id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A252462
[ 1, 1, 2, 2, 3, 4, 5, 4, 6, 6, 7, 8, 11, 10, 9, 8, 13, 12, 17, 12, 15, 14, 19, 16, 15, 22, 18, 20, 23, 18, 29, 16, 21, 26, 25, 24, 31, 34, 33, 24, 37, 30, 41, 28, 27, 38, 43, 32, 35, 30, 39, 44, 47, 36, 35, 40, 51, 46, 53, 36, 59, 58, 45, 32, 55, 42, 61, 52, 57, 50, 67, 48, 71, 62, 45, 68, 49, 66, 73, 48, 54, 74, 79, 60 ]
[ "nonn" ]
A039504
[ 5, 7, 9, 13, 19, 27, 35, 47, 51, 63, 75, 81, 89, 93, 107, 119, 121, 125, 133, 139, 143, 149, 159, 161, 167, 177, 181, 187, 191, 199, 203, 215, 223, 237, 241, 251, 255, 265, 271, 281, 285, 287, 297, 299, 317, 323, 333, 335, 341, 353, 355, 357, 361, 371, 375 ]
[ "nonn", "easy" ]
A386228
[ 8539, 11813, 19181, 27827, 45013, 52859, 64621, 64969, 81077, 103583, 105373, 127493, 228203, 264791, 297397, 318161, 324491, 439753, 466247, 480299, 491353, 496631, 561091, 613559, 638431, 678943, 779981, 822631, 827537, 906673, 908893, 1039477, 1046029, 1079927, 1090577, 1176871, 1220327 ]
[ "nonn", "base" ]
A078036
[ 1, -1, -2, 1, 5, 0, -11, -5, 22, 21, -39, -64, 57, 167, -50, -391, -67, 832, 525, -1597, -1882, 2669, 5361, -3456, -13391, 1551, 30238, 10289, -62027, -50816, 113765, 163659, -176714, -441083, 189769, 1058880, 61545, -2307529, -1181970, 4553513, 4671469, -7925056, -13896451, 11178643 ]
[ "sign" ]
A051166
[ 1, 0, 0, -1, 3, -6, 10, -15, 21, -29, 45, -90, 224, -609, 1677, -4559, 12135, -31542, 80086, -199035, 485469, -1165105, 2757369, -6446778, 14913052, -34175805, 77672325, -175228740, 392711166, -874901088, 1938704130, -4275110880, 9385473510, -20521355211, 44704157499, -97055415324 ]
[ "easy", "sign", "eigen" ]
A350400
[ 1, 3, 7, 11, 21, 24, 30, 60, 42, 45, 63, 75, 90, 135, 147, 198, 165, 105, 252, 264, 180, 399, 513, 375, 270, 210, 330, 405, 654, 255, 315, 345, 465, 480, 570, 555, 390, 1020, 675, 798, 777, 1110, 900, 660, 585, 525, 855, 825, 960, 630, 924, 735, 1419, 1305, 840, 975, 780, 1350, 945, 1050, 1500 ]
[ "nonn" ]
A142806
[ 191, 313, 557, 1289, 1777, 2143, 2753, 3119, 3607, 3851, 4217, 4339, 4583, 5437, 6047, 6779, 7877, 8243, 8609, 8731, 9341, 9463, 9829, 11171, 11903, 12269, 12391, 12757, 13001, 13367, 14221, 14831, 15319, 16417, 16661, 17027, 17393, 17881, 18979, 20443 ]
[ "nonn", "easy" ]
A146301
[ 21, 165, 437, 837, 1365, 2021, 2805, 3717, 4757, 5925, 7221, 8645, 10197, 11877, 13685, 15621, 17685, 19877, 22197, 24645, 27221, 29925, 32757, 35717, 38805, 42021, 45365, 48837, 52437, 56165, 60021, 64005, 68117, 72357, 76725, 81221 ]
[ "nonn", "easy" ]
A055031
[ 1, 1, 2, 37, 71, 2213, 9596, 1200305, 24684613, 287152493, 1355849266, 427675990237, 1032458258547, 228796942438201, 16841089312342856, 665478473553144000, 1653031004194447600, 631449646252135300000, 3.167496749732497e+21 ]
[ "nonn", "frac" ]
A029057
[ 1, 1, 1, 2, 2, 2, 3, 3, 4, 5, 5, 6, 8, 8, 9, 11, 12, 13, 15, 16, 18, 20, 21, 23, 27, 28, 30, 34, 36, 38, 42, 44, 48, 52, 54, 58, 64, 66, 70, 76, 80, 84, 90, 94, 100, 106, 110, 116, 125, 129, 135, 144, 150, 156, 165, 171 ]
[ "nonn", "easy" ]
A346410
[ 0, 1, 5, 22, 152, 2001, 45097, 1527506, 71864928, 4466430513, 353828600029, 34770661312190, 4148422395161464, 590479899466175700, 98824492409739430000, 1.920983877105134e+22, 4.2914884383238686e+24, 1.0918199428775269e+27, 3.1381950866444998e+29 ]
[ "nonn" ]
A217012
[ 1, 8, 25, 9, 2, 3, 4, 5, 6, 7, 24, 50, 85, 51, 26, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 49, 84, 128, 181, 129, 86, 52, 27, 11, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 22, 48, 83, 127, 180, 242 ]
[ "nonn", "easy" ]
A236387
[ 5, 6, 11, 19, 20, 26, 28, 29, 30, 39, 40, 41, 46, 51, 55, 58, 71, 86, 89, 99, 104, 109, 114, 116, 117, 125, 131, 135, 158, 177, 181, 201, 202, 203, 209, 216, 226, 236, 239, 245, 271, 278, 306, 336, 340, 352, 377, 379, 398, 410, 411, 419, 428, 442, 447, 461 ]
[ "nonn", "easy" ]
A062504
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 16, 10, 11, 12, 13, 14, 17, 18, 19, 23, 25, 27, 32, 49, 53, 64, 81, 128, 256, 512, 65536, 15, 20, 21, 22, 24, 26, 28, 29, 31, 34, 36, 37, 38, 41, 43, 46, 48, 50, 54, 59, 61, 67, 83, 97, 98, 103, 106, 121, 125, 131, 162, 169, 227, 241, 243, 289 ]
[ "nonn", "tabf" ]
A072751
[ 1, 2, 3, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 ]
[ "nonn", "nice" ]
A140687
[ 59, 151, 269, 479, 571, 991, 1109, 1201, 1319, 1621, 1831, 1949, 2251, 2579, 2671, 2789, 2999, 3209, 3301, 3511, 3931, 4049, 4259, 4561, 4679, 4889, 5099, 5309, 5519, 5821, 5939, 6359, 6451, 6569, 6661, 6779, 6871, 7829, 8039, 8669, 8761, 8971, 9181 ]
[ "nonn", "easy" ]
A336107
[ 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 2, 0, 0, 0, 1, 0, 2, 0, 2, 0, 0, 0, 4, 1, 0, 1, 2, 0, 0, 0, 1, 0, 0, 0, 4, 0, 0, 0, 4, 0, 0, 0, 2, 2, 0, 0, 5, 1, 2, 0, 2, 0, 4, 0, 4, 0, 0, 0, 6, 0, 0, 2, 1, 0, 0, 0, 2, 0, 0, 0, 9, 0, 0, 2, 2, 0, 0, 0, 5, 1, 0, 0, 6, 0, 0, 0 ]
[ "nonn" ]
A036520
[ 3, 3003, 33153, 3303735, 333336, 333039336, 13333363350, 330335331336, 3033333513330, 303313733373336, 30333330330333464, 313631353332333300, 330332337333331300, 3333043333303433000, 3.333333330453337e+21, 3.0733333373333333e+22, 3.303323343393353e+23, 3.3033333933433338e+25 ]
[ "nonn", "base" ]
A320004
[ 1, 2, 3, 4, 5, 6, 3, 7, 8, 9, 3, 10, 5, 11, 12, 13, 5, 14, 3, 15, 16, 17, 3, 18, 19, 20, 21, 22, 5, 23, 3, 24, 25, 26, 27, 28, 5, 29, 30, 31, 5, 32, 3, 33, 34, 35, 3, 36, 37, 38, 39, 40, 5, 41, 42, 43, 44, 45, 3, 46, 5, 47, 48, 49, 50, 51, 3, 52, 53, 54, 3, 55, 5, 56, 57, 58, 25, 59, 3, 60, 61, 62, 3, 63, 64, 65, 66, 67, 5, 68, 30, 69, 70, 71, 72, 73, 5, 74, 75, 76, 5, 77, 3 ]
[ "nonn" ]
A049192
[ 1, 11, 1110101, 1.1100010011010111e+27, 1.1110011101011101e+114 ]
[ "nonn", "base" ]
A132568
[ 2, 22, 724, 5468899, 41219812915806, 9.830404123951216e+27, 1.7550101856771305e+56 ]
[ "frac", "nonn" ]
A162194
[ 1, 7, 12, 15, 13, 18, 28, 24, 24, 31, 39, 42, 32, 36, 60, 31, 42, 40, 56, 72, 63, 48, 54, 48, 91, 60, 56, 90, 96, 84, 78, 72, 124, 57, 93, 72, 98, 120, 72, 120, 80, 90, 168, 96, 104, 127, 84, 144, 126, 96, 144, 195, 114, 124, 140, 96, 168, 186, 121, 126, 224, 108, 132 ]
[ "easy", "nonn" ]
A278764
[ 5, 13, 33, 83, 208, 521, 1305, 3268, 8183, 20490, 51306, 128467, 321673, 805448, 2016788, 5049902, 12644616, 31661270, 79277695, 198506027, 497045767, 1244569236, 3116317824, 7803050645, 19538315026, 48922629292, 122498979756, 306729222415, 768029383352, 1923094020999, 4815298338536 ]
[ "nonn", "easy" ]
A239495
[ 0, 0, 0, 0, 1, 1, 1, 0, 1, 2, 2, 3, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 23, 27, 32, 37, 43, 52, 59, 69, 80, 93, 108, 126, 144, 166, 192, 222, 254, 294, 334, 384, 441, 504, 575, 658, 748, 854, 972, 1106, 1254, 1428, 1617, 1834, 2077, 2350, 2656, 3007 ]
[ "nonn", "easy" ]
A331578
[ 0, 0, 0, 4, 5, 186, 847, 17928, 166833, 3196630, 45667391, 925287276, 17407857337, 393376875906, 8989368580935, 229332484742416, 6094576250570849, 174924522900914080, 5271210321949744000, 168792243040279330000, 5.674164658298121e+21, 2.008705584727681e+23 ]
[ "nonn" ]
A124426
[ 1, 2, 10, 75, 780, 10556, 178031, 3630780, 87548580, 2452523325, 78697155750, 2859220516290, 116482516809889, 5277304280371714, 264005848594606500, 14493602135008297000, 868435614538568000000, 5.652020573869368e+22 ]
[ "nonn" ]
A229905
[ 0, 1, 1, 2, 4, 10, 30, 26, 78, 156, 278, 722, 1827, 3140, 7800, 5810, 21016, 40260, 76104, 173836, 394492, 520775, 1376090, 3080882, 6887040, 12734023, 28266044, 44217698, 114969792, 211934801, 464129402, 354151217, 1360414116, 2644465928, 5134476403 ]
[ "nonn" ]
A312219
[ 1, 4, 8, 13, 21, 22, 28, 30, 35, 42, 47, 52, 52, 59, 61, 68, 76, 78, 84, 82, 92, 93, 103, 106, 108, 114, 113, 126, 129, 132, 138, 137, 149, 146, 160, 158, 162, 168, 170, 181, 183, 188, 190, 190, 203, 204, 217, 210, 218, 219 ]
[ "nonn" ]
A272473
[ 1, 3, 1, 4, 18, 7, 4, 27, 13, 2, 32, 32, 3, 52, 64, 7, 3, 62, 133, 40, 3, 99, 269, 110, 9, 5, 152, 437, 280, 48, 5, 163, 730, 669, 138, 9, 6, 258, 1243, 1318, 433, 48, 8, 343, 1823, 2670, 1239, 154, 9, 8, 408, 2949, 5240, 2849, 600, 48, 11, 632, 4577 ]
[ "nonn", "tabf" ]
A127470
[ 1, 4, 2, 9, 0, 6, 16, 12, 0, 8, 25, 0, 0, 0, 20, 36, 18, 24, 0, 0, 12, 49, 0, 0, 0, 0, 0, 42, 64, 56, 0, 48, 0, 0, 0, 32, 81, 0, 72, 0, 0, 0, 0, 0, 54, 100, 50, 0, 0, 80, 0, 0, 0, 0, 40, 121, 0, 0, 0, 0, 0, 0, 0, 0, 0, 110, 144, 108, 96, 72, 0, 72, 0, 0, 0, 0, 0, 48 ]
[ "nonn", "tabl" ]
A020757
[ 5, 8, 14, 17, 19, 23, 26, 32, 33, 35, 40, 41, 44, 47, 50, 52, 53, 54, 59, 62, 63, 68, 71, 74, 75, 77, 80, 82, 85, 86, 89, 95, 96, 98, 103, 104, 107, 109, 113, 116, 117, 118, 122, 124, 125, 128, 129, 131, 134, 138, 140, 143, 145, 147, 149, 152, 155, 158, 161, 162, 166, 167 ]
[ "nonn" ]
A001131
[ 0, 1, 2, 2, 3, 8, 14, 20, 35, 64, 122, 260, 586, 1296, 2708, 5400, 10468, 19888, 37580, 71960, 140612, 279264, 560544, 1133760, 2310316, 4750368, 9876264, 20788880, 44282696, 95241664, 206150208, 447470464, 970862029, 2100029344 ]
[ "nonn" ]
A196256
[ 6, 84, 12, 52, 19, 119, 576, 64, 192, 550, 21, 160, 156, 222, 32, 123, 663, 288, 39, 207, 68, 736, 85, 210, 460, 46, 590, 96, 315, 64, 672, 140, 189, 434, 224, 192, 319, 90, 147, 855, 84, 806, 252, 333, 738, 384, 154, 396, 517, 224, 480, 234, 133, 175 ]
[ "nonn" ]
A352871
[ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, -1, 0, 0, 0, 0, 0, -1, 0, -1, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, 0, 0, 0, -1, 0, 0, 0, -1, 0, -1, 0, 0, -1, 0, 0, -1, 0, -1, 0, 0, 0, -1, 0, 0, 0, 0, 0, -1, 0, 0, -1, 0, 0, 0, 0, 0, 0, -1, 0, -1, 0, 0, 0, 0, 0, 0 ]
[ "sign", "base", "easy" ]
A057475
[ 1, 1, 1, 2, 1, 2, 3, 3, 2, 4, 3, 4, 5, 3, 4, 8, 5, 6, 7, 5, 5, 10, 7, 7, 9, 8, 8, 12, 7, 8, 15, 10, 9, 11, 8, 12, 17, 11, 9, 16, 11, 12, 19, 11, 11, 22, 15, 14, 17, 13, 15, 24, 17, 14, 17, 15, 17, 28, 15, 16, 29, 17, 18, 24, 15, 20, 31, 21, 15, 24, 23, 24, 35, 19, 19, 28, 18, 24, 31, 22 ]
[ "nonn" ]
A333841
[ 0, 1, 2, 3, 4, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 ]
[ "nonn", "more" ]
A378128
[ 7, 6, 2, 7, 5, 9, 7, 6, 3, 5, 0, 1, 8, 1, 3, 1, 8, 8, 0, 6, 2, 3, 2, 5, 9, 8, 0, 9, 6, 3, 6, 1, 5, 7, 9, 3, 2, 9, 2, 6, 2, 9, 2, 3, 7, 3, 4, 8, 0, 7, 2, 9, 1, 5, 2, 1, 7, 0, 7, 1, 5, 9, 8, 2, 6, 4, 4, 2, 2, 6, 9, 2, 9, 5, 6, 2, 5, 6, 1, 9, 2, 1, 9, 5, 4, 6, 6, 1, 4, 6 ]
[ "nonn", "cons", "easy" ]
A360446
[ 1, 1, 0, 1, -3, 18, -128, 1132, -11812, 142342, -1943608, 29647946, -499539274, 9211833980, -184511226396, 3988612069192, -92549005782872, 2294158840990112, -60504468236412690, 1691556804706654000, -49971227404392210000, 1.5553734585845177e+21 ]
[ "sign" ]
A273198
[ 1, -2, 296, -327984, 1363872384, -15198541159680, 372495898187043840, -1.7616182020373077e+22, 1.4643702169562934e+27, -1.9949975893627702e+32, 4.218190358477641e+37, -1.3251216132203374e+43 ]
[ "sign" ]
A246234
[ 2431106898187968000, 25830510793247160000, 121150160426367070000, 478913588068635700000, 1.8485226504268525e+21, 6.067325851827648e+21, 1.9158973516499433e+22, 5.988209587689376e+22, 1.738015546577537e+23, 4.872958494485759e+23 ]
[ "nonn" ]
A373067
[ 1, 0, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 8, 8, 10, 11, 13, 14, 17, 18, 21, 23, 26, 28, 32, 34, 39, 42, 47, 51, 58, 62, 70, 76, 85, 92, 103, 111, 124, 134, 148, 160, 177, 190, 210, 226, 248, 267, 293, 315, 345, 371, 405, 436, 476, 511, 557, 599, 651, 700, 760, 816 ]
[ "nonn" ]
A259388
[ 0, 1, 2, 3, 4, 6, 109, 246, 282, 564, 701, 22386, 32152, 41667, 47653, 48553, 1142597, 1313858, 1412768, 1677684, 12607012902, 19671459008, 20134447808, 24208576998, 24863844904, 26358878059 ]
[ "nonn", "base" ]
A080309
[ 3, 5, 6, 9, 10, 12, 15, 17, 24, 25, 27, 30, 33, 34, 39, 40, 42, 45, 48, 50, 51, 60, 63, 65, 66, 68, 69, 70, 72, 75, 78, 80, 81, 95, 96, 111, 119, 120, 123, 125, 126, 129, 130, 132, 135, 136, 144, 159, 160, 174, 175, 177, 180, 183, 185, 186, 187, 189, 190, 192, 195, 204 ]
[ "nonn" ]
A233296
[ 0, 1, 1, 2, 1, 2, 2, 2, 2, 3, 3, 4, 2, 2, 5, 4, 1, 6, 1, 2, 5, 4, 4, 4, 3, 3, 2, 4, 6, 5, 4, 5, 6, 7, 7, 6, 5, 8, 6, 4, 5, 7, 8, 4, 6, 7, 6, 10, 7, 4, 8, 11, 9, 11, 6, 5, 5, 8, 8, 10, 5, 7, 10, 10, 11, 7, 6, 6, 12, 6, 10, 11, 6, 11, 7, 11, 8, 12, 7, 7, 9, 13, 9, 10, 14, 7, 13, 8, 10, 11, 9, 14, 10, 14, 17, 14, 13, 8, 12, 12 ]
[ "nonn" ]
A347876
[ 0, 0, 1, 0, 2, 7, 4, 4, 0, 8, 7, 25, 8, 18, 18, 0, 8, 32, 13, 26, 26, 21, 18, 35, 0, 26, 32, 60, 14, 48, 26, 26, 41, 22, 41, 32, 128, 35, 60, 36, 26, 88, 49, 63, 98, 48, 41, 3073, 128, 1024, 48, 32, 22, 78, 48, 78, 71, 36, 35, 138, 1024, 88, 228, 0, 63, 103, 193, 64, 88, 103, 48, 100, 2048, 386, 3073, 69, 88, 138, 71 ]
[ "nonn" ]
A236415
[ 0, 6, 3, 15, 741, 153, 25878, 3828, 16653, 253, 4753, 23653, 6328, 53956, 9730, 191890, 21115, 140185, 1225, 26335, 317206, 3160, 38503, 2108431, 37950, 121278, 1440905403, 53483653, 201733741, 58595725, 22663524351, 787786971, 23483020686, 1475521326 ]
[ "nonn" ]
A227025
[ 3, 7, 7, 12, 26, 12, 18, 72, 72, 18, 25, 171, 335, 171, 25, 33, 368, 1366, 1366, 368, 33, 42, 729, 4948, 10050, 4948, 729, 42, 52, 1343, 16115, 65317, 65317, 16115, 1343, 52, 63, 2325, 47659, 375270, 786154, 375270, 47659, 2325, 63, 75, 3819, 129463, 1924848 ]
[ "nonn", "tabl" ]
A069309
[ 341, 7556, 172143, 3958316, 91369811, 2112274668, 48861110849, 1130534931080, 26160665637805, 605385196535596, 14009490587031168, 324202249915245950, 7502586497280932000, 173622714928362700000, 4.017929413014869e+21, 9.298184468939545e+22 ]
[ "nonn" ]
A075272
[ 1, 2, 6, 34, 422, 11586, 678982, 82653026, 20565923814, 10362872458882, 10517568142605446, 21434335059927667000, 8.755867853685746e+22, 7.162285734463692e+26, 1.172537114017583e+31 ]
[ "nonn", "easy" ]
A158799
[ 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 ]
[ "nonn", "easy" ]
A356162
[ 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1 ]
[ "nonn" ]
A080224
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 2, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 3, 0, 0, 0, 2, 0, 1, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 2, 0, 1, 0, 0, 0, 4, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 5, 0, 0, 0, 0, 0, 1, 0, 3, 0, 0, 0, 3, 0, 0, 0, 1, 0, 3, 0, 0, 0, 0, 0, 4, 0, 0, 0, 2, 0, 1, 0, 1, 0 ]
[ "nonn" ]
A313239
[ 1, 4, 9, 15, 20, 24, 29, 35, 39, 42, 49, 56, 58, 61, 68, 75, 79, 82, 87, 92, 97, 103, 108, 112, 116, 121, 127, 133, 137, 139, 145, 153, 157, 160, 165, 171, 175, 179, 186, 191, 194, 199, 205, 210, 214, 219, 224, 229, 234, 238 ]
[ "nonn" ]
A057937
[ 3, 3, 4, 2, 5, 5, 5, 3, 5, 6, 5, 5, 5, 4, 7, 3, 4, 6, 5, 4, 8, 6, 4, 4, 6, 5, 6, 6, 4, 10, 6, 4, 8, 6, 11, 8, 5, 4, 9, 6, 7, 7, 10, 5, 12, 7, 4, 6, 12, 11, 8, 5, 7, 9, 13, 8, 9, 7, 7, 9, 4, 6, 14, 4, 9, 12, 6, 5, 8, 10, 5, 9, 6, 4, 11, 7, 12, 10, 7, 6, 10, 6, 5, 12, 8, 6, 8, 5, 8, 14, 11, 6, 9, 6, 11 ]
[ "nonn" ]
A110167
[ 1, 3, 12, 51, 226, 1026, 4733, 22083, 103914, 492228, 2344035, 11211210, 53817063, 259135299, 1251074772, 6053946531, 29354128498, 142584834924, 693691007267, 3379680991356, 16486985580693, 80521218046569, 393674826425462 ]
[ "easy", "nonn" ]
A082314
[ 0, 1, 2, 3, 4, 5, 8, 7, 6, 9, 11, 10, 12, 13, 21, 22, 20, 17, 18, 19, 16, 14, 15, 23, 28, 25, 30, 33, 24, 29, 26, 31, 34, 27, 32, 35, 36, 58, 62, 59, 63, 64, 57, 61, 54, 45, 48, 55, 46, 49, 50, 56, 60, 53, 44, 47, 51, 42, 37, 39, 52, 43, 38, 40, 41, 65, 79, 70, 84, 93 ]
[ "nonn" ]
A305225
[ 4, 21, 24, 54, 108, 236, 509, 1091, 2363, 5109, 11034, 23867, 51606, 111571, 241263, 521680, 1128006, 2439107, 5274072, 11404090, 24659080, 53320283, 115294335, 249300825, 539062799, 1165614674, 2520407019, 5449872468, 11784251403 ]
[ "nonn" ]
A154170
[ 7, 6, 8, 6, 2, 1, 7, 8, 6, 8, 4, 0, 2, 4, 0, 8, 2, 5, 7, 3, 6, 3, 0, 2, 2, 9, 8, 9, 0, 2, 3, 5, 9, 5, 0, 4, 1, 0, 9, 0, 3, 4, 4, 9, 2, 6, 2, 6, 4, 3, 4, 1, 3, 8, 1, 6, 0, 3, 8, 2, 2, 0, 5, 8, 8, 6, 4, 7, 5, 4, 4, 5, 9, 6, 9, 8, 4, 1, 6, 1, 5, 2, 8, 6, 0, 3, 4, 4, 1, 5, 9, 5, 5, 2, 4, 6, 0, 7, 4 ]
[ "nonn", "cons" ]
A182556
[ 1, 7, 45, 291, 2033, 10327, 55901, 377971, 2580161, 13329991, 68092909, 475337827, 3047910961, 21335374615, 108342024605, 611555770419, 4227169747201, 22855656310535, 114836769975597, 592467546841635, 4147130288467697, 24449879086004056, 171122765320764260 ]
[ "nonn", "base", "easy" ]
A387881
[ 1, 2, 4, 6, 8, 12, 16, 18, 20, 24, 30, 32, 36, 40, 48, 54, 56, 60, 64, 72, 80, 84, 90, 96, 100, 108, 112, 120, 126, 128, 140, 144, 150, 160, 162, 168, 176, 180, 192, 200, 210, 216, 224, 240, 252, 256, 264, 270, 280, 288, 300, 320, 324, 336, 352, 360, 378, 384 ]
[ "nonn" ]
A053583
[ 3, 13, 113, 2113, 12113, 612113, 11612113, 1611612113, 111611612113, 1111611612113, 81111611612113, 2181111611612113, 132181111611612110, 11132181111611611000, 3.411132181111612e+21, 4.134111321811116e+23, 1.241341113218111e+25 ]
[ "base", "nonn" ]
A022201
[ 1, 88573, 5883904390, 360801469802830, 21571273555248780000, 1.2790255229113656e+24, 7.562891972200433e+28, 4.467854961017673e+33, 2.6386258373638534e+38 ]
[ "nonn", "easy" ]
A106724
[ 3307, 4447, 14369, 14387, 27143, 106187, 200171, 200177, 210101, 210109, 550063, 710641, 710663, 799949, 799961, 851197, 851203, 1045117, 1063441, 1101169, 1102117, 1104203, 1104209, 1133621, 1133623, 1245421, 1245449, 1436089 ]
[ "base", "nonn" ]
A076197
[ 5, 7, 21, 33, 153, 167, 171, 391, 789, 1323, 2645, 8655, 10153, 39967, 45369, 47599 ]
[ "nonn", "more" ]
A061197
[ 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 2, 1, 1, 0, 0, 1, 2, 1, 1, 0, 0, 2, 2, 2, 1, 1, 0, 0, 1, 3, 2, 2, 1, 1, 0, 0, 1, 3, 4, 2, 2, 1, 1, 0, 0, 0, 3, 4, 4, 2, 2, 1, 1, 0, 0, 0, 3, 5, 5, 4, 2, 2, 1, 1, 0, 0, 0, 3, 5, 6, 5, 4, 2, 2, 1, 1, 0, 0, 0, 2, 7, 7, 7, 5, 4, 2, 2, 1, 1, 0, 0, 0, 2, 6, 9, 8, 7, 5, 4, 2, 2, 1, 1 ]
[ "nonn", "tabl" ]
A077402
[ 0, 0, 0, 1, 0, 2, 1, 2, 0, 1, 0, 2, 1, 0, 2, 3, 0, 4, 1, 2, 0, 1, 2, 0, 3, 4, 0, 1, 0, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 0, 2, 3, 3, 2, 1, 1, 2, 3, 3, 2, 3, 0, 18, 1, 2, 0, 1, 2, 4, 1, 2, 2, 1, 2, 4, 1, 2, 0, 3, 2, 4, 1, 2, 2, 3, 2, 4, 17, 18, 0, 1, 0, 2, 1, 1, 2, 1, 1, 3, 1, 0, 2, 1, 1, 16, 1, 1, 2, 2, 0, 2, 4, -1, 16, 3, 15, 2, 1, 1, 2, 1, 0, 3, 3, 3, 2, 1, 1, 16, 1 ]
[ "base", "sign" ]
A252792
[ 2, 3, 6, 12, 15, 16, 30, 54, 244, 850, 1488 ]
[ "nonn" ]
A038726
[ 1, 10, 90, 730, 5930, 47690, 384090, 3075610, 24663210, 197117210, 1576845050, 12589411530, 100567197770, 802350892730, 6403639865530 ]
[ "nonn", "more", "walk" ]
A072307
[ 4, 13, 43, 73, 117, 141, 113, 192, 185, 217, 264, 290, 427, 367, 517, 526, 519, 530, 692, 628, 684, 588, 720, 795, 786, 793, 736, 910, 1004, 1009, 946, 1054, 1330, 1087, 1135, 1134, 1172, 1253, 1299, 1193, 1406, 1502, 1552, 1321, 1377, 1829, 1683, 1731, 1582 ]
[ "base", "nonn" ]
A295436
[ 1, 110, 31878, 10550540, 3693446214, 1333894333860, 491399166995100, 183538361769733100, 69248533171932260000, 2.633034761887797e+22, 1.0073025233727857e+25, 3.8727228231913697e+27, 1.4950407842491872e+30, 5.791432822694566e+32 ]
[ "nonn" ]
A046514
[ 679, 688, 697, 769, 796, 868, 886, 967, 976, 1679, 1688, 1697, 1769, 1796, 1868, 1886, 1967, 1976, 2379, 2388, 2397, 2468, 2486, 2648, 2684, 2688, 2739, 2777, 2793, 2838, 2846, 2864, 2868, 2883, 2886, 2937, 2973, 3279, 3288, 3297, 3367, 3376, 3448 ]
[ "nonn", "base" ]
A150293
[ 1, 2, 6, 23, 94, 391, 1674, 7340, 32810, 148460, 677221, 3113945, 14427443, 67248566, 314944257, 1480937061, 6990005401, 33106706997, 157268520653, 748999807143, 3575464723018, 17104963318797, 81991933706087, 393724722012390, 1893722027888591, 9122010044437448, 44001916585556280, 212527283465755900 ]
[ "nonn", "walk" ]
A281931
[ 0, 1, 20, 312, 3573, 31410, 252630, 1925590, 14065552, 99735307, 691339079, 4705890596, 31562889402, 209107683151, 1370993621183, 8908621893421, 57438444240641, 367809712917088, 2341050421702590, 14819986285211520 ]
[ "nonn" ]
A169119
[ 1, 10, 90, 810, 7290, 65610, 590490, 5314410, 47829690, 430467210, 3874204890, 34867844010, 313810596090, 2824295364810, 25418658283290, 228767924549610, 2058911320946490, 18530201888518410, 166771816996665700 ]
[ "nonn" ]
A147915
[ 1, 2, 6, 24, 96, 444, 2508, 13216, 74772, 490758, 3432594, 29784866, 218746780, 1711675050, 14763495624, 145575514096 ]
[ "nonn" ]
A145854
[ 0, 2, 3, 3, 1, 1, 3, 1, 29, 1, 3, 1, 18, 16, 1, 1, 2, 4, 2, 1, 77, 8, 1, 1, 1, 1, 1, 1, 1, 4, 2, 1, 3, 6, 1, 6, 1, 11, 1, 2, 10, 1, 5, 3, 1, 2, 2, 1, 1, 10, 4, 9, 1, 13, 1, 7, 1, 1, 27, 2, 1, 2, 1, 1, 3, 1, 1, 4, 1, 2, 24, 1, 12, 4, 1 ]
[ "cofr", "easy", "nonn" ]
A229651
[ 1, 4, 28, 232, 2092, 19864, 195352, 1970896, 20275660, 211823800, 2240795888, 23951292204, 258255572584, 2805537209648, 30675548482880, 337307986673572, 3727607821613388, 41377406950962504, 461130952671387600, 5157535231753965000 ]
[ "nonn", "walk" ]
A111547
[ 1, 4, 23, 165, 1383, 13083, 136863, 1562715, 19301319, 256191363, 3636036783, 54956529675, 881578601559, 14964805041363, 268105552191423, 5057384615702235, 100224731537223400, 2082402995330966000 ]
[ "nonn" ]
A326144
[ 1, 1, 2, 1, 4, 0, 6, 1, 1, 2, 10, 2, 12, 4, 6, 1, 16, 3, 18, 2, 10, 8, 22, 6, 1, 10, 2, 14, 28, 12, 30, 1, 18, 14, 22, 1, 36, 16, 22, 10, 40, 12, 42, 2, 6, 20, 46, 14, 1, 1, 30, 2, 52, 12, 38, 2, 34, 26, 58, 6, 60, 28, 2, 1, 46, 12, 66, 2, 42, 4, 70, 3, 72, 34, 2, 2, 58, 12, 78, 2, 1, 38, 82, 14, 62, 40, 54, 2, 88, 6, 70, 2 ]
[ "nonn" ]
A382620
[ 1, 24, 72576, 4528742400, 2423748096000000, 6.787796602812826e+21, 7.277535143597546e+28, 2.4108181762896507e+36, 2.1116008806807476e+44, 4.345050612499018e+52, 1.9145311724106593e+61 ]
[ "nonn" ]
A384004
[ 1, 2, 4, 8, 6, 10, 22, 12, 44, 18, 24, 50, 98, 36, 48, 54, 224, 30, 42, 70, 108, 66, 78, 162, 102, 60, 138, 84, 174, 260, 132, 90, 126, 228, 354, 120, 234, 168, 350, 306, 150, 516, 408, 180, 252, 552, 696, 294, 240, 336, 612, 378, 270, 1416, 300, 702, 1332, 360 ]
[ "nonn" ]
A077796
[ 3, 5, 17, 39, 41, 425, 561, 1775, 2043, 11031, 16233, 23705 ]
[ "more", "nonn", "base" ]
A173998
[ 3, 13, 83, 673, 6203, 61613, 642683, 6940673, 76930803, 870136013, 10002590883, 116521027873, 1372486213803, 16318813519213, 195599588228683, 2360929398934273, 28671940652447204, 350089944825571200, 4295280755452388000, 52926654021145264000 ]
[ "nonn" ]
A194575
[ 1, 5, 194, 110064, 1237399743, 230795314260831, 443383367826271440000, 7.112925826561472e+27 ]
[ "nonn" ]
A203739
[ 111916, 1868452, 24571387, 240425612, 1908258519, 12852015708, 75830205850, 399483991424, 1908845910085, 8365025807282, 33942674477581, 128468487589144, 456538052055384, 1531569121486024, 4874303835461125, 14778615854653562 ]
[ "nonn" ]
A076728
[ 0, 1, 12, 144, 2000, 32400, 605052, 12845056, 306110016, 8100000000, 235794769100, 7492001071104, 258071096741328, 9581271191425024, 381454233398437500, 16212958658533786000, 732780301186512800000, 3.509602448691574e+22, 1.775645341922276e+24 ]
[ "nonn" ]
A212258
[ 0, 0, 1, 6, 25, 105, 490, 2548, 14698, 93420, 649715, 4912776, 40154387, 352937312, 3320636540, 33305992320, 354819046132, 4001699525376, 47637151241125, 596958623741440, 7855611484697773, 108314507544748030, 1561635447992241200, 23498865431367684000 ]
[ "nonn" ]
A275615
[ 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8, 1, 9, 8 ]
[ "nonn", "cons", "easy" ]
A116102
[ 16, 1337032, 2084503, 2953232, 4023943, 1330033613070195200, 4036108433661798400, 8283744867954115000, 6.247320195351415e+30, 9.452080202814205e+30 ]
[ "nonn", "base" ]
A264395
[ 0, 1, 2, 5, 8, 14, 23, 37, 55, 84, 121, 175, 247, 346, 476, 654, 881, 1184, 1574, 2081, 2725, 3559, 4605, 5939, 7610, 9713, 12327, 15598, 19631, 24633, 30780, 38342, 47577, 58884, 72615, 89324, 109539, 133998, 163455, 198949, 241505, 292550, 353547, 426394 ]
[ "nonn" ]
A236685
[ 14, 17, 43, 57, 75, 78, 93, 102, 138, 139, 149, 152, 165, 167, 176, 177, 196, 228, 248, 253, 265, 276, 289, 347, 351, 352, 357, 382, 395, 424, 430, 432, 437, 438, 449, 455, 456, 462, 477, 489, 492, 502, 511, 554, 570, 605, 634, 649, 656, 679, 682 ]
[ "nonn", "base" ]
A020457
[ 11, 19, 191, 199, 911, 919, 991, 1999, 9199, 11119, 19919, 19991, 91199, 99119, 99191, 99991, 111119, 111191, 111919, 119191, 191119, 191911, 191999, 199999, 911111, 919111, 991999, 999199, 1111991, 1191119, 1191191, 1191199, 1191991, 1199999 ]
[ "nonn", "base" ]
A226262
[ 42, 10080, 1666560, 239984640, 32509919232, 4278724853760, 555283403243520, 71565974364487680, 9191877617198825000, 1.1785749931093289e+21, 1.5098663176631105e+23, 1.9334549981260177e+25, 2.4753512058059183e+27, 3.168788011671168e+29 ]
[ "nonn" ]
A280256
[ 2, 9, 6561, 25937424601, 1853020188851841, 5.814973700304006e+25, 5.411695603795211e+28, 2.787593149816328e+42, 2.4650347049580673e+54, 2.8527391772372387e+56 ]
[ "nonn" ]
A157759
[ 500001, 21898963, 74859849, 159382659, 275467393, 423114051, 602322633, 813093139, 1055425569, 1329319923, 1634776201, 1971794403, 2340374529, 2740516579, 3172220553, 3635486451, 4130314273, 4656704019, 5214655689, 5804169283 ]
[ "nonn", "easy" ]
A136653
[ 1, 1, 1, 4, 39, 748, 27162, 1880872, 252273611, 66358216668, 34506398937158, 35644762692112790, 73356520492898450000, 3.012745592256934e+23, 2.471654510727312e+27, 4.052770818335872e+31, 1.3285792160482842e+36 ]
[ "nonn" ]
A102071
[ 1, 3, 7, 17, 42, 106, 272, 708, 1865, 4963, 13323, 36037, 98123, 268737, 739833, 2046207, 5682915, 15842505, 44315637, 124348275, 349911204, 987212856, 2791964574, 7913642086, 22477090679, 63964370301, 182353459733, 520735012027, 1489362193002, 4266018891562, 12236183875496, 35142703099692, 101055137177563 ]
[ "nonn", "easy" ]
A227292
[ 1, 0, 1, 1, 5, 16, 80, 436, 2786, 19538, 147771, 1182095, 9890463, 85866068, 769212600, 7080642324, 66754295740, 642857161008, 6309892895338, 6300760829973, 639049976047882, 6574281878157350, 68519019810831410, 722711344283052500, 7707346411412142000, 83037096707432140000 ]
[ "nonn" ]
A205829
[ 30, 111, 423, 1611, 6132, 23340, 88839, 338148, 1287093, 4899063, 18647307, 70977258, 270160788, 1028313201, 3914069274, 14898124683, 56706742659, 215842915227, 821563042932, 3127115999160, 11902743868935, 45305422519512 ]
[ "nonn" ]
A208468
[ 5, 203, 20746, 4132120, 1358524513, 671329819215, 468215145028629, 440379520700561500, 539586833002472540000, 8.381563775102072e+23, 1.6145689866643044e+27, 3.787532565162729e+30 ]
[ "nonn" ]