, 3, 5, 2, 6, 1, 7, 0, 8, 1, 7, 2, 6, 3, 5, 4, 4, 5, 3, 6, 2, 7, 1, 8, 0, 9, 1, 8, 2, 7, 3, 6, 4, 5, 5, 4, 6, 3, 7, 2, 8, 1, 9, 0, 10, 1, 9, 2, 8, 3, 7, 4, 6, 5, 5, 6, 4, 7, 3, 8, 2, 9, 1, 10, 0, 11, 1, 10, 2, 9, 3, 8, 4, 7, 5, 6, 6 ]
[ "nonn" ]
A269260
[ 19, 10, 16, 16, 20, 30, 20, 15, 30, 26, 23, 27, 19, 17, 40, 30, 13, 13, 13, 24, 28, 22, 20, 10, 20, 30, 16, 10, 40, 13, 16, 11, 39, 10, 20, 20, 30, 10, 23, 16, 15, 30, 34, 56, 19, 28, 20, 20, 30, 20, 20, 90, 87, 68, 20, 25, 20, 16, 30, 40 ]
[ "nonn", "base" ]
A049217
[ 1, 112, 14448, 2393600, 510205696, 137602949120, 46060832825344, 18793914785464320, 9198585089011778000, 5.325419604670079e+21, 3.6024926526612273e+24, 2.8172226569742324e+27, 2.5230307779977702e+30, 2.5662331983107733e+33 ]
[ "nonn", "easy" ]
A273122
[ 3, 13, 8, 35, 5, 72, -1, 88, -3, 124, -17, 148, -7, 172, 23, 132, 53, 152, 67, 152, 65, 208, 31, 212, 61, 248, 51, 240, 93, 232, 163, 224, 145, 163, 280, 289, 28, 455, -12, 469, -28, 479, 36, 417, 96, 423, 208, 269, 260, 363, 168, 561, 16, 655, 72, 397, 176 ]
[ "sign", "easy" ]
A286793
[ 1, 366, 55650, 5493004, 423998498, 28236562692, 1719625254528, 99364697625603, 5581585635090040, 309848573192308900, 17191725056094650000, 960908576231662800000, 5.44033147739912e+22, 3.132006013784615e+24, 1.838413187690127e+26, 1.1022935912713059e+28 ]
[ "nonn" ]
A002935
[ 1, 1, 2, 5, 9, 22, 62, 177, 560, 1939, 7067, 27331, 110871, 468684, 2057161, 9341736 ]
[ "nonn", "nice", "more" ]
A363820
[ 12, 23, 34, 45, 56, 67, 78, 89, 101, 212, 323, 434, 545, 656, 767, 878, 989, 1101, 2212, 3323, 4434, 5545, 6656, 7767, 8878, 9989, 11101, 22212, 33323, 44434, 55545, 66656, 77767, 88878, 99989, 111101, 222212, 333323, 444434, 555545, 666656, 777767, 888878, 999989 ]
[ "base", "nonn" ]
A105462
[ 37, 67, 233, 467, 1307, 4637, 15601, 54437, 184279, 616391, 2009011, 6568151, 21341821, 68826689, 220682383, 704456869 ]
[ "hard", "nonn" ]
A263514
[ 15, 160, 2076, 25968, 331130, 4213002, 53712998, 684799391, 8732881192, 111369466097, 1420333983945, 18114184500130, 231020023102857, 2946329450622616, 37576249111921440, 479231893077739500 ]
[ "nonn" ]
A064086
[ 3, 11, 39, 43, 151, 171, 2255, 2359, 683, 9399, 2731, 140911, 1649373, 599479, 43691, 8727391, 8965359, 174763, 9588151, 139090655, 1649061309, 572942063, 2221095391, 2796203, 613576119, 11184811, 2454285751, 36654862063, 44739243 ]
[ "easy", "nonn" ]
A327332
[ 0, 1, 3, 7, 11, 15, 21, 33, 41, 45, 51, 63, 75, 85, 101, 133, 149, 153, 159, 171, 183, 193, 209, 241, 261, 273, 291, 327, 363, 389, 431, 515, 547, 551, 557, 569, 581, 591, 607, 639, 659, 671, 689, 725, 761, 787, 829, 913, 953, 969, 993, 1041, 1085, 1109, 1149, 1229, 1277, 1309, 1357, 1453, 1549, 1613 ]
[ "nonn" ]
A384821
[ 1, 2, 5, 22, 91, 416, 1978, 9738, 49181, 253572, 1328528, 7053672, 37866294, 205188765, 1120824743, 6165155890, 34119043994, 189839648588, 1061344406923, 5959197795092, 33588952625106, 189986944364176, 1078034452020854, 6134848540680166, 35005230073846830, 200229444332667650 ]
[ "nonn" ]
A002921
[ 1, 12, 132, 1404, 14652, 151116, 1546332, 15734460, 159425580, 1609987708, 16215457188, 162961837500, 1634743178420, 16373484437340, 163778159931180, 1636328839130860 ]
[ "nonn", "nice" ]
A256984
[ 0, 0, 0, 1, 1, 2, 4, 4, 5, 7, 10 ]
[ "nonn", "more" ]
A366451
[ 4, 6, 8, 9, 11, 13, 15, 16, 18, 20, 21, 23, 25, 27, 28, 30, 32, 34, 35, 37, 39, 40, 42, 44, 46, 47, 49, 51, 52, 54, 56, 58, 59, 61, 63, 64, 66, 68, 70, 71, 73, 75, 76, 78, 80, 82, 83, 85, 87, 88, 90, 92, 94, 95, 97, 99, 101, 102, 104, 106, 107, 109, 111, 113 ]
[ "nonn" ]
A203607
[ 2, 116, 4374, 129656, 3648810, 98676048, 2608783126, 67877862300, 1746486947416, 44565435574244, 1129996780198844, 28510044909875480, 716454082168854000, 17946032127185388000, 448311886163282400000, 1.1174089403833287e+22 ]
[ "nonn" ]
A176970
[ 9, 25, 49, 121, 169, 289, 341, 361, 525, 529, 651, 765, 841, 961, 1155, 1369, 1387, 1681, 1683, 1849, 1935, 2047, 2209, 2701, 2809, 3277, 3481, 3721, 3751, 4033, 4165, 4305, 4369, 4455, 4489, 4681, 5041, 5329, 5461, 5525, 5715, 6025, 6241, 6643, 6889, 7161, 7239, 7921, 7957, 8265, 8321, 8925, 9409, 9471, 9605 ]
[ "nonn" ]
A244142
[ 0, 0, 1, 0, 0, 2, 0, 0, 6, -15, 0, 0, 18, -75, 196, 0, 0, 54, -375, 1372, -3645, 0, 0, 162, -1875, 9604, -32805, 87846, 0, 0, 486, -9375, 67228, -295245, 966306, -2599051, 0, 0, 1458, -46875, 470596, -2657205, 10629366, -33787663, 91125000 ]
[ "sign", "tabl" ]
A086800
[ 0, 1, 0, 3, 2, 0, 5, 4, 2, 0, 9, 8, 6, 4, 0, 11, 10, 8, 6, 2, 0, 15, 14, 12, 10, 6, 4, 0, 17, 16, 14, 12, 8, 6, 2, 0, 21, 20, 18, 16, 12, 10, 6, 4, 0, 27, 26, 24, 22, 18, 16, 12, 10, 6, 0, 29, 28, 26, 24, 20, 18, 14, 12, 8, 2, 0, 35, 34, 32, 30, 26, 24, 20, 18, 14, 8, 6, 0 ]
[ "easy", "tabl", "nonn" ]
A140554
[ 1, 1, 13, -11, 427, -425, 2041, -1805, 7757, -7989, 143327221, -143327219, 87795, 367817, 66653239, -67108847, 117546246127, -117546246125, 1310719999981, -1310704247039, -10301185, -5451753, 252428641478023050000, -252428641478023000000, 35917523 ]
[ "sign" ]
A267577
[ 1, 110, 11010, 1101110, 110101010, 11011111110, 1101011111010, 110111011101110, 11010101010101010, 1101111111111111200, 110101111111111110000, 1.101110111111111e+22, 1.1010101011111112e+24, 1.101111111011111e+26, 1.1010111110101111e+28 ]
[ "nonn", "easy" ]
A344214
[ 5, 11, 15, 18, 19, 20, 24, 27, 28, 33, 36, 37, 39, 42, 45, 46, 48, 51, 54, 55, 57, 60, 63, 64, 66, 69, 72, 73, 75, 78, 81, 82, 84, 87, 90, 91, 93, 96, 99, 101, 105, 108, 109, 110, 114, 117, 118, 123, 126, 127, 129, 132, 135, 136, 138, 141, 144, 145, 147, 150, 153, 154 ]
[ "nonn", "base" ]
A006826
[ 1, 3, 5, 10, 30, 210, 16353 ]
[ "dead" ]
A293175
[ 66, 81, 97, 99, 105, 110, 115, 121, 123, 124, 137, 139, 141, 149, 155, 156, 158, 159, 164, 179, 188, 239, 264, 284, 440, 496, 624, 632, 656, 752, 1056, 1136, 1760, 1984, 2496, 2528, 2624, 3008, 4224, 4544, 7040, 7936, 9984, 10112, 10496, 12032, 16896, 18176 ]
[ "nonn" ]
A145301
[ 1, 6, 42, 324, 2628, 21816, 182952, 1540944, 13002768, 109804896, 927575712, 7836761664, 66213868608, 559463573376, 4727146822272, 39941854665984, 337487851323648, 2851598575904256, 24094547371141630, 203586611176571900, 1720202912984614000 ]
[ "nonn" ]
A164430
[ 13, 21, 36, 62, 105, 178, 303, 516, 878, 1494, 2543, 4329, 7369, 12544, 21354, 36352, 61884, 105349, 179343, 305309, 519751, 884813, 1506288, 2564276, 4365376, 7431537, 12651316, 21537377, 36664853, 62417606, 106258647, 180892877 ]
[ "nonn", "easy" ]
A199300
[ 1, 21, 245, 2401, 21609, 184877, 1529437, 12353145, 98001617, 766718533, 5931980229, 45478515089, 346032180025, 2616003280989, 19668469112621, 147174406808233, 1096686708796833, 8142067989552245, 60251303122686616, 444556912229552600, 3271482918202092000 ]
[ "nonn", "easy" ]
A242064
[ 1, 2, 9, 9, 36, 36, 81, 220, 220, 386, 386, 386, 434, 521, 896, 896, 896, 1167, 1167, 1695, 2065, 2096, 2096, 2968, 2968, 2968, 2968, 3341, 4561, 4561, 4561, 4561, 4672, 4672, 5964, 6203, 7158, 8294, 8294, 8294, 8740, 8740, 10452, 10452, 11075, 11075, 12092 ]
[ "nonn" ]
A066300
[ 0, 1, 27, 1296, 100000, 11390625, 1801088541, 377801998336, 101559956668416, 34050628916015624, 13931233916552735000, 6.831675453247427e+21, 3.955759092264801e+24, 2.670419511272061e+27 ]
[ "nonn" ]
A210841
[ 0, 0, 1, 1, 3, -1, 6, -4, 10, -8, 5, -13, -1, -19, 6, -26, 14, -34, 5, -43, -5, -33, 6, -22, 18, -10, 5, 3, -9, 17, 6, 32, 22, 16, 5, -1, -13, -19, 6, -38, 26, -58, 5, -79, -17, -57, 6, -34, 30, -10, 5, 15, -21, -11, 6, -38, 34, -10, 5, 19, -25, 49, 6, 80, 38, 112 ]
[ "sign", "look", "changed" ]
A373198
[ 1, 1, 2, 2, 1, 3, 1, 3, 2, 2, 4, 3, 2, 2, 2, 4, 1, 4, 3, 1, 4, 2, 4, 5, 1, 2, 3, 1, 3, 7, 3, 3, 2, 6, 1, 3, 4, 3, 2, 4, 1, 7, 1, 3, 1, 8, 9, 2, 1, 3, 4, 1, 4, 4, 4, 4, 1, 3, 2, 2, 6, 8, 3, 1, 2, 10, 3, 5, 1, 1, 5, 4, 3, 3, 3, 3, 6, 3, 5, 7, 1, 6, 1, 5, 2, 4, 5 ]
[ "nonn" ]
A021644
[ 1, 22, 329, 4202, 49437, 554070, 6019393, 64026754, 670939973, 6954808718, 71511447657, 730821626106, 7433874254509, 75344008884166, 761482226728721, 7679159391907058, 77306290980599440, 777180486491935600 ]
[ "nonn", "easy" ]
A094287
[ 1, 1, 2, 4, 9, 21, 51, 127, 323, 835, 2188, 5798, 15510, 41822, 113531, 309937, 850118, 2340918, 6466953, 17913087, 49726649, 138287113, 385126811, 1073832695, 2996974774, 8370739326, 23394528640, 65415732100, 182989086965, 512046072481, 1433197869570 ]
[ "easy", "nonn" ]
A076842
[ 1, 1, 3, 5, 3, 9, 29, 71, 751, 5095, 117707, 8786157, 1495204807, 869159527657, 10563805576326284, 3.0584484074041413e+21, 2.194504798130962e+28, 7.884961627124649e+37, 1.6373224086129515e+50 ]
[ "nonn", "frac" ]
A069837
[ 2, 23, 223, 2237, 22273, 222323, 2222273, 22222223, 222222227, 2222222377, 22222222223, 222222223273, 2222222222273, 22222222222327, 222222222222227, 2222222222222533, 22222222222223556, 222222222222222600, 2222222222222222300, 22222222222222220000, 222222222222222230000, 2.2222222222222222e+21, 2.2222222222222223e+22 ]
[ "base", "nonn" ]
A243984
[ 1, 3, 0, 1, 6, 8, 8, 9, 9, 18, 12, 12, 14, 24, 15, 25, 18, 35, 20, 36, 28, 36, 24, 36, 31, 42, 36, 50, 30, 63, 32, 57, 44, 54, 36, 75, 38, 60, 52, 66, 42, 92, 44, 78, 69, 72, 48, 100, 57, 93, 68, 92, 54, 116, 72, 114, 76, 90, 60, 125, 62, 96, 84, 121, 84, 140, 68, 120 ]
[ "nonn", "easy" ]
A200414
[ 1, 4, 9, 6, 6, 1, 6, 7, 4, 7, 9, 9, 1, 5, 7, 4, 2, 6, 8, 6, 6, 0, 2, 8, 1, 5, 2, 6, 8, 6, 1, 3, 9, 0, 7, 0, 3, 2, 0, 0, 3, 2, 3, 5, 1, 8, 6, 6, 2, 3, 6, 8, 9, 0, 0, 0, 8, 0, 9, 1, 4, 4, 1, 1, 6, 3, 8, 0, 4, 3, 8, 2, 0, 1, 4, 0, 1, 1, 3, 3, 5, 9, 2, 7, 2, 8, 0, 0, 2, 2, 2, 3, 3, 5, 2, 4, 6, 9, 2 ]
[ "nonn", "cons" ]
A061535
[ 2, 3, 5, 8, 12, 17, 24, 33, 44, 58, 74, 95, 119, 149, 184, 226, 274, 332, 399, 477, 568, 671, 792, 930, 1088, 1269, 1474, 1707, 1973, 2271, 2608, 2986, 3415, 3895, 4434, 5036, 5710, 6461, 7299, 8229, 9260, 10407, 11681, 13083, 14639, 16354, 18250 ]
[ "nonn" ]
A240315
[ 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 6, 0, 1, 0, 0, 0, 0, 0, 10, 0, 1, 0, 0, 1, 0, 7, 10, 15, 0, 1, 0, 0, 0, 1, 0, 10, 20, 21, 0, 1, 0, 0, 1, 0, 12, 1, 30, 35, 28, 0, 1, 0, 0, 0, 0, 0, 20, 0, 56, 56, 36, 0, 1, 0, 0, 1, 1, 13, 10, 126, 21, 98, 84, 45, 0, 1 ]
[ "nonn", "tabl" ]
A255240
[ 5, 5, 4, 9, 5, 8, 1, 3, 2, 0, 8, 7, 3, 7, 1, 1, 9, 1, 4, 2, 2, 1, 9, 4, 8, 7, 1, 0, 0, 6, 4, 1, 0, 4, 8, 1, 0, 6, 7, 2, 8, 8, 8, 6, 2, 4, 7, 0, 9, 1, 0, 0, 8, 9, 3, 7, 6, 0, 2, 5, 9, 6, 8, 2, 0, 5, 1, 5, 7, 5, 3, 5, 9, 4, 2, 9, 0, 5, 3, 6, 1, 8, 5, 0, 8, 3, 7, 8, 9, 4, 7, 8, 3, 8, 5, 4, 0 ]
[ "nonn", "cons" ]
A041181
[ 1, 20, 401, 8040, 161201, 3232060, 64802401, 1299280080, 26050404001, 522307360100, 10472197606001, 209966259480120, 4209797387208401, 84405914003648140, 1692328077460171300, 33930967463207070000, 680311677341601600000 ]
[ "nonn", "frac", "easy", "less" ]
A020043
[ 1, 1, 1, 3, 11, 51, 287, 1915, 14684, 127262, 1230202, 13122150, 153091745, 1939162101, 26501882045, 388694270000, 6089543563341, 101492392722343, 1793032271428052, 33469935733323640, 658242069422031600 ]
[ "nonn" ]
A109761
[ 350, 490, 550, 650, 770, 910, 1190, 1330, 1430, 1610, 1750, 1870, 2002, 2030, 2090, 2170, 2210, 2450, 2470, 2530, 2590, 2750, 2870, 2990, 3010, 3190, 3230, 3250, 3290, 3410, 3430, 3710, 3770, 3850, 4070, 4130, 4270, 4510, 4550, 4690, 4730, 4970 ]
[ "nonn" ]
A261267
[ 2, 7, 227, 277, 727, 2027, 2207, 2707, 2777, 7027, 7207, 7727, 20707, 22027, 22277, 22727, 22777, 27077, 27277, 70207, 72077, 72227, 72277, 72707, 72727, 200227, 202277, 202777, 207227, 222007, 222707, 227027, 227207, 227707, 272227, 272777, 277007 ]
[ "nonn", "easy", "base" ]
A373310
[ 1, 2, 2, 3, 14, 48, 132, 406, 1430, 4952, 16796, 58416, 208012, 744468, 2674440, 9688043, 35357670, 129674822, 477638700, 1767128768, 6564120420, 24466875156, 91482563640, 343056839170, 1289904147324, 4861959143296, 18367353072152, 69533492095732, 263747951750360 ]
[ "nonn" ]
A222469
[ 1, 1, 0, -2, -8, -36, -200, -1328, -10224, -89360, -873152, -9425952, -111365120, -1428894656, -19781794944, -293869134848, -4662342567680, -78672085380864, -1406772851720192, -26571340011921920, -528613254534998000 ]
[ "sign", "easy", "frac" ]
A292499
[ 1, 2, 5, 28, 529, 42176, 16649389, 33736398032, 409516908802369, 28081351726592246000, 1.3485189809930562e+25, 3.9060769254069396e+31, 9.090688340191263e+38, 1.3389575662515833e+47, 1.7900373593537201e+56 ]
[ "nonn" ]
A201830
[ 10, 50, 212, 823, 3030, 10777, 37530, 128742, 437110, 1472736, 4933374, 16449879, 54649472, 181008926, 598052300, 1971884632, 6490418396, 21331768570, 70022479666, 229604183052, 752170525867, 2462061236121, 8053252606139 ]
[ "nonn" ]
A338719
[ 1, 2, 2, 3, 2, 4, 3, 4, 3, 5, 3, 5, 3, 5, 4, 6, 4, 6, 4, 6, 4, 6, 4, 7, 5, 7, 5, 7, 5, 7, 5, 8, 5, 8, 5, 8, 5, 8, 6, 8, 6, 9, 6, 9, 6, 9, 6, 9, 6, 9, 6, 10, 6, 10, 6, 10, 7, 10, 7, 10, 7, 10, 7, 11, 7, 11, 7, 11, 7, 11, 7, 11, 7, 11, 7, 11, 8, 12, 8, 12, 8, 12, 8, 12, 8, 12, 8 ]
[ "nonn", "look" ]
A172492
[ 1, 2, 24, 864, 69120, 10368000, 2612736000, 1024192512000, 589934886912000, 477847258398720000, 525631984238592000000, 7.632176411144357e+23, 1.4287434241662235e+27, 3.3804069415772844e+30 ]
[ "nonn" ]
A383514
[ 10, 14, 15, 22, 26, 33, 34, 35, 38, 39, 46, 51, 55, 57, 58, 62, 65, 69, 74, 77, 82, 85, 86, 87, 91, 93, 94, 95, 100, 106, 111, 115, 118, 119, 122, 123, 129, 130, 133, 134, 141, 142, 143, 145, 146, 155, 158, 159, 161, 166, 170, 177, 178, 182, 183, 185, 187, 190 ]
[ "nonn" ]
A156297
[ 1, 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, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
[ "nonn", "tabl" ]
A140811
[ -1, 5, 23, 53, 95, 149, 215, 293, 383, 485, 599, 725, 863, 1013, 1175, 1349, 1535, 1733, 1943, 2165, 2399, 2645, 2903, 3173, 3455, 3749, 4055, 4373, 4703, 5045, 5399, 5765, 6143, 6533, 6935, 7349, 7775, 8213, 8663, 9125, 9599, 10085, 10583, 11093, 11615 ]
[ "sign", "easy" ]
A099109
[ 11, 29, 149, 311, 617, 659, 857, 2309, 2687, 3671, 4241, 5651, 6569, 8429, 9011, 9281, 9341, 10709, 11549, 11717, 12539, 14321, 15359, 15971, 17291, 18539, 19139, 19211, 21377, 23627, 23909, 26261, 26729, 27479, 27749, 31151, 32801, 33749, 34469 ]
[ "nonn" ]
A324281
[ 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 14, 1, 16, 10, 17, 20, 13, 22, 15, 23, 18, 19, 21, 26, 24, 25, 27, 29, 28, 30, 32, 34, 31, 35, 33, 36, 37, 38, 39, 40, 41, 42, 43, 44, 47, 45, 46, 48, 49, 51, 50, 53, 52, 54, 55, 57, 56, 58, 59, 60, 62, 63, 61, 66, 65, 69, 64, 70, 67, 68, 71, 72, 73, 74, 75, 76, 78, 77, 79, 80, 81, 82, 83, 84, 85 ]
[ "base", "nonn" ]
A262411
[ 1, 3, 4, 5, 2, 6, 8, 7, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 19, 23, 21, 25, 22, 26, 24, 29, 28, 27, 30, 31, 32, 34, 33, 37, 35, 38, 39, 36, 40, 41, 42, 43, 44, 46, 45, 49, 47, 50, 48, 52, 51, 54, 53, 55, 56, 57, 59, 58, 60, 61, 62, 63, 65, 64, 68, 66 ]
[ "nonn", "base" ]
A203999
[ 1, -1, -4, -6, 1, 7, 27, 17, -1, -10, -60, -99, -36, 1, 13, 105, 279, 269, 65, -1, -16, -162, -593, -944, -609, -106, 1, 19, 231, 1077, 2405, 2610, 1218, 161, -1, -22, -312, -1767, -5092, -7865, -6264, -2226, -232, 1, 25, 405, 2699, 9541 ]
[ "tabl", "sign" ]
A045919
[ 0, 1, 2, 3, 5, 6, 8, 10, 12, 14, 17, 20, 23, 25, 28, 30, 34, 38, 40, 43, 47, 50, 54, 59, 63, 66, 71, 74, 78, 84, 87, 92, 98, 100, 105, 111, 116, 121, 128, 132, 137, 145, 150, 154, 163, 167, 172 ]
[ "easy", "nonn" ]
A149688
[ 1, 1, 5, 17, 67, 271, 1157, 4937, 21825, 96389, 434521, 1968571, 8990245, 41375157, 191270919, 889024599, 4150985027, 19444544887, 91454316291, 431301158193, 2039931318847, 9673731409131, 45972325108433, 218970817987917, 1044931492171229, 4995354248532417, 23921605100584410, 114724291332771070 ]
[ "nonn", "walk" ]
A127489
[ 2927, 12673, 48457, 136489, 342889, 745945, 1480489, 2760049, 5070049, 8292889, 12185065, 18656761, 27138729, 37294369, 53106049, 73698049, 95048089, 120087129, 153503149, 192747937, 247731385, 321039529, 396584569, 485290729 ]
[ "nonn", "less" ]
A248717
[ 12331, 13231, 13651, 21331, 23131, 23552, 25545, 26553, 31231, 31651, 32131, 32552, 34355, 34531, 34554, 35354, 35453, 35631, 36156, 36231, 43531, 45353, 46431, 53631, 54353, 54885, 55245, 55296, 59652, 61599, 63231, 64431, 87973, 95274, 122553, 125918, 126531, 126535, 126553 ]
[ "nonn", "base" ]
A364282
[ 1, 0, 0, 1, 1, 4, 11, 24, 52, 226, 969, 2281, 8960, 29898, 193202, 1075509, 3346852, 14280775, 75858992, 332978617, 2839114204, 19507400962, 75453432614, 383685116089, 2030801987312, 14025840725149, 77948290561659, 884660446815877, 7273497958681824 ]
[ "nonn" ]
A035659
[ 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 4, 5, 5, 5, 7, 8, 8, 11, 14, 15, 15, 19, 22, 23, 27, 33, 37, 38, 44, 50, 54, 60, 71, 79, 84, 94, 106, 114, 125, 143, 159, 169, 187, 208, 225, 242, 273, 302, 323, 351, 390, 421, 451, 498, 551, 590, 636, 697, 757, 807, 881, 965, 1039 ]
[ "nonn" ]
A328618
[ 1, 2, 9, 4, 25, 18, 49, 8, 3, 50, 121, 36, 169, 98, 225, 16, 289, 6, 361, 100, 441, 242, 529, 72, 625, 338, 27, 196, 841, 450, 961, 32, 1089, 578, 1225, 12, 1369, 722, 1521, 200, 1681, 882, 1849, 484, 75, 1058, 2209, 144, 2401, 1250, 2601, 676, 2809, 54, 3025, 392, 3249, 1682, 3481, 900, 3721, 1922, 147, 64, 4225, 2178, 4489, 1156, 4761, 2450, 5041, 24 ]
[ "nonn", "mult" ]
A172986
[ 0, 1, -1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 2, 1, 2, 3, 2, 4, 3, 3, 5, 4, 4, 5, 4, 5, 4, 5, 5, 5, 5, 6, 5, 6, 7, 6, 8, 7, 8, 6, 8, 7, 7, 8, 7, 8, 7, 8, 8, 8, 8, 9, 8, 9, 10, 9, 11, 10, 11, 9, 11, 10, 10, 11, 10, 11, 10, 11, 11, 11, 11, 12, 11, 12, 13, 12, 14, 13, 14, 12, 14, 13, 13, 14, 13, 14, 13 ]
[ "sign", "base", "less" ]
A366993
[ 1, 1, 1, 4, 1, 1, 1, 8, 9, 1, 1, 4, 1, 1, 1, 8, 1, 9, 1, 4, 1, 1, 1, 8, 25, 1, 27, 4, 1, 1, 1, 32, 1, 1, 1, 36, 1, 1, 1, 8, 1, 1, 1, 4, 9, 1, 1, 8, 49, 25, 1, 4, 1, 27, 1, 8, 1, 1, 1, 4, 1, 1, 9, 32, 1, 1, 1, 4, 1, 1, 1, 72, 1, 1, 25, 4, 1, 1, 1, 8, 27, 1, 1, 4 ]
[ "nonn", "easy", "mult" ]
A155913
[ 23, 29, 31, 37, 53, 59, 71, 73, 79, 113, 127, 149, 163, 167, 211, 233, 239, 251, 257, 293, 307, 347, 349, 383, 389, 419, 431, 433, 439, 479, 491, 499, 503, 509, 521, 523, 563, 569, 587, 613, 617, 619, 653, 659, 673, 677, 701, 709, 743, 761, 769, 839, 853, 857 ]
[ "nonn", "base" ]
A205190
[ 144, 168, 292, 384, 736, 896, 1568, 1920, 3392, 4224, 7520, 9344, 16608, 20608, 36608, 45440, 80736, 100224, 178080, 221056, 392768, 487552, 866272, 1075328, 1910624, 2371712, 4214016, 5230976, 9294304, 11537280, 20499232, 25446272, 45212480 ]
[ "nonn" ]
A061299
[ 720, 2880, 46080, 25920, 184320, 2949120, 129600, 414720, 11796480, 1658880, 188743680, 3732480, 2073600, 26542080, 12079595520, 14929920, 48318382080, 106168320, 8294400, 3092376453120, 1698693120, 18662400, 238878720 ]
[ "nonn" ]
A133090
[ 1, 1, 5, 3, 9, 5, 13, 7, 17, 9, 21, 11, 25, 13, 29, 15, 33, 17, 37, 19, 41, 21, 45, 23, 49, 25, 53, 27, 57, 29, 61, 31, 65, 33, 69, 35, 73, 37, 77, 39, 81, 41, 85, 43, 89, 45, 93, 47, 97, 49, 101, 51, 105, 53, 109, 55, 113, 57, 117, 59, 121, 61, 125, 63, 129, 65, 133, 67, 137, 69, 141, 71 ]
[ "nonn", "easy" ]
A129406
[ 2, 1, 2, 2, 1, 2, 1, 1, 0, 0, 2, 0, 1, 1, 1, 1, 1, 0, 1, 0, 2, 2, 0, 2, 2, 0, 2, 0, 0, 0, 2, 1, 0, 2, 2, 1, 1, 0, 0, 1, 1, 1, 0, 2, 1, 1, 1, 0, 0, 2, 2, 0, 0, 0, 0, 2, 0, 2, 2, 0, 0, 0, 0, 2, 2, 0, 0, 1, 0, 2, 1, 1, 2, 2, 2, 0, 0, 2, 2, 1, 0, 2, 0, 1, 2, 2, 2, 1, 2, 1, 1, 1, 1, 0, 2, 2, 0, 2, 1, 1 ]
[ "nonn", "base", "cons", "easy" ]
A289651
[ 0, 0, 0, 0, 2, 0, 0, 11, 11, 0, 0, 44, 61, 44, 0, 1, 170, 607, 607, 170, 1, 3, 642, 3160, 8554, 3160, 642, 3, 10, 2421, 31271, 121162, 121162, 31271, 2421, 10, 24, 9142, 183390, 1756800, 2662095, 1756800, 183390, 9142, 24, 60, 34572, 1714758, 25760875 ]
[ "nonn", "tabl" ]
A094878
[ 1, 4, 8, 21, 27, 64, 253, 1629, 4284, 4416, 5992, 19621, 78399, 204347, 298735, 848999, 1202402, 1496888, 1539370, 1987614, 2859485, 5460483, 6160282, 14539187, 22103424, 40412450, 95261053, 105703913, 105703932, 123434487 ]
[ "nonn" ]
A113754
[ 1, 30, 285, 1496, 5525, 16206, 40425, 89440, 180441, 338350, 597861, 1005720, 1623245, 2529086, 3822225, 5625216, 8087665, 11389950, 15747181, 21413400, 28686021, 37910510, 49485305, 63866976, 81575625, 103200526, 129406005, 160937560, 198628221, 243405150 ]
[ "nonn", "easy" ]
A291761
[ 1, 2, 3, 4, 3, 5, 3, 6, 7, 5, 3, 8, 3, 5, 9, 10, 3, 8, 3, 8, 9, 5, 3, 11, 7, 5, 12, 8, 3, 13, 3, 14, 9, 5, 9, 15, 3, 5, 9, 11, 3, 13, 3, 8, 16, 5, 3, 17, 7, 8, 9, 8, 3, 11, 9, 11, 9, 5, 3, 18, 3, 5, 16, 19, 9, 13, 3, 8, 9, 13, 3, 20, 3, 5, 16, 8, 9, 13, 3, 17, 21, 5, 3, 18, 9, 5, 9, 11, 3, 18, 9, 8, 9, 5, 9, 22, 3, 8, 16, 15, 3, 13, 3, 11, 23, 5, 3, 20, 3, 13 ]
[ "nonn" ]