N8Programs/oeis-enhanced · Datasets at Hugging Face

id stringlengths 7 11	seq listlengths 1 347	keywords listlengths 1 8 ⌀
A020017	[ 1, 0, 0, 1, 3, 13, 67, 425, 3103, 25751, 239483, 2466678, 27873456, 342843514, 4559818741, 65205407995, 997642742322, 16261576699844, 281325276907304, 5148252567403659, 99361274550890610, 2017033873383079400 ]	[ "nonn" ]
A141340	[ 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 18, 24, 30, 36, 42, 48, 60, 90, 210 ]	[ "nonn", "nice", "fini", "full" ]
A108284	[ 1, 3, 2, 6, 11, 6, 10, 39, 54, 24, 15, 114, 304, 324, 120, 21, 300, 1384, 2664, 2280, 720, 28, 741, 5598, 17364, 25800, 18360, 5040, 36, 1757, 21054, 99012, 227400, 273720, 166320, 40320, 45, 4052, 75504, 518592, 1728816, 3131400, 3...	[ "nonn", "tabl" ]
A219823	[ 10, 38, 394, 2673, 16137, 84635, 413442, 1912366, 8425696, 35383400, 141858436, 544443510, 2006445992, 7121107189, 24402982732, 80928306022, 260243950300, 812904264463, 2470292341436, 7313266754655, 21119194519639, 59559203039353 ]	[ "nonn" ]
A034687	[ 1, 15, 275, 5500, 115500, 2502500, 55412500, 1246781250, 28398906250, 653174843750, 15141780468750, 353308210937500, 8289154179687500, 195387205664062500, 4624163867382813000, 109823891850341800000 ]	[ "easy", "nonn" ]
A157934	[ 54, 66, 90, 156, 240, 270, 306, 474, 570, 576, 636, 750, 780, 1080, 1320, 1350, 2034, 2154, 2406, 2700, 2760, 3204, 3240, 3306, 3480, 3516, 3756, 3774, 3984, 4056, 4086, 4140, 4146, 4176, 4716, 4734, 4794, 5154, 5370, 5424, 5550, 5664...	[ "nonn" ]
A111808	[ 1, 1, 1, 1, 2, 3, 1, 3, 6, 7, 1, 4, 10, 16, 19, 1, 5, 15, 30, 45, 51, 1, 6, 21, 50, 90, 126, 141, 1, 7, 28, 77, 161, 266, 357, 393, 1, 8, 36, 112, 266, 504, 784, 1016, 1107, 1, 9, 45, 156, 414, 882, 1554, 2304, ...	[ "nonn", "tabl" ]
A167005	[ 1, 9, 243, 59076, 111615732, 1491228760410, 142100883744107230, 1.0072696006107288e+23, 5.513583138986241e+29, 2.3916527760781823e+37 ]	[ "nonn" ]
A043080	[ 1, 2, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 101, 112, 123, 134, 145, 156, 167, 178, 189, 200, 1001, 1011, 1021, 1031, 1041, 1051, 1061, 1071, 1081, 1091, 1102, 1112, 1122, 1132, 1142, 1152, 1162, 1172, 1182, 1192, 1203, 1213, ...	[ "nonn", "base" ]
A181463	[ 60, 62, 121, 123, 184, 243, 245, 365, 367, 426, 428, 487, 489, 550, 609, 611, 794, 1036, 1099, 1160, 1219, 1221, 1343, 1463, 1585, 1646, 1709, 1768, 1770, 1951, 2014, 2073, 2256, 2319, 2439, 2441, 2500, 2561, 2624, 2807, 2927, 3173, ...	[ "fini", "full", "nonn" ]
A255360	[ 1, 1, 2.631308369336935e+35 ]	[ "nonn" ]
A210223	[ 1, 2, 1, 2, 5, 1, 2, 7, 10, 1, 2, 7, 22, 17, 1, 2, 7, 26, 57, 26, 1, 2, 7, 26, 89, 126, 37, 1, 2, 7, 26, 97, 266, 247, 50, 1, 2, 7, 26, 97, 346, 695, 442, 65, 1, 2, 7, 26, 97, 362, 1127, 1618, 737, 82, 1, 2...	[ "nonn", "tabl" ]
A295099	[ 1, 2, 11, 96, 1145, 17320, 317547, 6843872, 169603793, 4752704160, 148631984075, 5132717953792, 194022218612169, 7969667589513344, 353510496652374660, 16842274069331520000, 857827370723082400000, 4.6516913938434655e+22, 2.675772791433589e+24, 1.6274283154509447e+26 ]	[ "nonn" ]
A076615	[ 1, 1, 2, 2, 16, 40, 80, 80, 11360, 55040, 253440, 1056000, 3801600, 10982400, 21964800, 21964800, 857213660160, 7907423180800, 72155129446400, 645950912921600, 5622693241651200, 47110389109555200, 375570435981312000, 2811021970538496000, 19445103757787136000 ]	[ "nonn" ]
A088396	[ 7, 8, 0, 4, 5, 0, 1, 2, 0, 7, 0, 0, 4, 5, 0, 1, 2, 0, 7, 8, 0, 0, 5, 0, 1, 2, 0, 25, 8, 0, 4, 5, 0, 1, 2, 0, 0, 8, 0, 4, 5, 0, 1, 0, 0, 7, 26, 0, 49, 5, 0, 1, 2, 0, 0, 125, 0, 4, 68, 0, 1, 2, ...	[ "nonn" ]
A042458	[ 27, 28, 55, 963, 1018, 6053, 31283, 37336, 665995, 703331, 1369326, 74646935, 76016261, 150663196, 2637290593, 2787953789, 16577059538, 85673251479, 102250311017, 1823928538768, 1926178849785, 3750107388553, 204431977831647, 208182085220200, 412614063051847 ]	[ "nonn", "frac", "easy" ]
A264191	[ 4, 18, 81, 360, 1600, 6760, 28561, 120666, 509796, 2159850, 9150625, 38768400, 164249856, 695767824, 2947295521, 12484841330, 52886200900, 224029644930, 949005240561, 4020052555512, 17029223715904, 72136947419128 ]	[ "nonn" ]
A125911	[ 1, 2, 1, 8, 1, 12, 1, 64, 1, 20, 1, 576, 1, 28, 1, 1024, 1, 216, 1, 1600, 1, 44, 1, 110592, 1, 52, 1, 3136, 1, 3600, 1, 32768, 1, 68, 1, 373248, 1, 76, 1, 512000, 1, 7056, 1, 7744, 1, 92, 1, 84934656, 1, 1000, 1, 1...	[ "nonn" ]
A061003	[ 0, 1, 10, 41, 125, 311, 672, 1311, 2362, 4000, 6442, 9953, 14852, 21513, 30375, 41943, 56794, 75583, 99044, 128000, 163364, 206145, 257454, 318505, 390625, 475255, 573956, 688415, 820446, 972000, 1145166, 1342177, 1565416, 1817417 ]	[ "nonn", "easy" ]
A170283	[ 1, 34, 1122, 37026, 1221858, 40321314, 1330603362, 43909910946, 1449027061218, 47817893020194, 1577990469666402, 52073685498991260, 1718431621466711800, 56708243508401490000, 1.8713720357772491e+21, 6.175527718064922e+22 ]	[ "nonn" ]
A081808	[ 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, 1610612736, 3221225472 ]	[ "nonn", "easy" ]
A293923	[ 1, 1279, 210308, 16616820, 938674704, 44808906240, 1968764070096, 83741573885052, 3550701549583204, 152621531791333540, 6715538352190953000, 304192204692846150000, 1.42282033771141e+22, 6.882428160964542e+23, 3.444871028368884e+25 ]	[ "nonn" ]
A134678	[ 1, 4, 6, 9, 12, 15, 21, 30, 42, 45, 60, 75, 90, 105, 150, 165, 195, 210, 270, 285, 315, 390, 420, 510, 525, 630, 735, 840, 945, 1050, 1155, 1365, 1680, 1785, 1995, 2205, 2310, 2730, 3045, 3255, 3465, 3885, 3990, 4095, 4620, 53...	[ "nonn" ]
A324582	[ 2, 6, 36, 30, 300, 15000, 1260, 42000, 2940, 288120, 21176820, 18480, 66555720, 328703760, 12298440, 2232166860, 360122920080, 360360, 103062960, 22107004920, 4215068938080, 129290917072196880, 3.525159950945805e+21, 9.010749479611347e+25, 645822919595173400, 725322...	[ "nonn" ]
A039477	[ 54, 114, 175, 235, 296, 356, 417, 477, 494, 505, 516, 527, 549, 560, 571, 582, 593, 594, 595, 596, 597, 599, 600, 601, 602, 603, 659, 719, 780, 840, 901, 961, 1022, 1082, 1143, 1203, 1214, 1225, 1236, 1247, 1254, 1255, 1256, 1257,...	[ "nonn", "base", "easy" ]
A213226	[ 1, 1, 2, 7, 27, 122, 607, 3208, 17688, 99803, 571238, 3292738, 19001315, 109303307, 624615928, 3537913240, 19843769848, 110273489737, 608712132055, 3355449334452, 18624818099047, 105191779542849, 610586100129734, 3662333209225714, 22652502251884320 ]	[ "nonn" ]
A097831	[ 1, 18, 306, 5185, 87840, 1488096, 25209793, 427078386, 7235122770, 122570008705, 2076455025216, 35177165419968, 595935357114241, 10095723905522130, 171031371036762000, 2897437583719431000, 49085407552193570000 ]	[ "nonn", "easy" ]
A224350	[ 21, 441, 5840, 57387, 495985, 4231138, 37433596, 342170839, 3178789749, 29672959682, 277160393375, 2589242347971, 24204240827093, 226449704878547, 2120085885822119, 19857888410207652, 186050078426398270 ]	[ "nonn" ]
A326150	[ 9, 30, 49, 63, 65, 81, 84, 108, 125, 150, 154, 165, 169, 190, 198, 200, 259, 264, 273, 333, 351, 361, 364, 385, 390, 435, 442, 468, 481, 490, 495, 506, 525, 561, 580, 595, 609, 624, 630, 658, 675, 700, 714, 741, 765, 781, 78...	[ "nonn" ]
A100232	[ 1, 1, 3, 1, 6, 17, 1, 9, 39, 75, 1, 12, 70, 220, 321, 1, 15, 110, 470, 1165, 1363, 1, 18, 159, 852, 2895, 5922, 5777, 1, 21, 217, 1393, 5943, 16807, 29267, 24475, 1, 24, 284, 2120, 10822, 38536, 93468, 141688, 103681, 1, 27,...	[ "nonn", "tabl" ]
A002399	[ 1, 16, 177, 5548, 39615, 2236440, 40325915, 1207505768, 13229393814, 1737076976040, 22446050738265, 4058838484620084, 60476452041557410, 961082989270516100, 32455938583801467000, 9.864953815464308e+21, 1.8619576947311082e+23, 7.029540810358101e+25, 1.466826914074652e+27 ]	[ "nonn" ]
A322495	[ 1, 1, 2, 8, 68, 1262, 51420, 4577274, 888837716, 376116199534, 346688563051200, 695975307003529200 ]	[ "nonn", "more" ]
A132108	[ 1, 2, 1, 3, 3, 1, 4, 5, 4, 1, 5, 7, 8, 5, 1, 6, 9, 13, 12, 6, 1, 7, 11, 19, 23, 17, 7, 1, 8, 13, 26, 39, 38, 23, 8, 1, 9, 15, 34, 61, 74, 59, 30, 9, 1, 10, 17, 43, 90, 131, 130, 87, 38, 10, 1 ]	[ "nonn", "easy", "tabl" ]
A323849	[ 1, 1, 4, 1, 1, 18, 44, 18, 1, 1, 68, 615, 1236, 615, 68, 1, 1, 250, 7313, 46812, 84910, 46812, 7313, 250, 1, 1, 922, 85801, 1592348, 8241540, 14024408, 8241540, 1592348, 85801, 922, 1, 1, 3430, 1030330, 54926890, 759337545, 3397542544...	[ "nonn", "tabf" ]
A189389	[ 1, 0, 0, 0, 0, 0, 1, 2, 49, 484, 6208, 79118, 1081313, 15610304, 238518181, 3850864416, 65598500129, 1177003136892, 22203823852849, 439598257630414, 9117748844458320, 197776095898147070, 4479171132922158000, 105749311074795450000, 2.5987703243596277e+21 ]	[ "nonn" ]
A296430	[ 1, 2, 5, 8, 3, 1, 8, 6, 1, 0, 0, 5, 5, 6, 0, 9, 5, 7, 1, 8, 9, 0, 9, 6, 6, 0, 8, 2, 7, 9, 6, 6, 1, 1, 9, 8, 7, 5, 4, 5, 9, 4, 1, 1, 2, 9, 8, 2, 6, 3, 1, 7, 9, 2, 5, 1, 5, 2, 0, 0, 3, 8, 0, 0...	[ "nonn", "easy", "cons" ]
A186598	[ 78728809, 1184226, 1922661, 5769381, 12653493, 17171973, 17856813, 20385141, 23590989, 27166341, 31913637, 43392285, 72170517, 105970461, 144672021, 210476109, 337796493, 520618896, 732388035, 1059900702, 1658296953 ]	[ "nonn" ]
A001496	[ 1, 24, 282, 2008, 10147, 40176, 132724, 381424, 981541, 2309384, 5045326, 10356424, 20158151, 37478624, 66952936, 115479776, 193077449, 313981688, 498033282, 772409528, 1173759851, 1750812624, 2567527260, 3706873040 ]	[ "nonn", "easy", "nice" ]
A343856	[ 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 1, 1, 2, 2, 2, 4, 2, 2, 1, 1, 2, 2, 2, 4, 2, 2, 8, 2, 2, 4, 1, 1, 2, 2, 2, 4, 2, 2, 8, 2, 2, 4, 8, 8, 4, 2, 2, 8, 1, 1, 2, 2, 2, 4, 2, 2, 8, 2, 2, 4, 8, 8, 4...	[ "nonn", "tabf" ]
A327081	[ 1, 3, 4, 11, 52, 64, 139, 2868, 13376, 16384, 32907 ]	[ "nonn", "more" ]
A055349	[ 1, 2, 0, 6, 3, 0, 24, 36, 8, 0, 120, 360, 220, 30, 0, 720, 3600, 4200, 1500, 144, 0, 5040, 37800, 71400, 47250, 11508, 840, 0, 40320, 423360, 1176000, 1234800, 545664, 98784, 5760, 0, 362880, 5080320, 19474560, 29635200, 20469456, 661...	[ "nonn", "tabl", "eigen", "changed" ]
A006580	[ 0, 0, 1, 4, 8, 20, 21, 56, 60, 96, 105, 220, 152, 364, 301, 360, 464, 816, 549, 1140, 760, 1036, 1221, 2024, 1196, 2200, 2041, 2484, 2184, 4060, 2205, 4960, 3664, 4224, 4641, 5180, 4008, 8436, 6517, 7072, 5980, 11480, 6321, 13244,...	[ "nonn" ]
A045326	[ 2, 3, 7, 11, 19, 23, 31, 43, 47, 59, 67, 71, 79, 83, 103, 107, 127, 131, 139, 151, 163, 167, 179, 191, 199, 211, 223, 227, 239, 251, 263, 271, 283, 307, 311, 331, 347, 359, 367, 379, 383, 419, 431, 439, 443, 463, 467, 479,...	[ "nonn", "easy" ]
A365688	[ 481, 24961, 28721, 65441, 69121, 113241, 345761, 362401, 384161, 530881, 620321, 854401, 882889, 909321, 1094481, 1163249, 1305281, 1697761, 1855841, 2074281, 2294681, 2423601, 2568369, 2576641, 2619281, 2665721, 2696161, 2751489, 2997761, 3151281 ]	[ "nonn" ]
A330910	[ 0, 1, 3, 6, 10, 15, 22, 32, 46, 65, 90, 123, 167, 226, 305, 410, 549, 733, 977, 1301, 1731, 2301, 3056, 4056, 5381, 7137, 9464, 12547, 16631, 22041, 29208, 38703, 51282, 67946, 90021, 119264, 158003, 209322, 277306, 367366, 486670, 64...	[ "nonn" ]
A076320	[ 1, 2, 4, 11, 34, 156, 1044, 12346, 274667, 12005158, 1018997631 ]	[ "nonn", "more" ]
A314488	[ 1, 5, 8, 14, 18, 24, 26, 32, 40, 37, 48, 48, 60, 54, 67, 67, 77, 74, 85, 84, 97, 90, 105, 102, 117, 106, 126, 117, 136, 127, 141, 137, 157, 141, 161, 155, 177, 156, 183, 171, 196, 176, 199, 190, 215, 193, 217, 211, 233, ...	[ "nonn" ]
A298122	[ 1, 1, 2, 5, 11, 34, 90, 300, 875, 3038, 9408, 33516, 108108, 392040, 1302444, 4785066, 16256955, 60324550, 208579800, 780088452, 2735682092, 10296854984, 36532677272, 138231751840, 495241833996, 1882201158264, 6799413051200, 25939319270000, 94374970110000 ]	[ "nonn" ]
A180942	[ 91, 561, 781, 1105, 1661, 1729, 2465, 2737, 2821, 6601, 8911, 10585, 15841, 29341, 30433, 41041, 46657, 52633, 62745, 63973, 75361, 90241, 101101, 115921, 126217, 136371, 136741, 137149, 162401, 172081, 176565, 188461, 251251, 252601, 278545, 294...	[ "nonn" ]
A022252	[ 1, 78536544841, 5.482656778286418e+21, 3.7750261472129305e+32, 2.594811713965503e+43, 1.7831954509280116e+54, 1.2254072576156e+65 ]	[ "nonn" ]
A045472	[ 13, 29, 41, 43, 71, 83, 97, 113, 127, 139, 167, 181, 197, 211, 223, 239, 251, 281, 293, 307, 337, 349, 379, 419, 421, 433, 449, 461, 463, 491, 503, 547, 587, 601, 617, 631, 643, 659, 673, 701, 727, 743, 757, 769 ]	[ "nonn", "easy" ]
A122616	[ 32, 64, 96, 128, 160, 192, 224, 243, 256, 275, 288, 307, 320, 339, 352, 371, 384, 403, 416, 435, 448, 467, 480, 486, 499, 512, 518, 531, 544, 550, 563, 576, 582, 595, 608, 614, 627, 640, 646, 659, 672, 678, 691, 704, 710, 723,...	[ "easy", "nonn" ]
A324296	[ 11, 10, 14, 16, 6, 7, 17, 4, 13 ]	[ "nonn", "more" ]
A178082	[ 3, 21, 39, 165, 297, 375, 417, 651, 693, 1131, 1887, 2601, 3129, 3147, 3213, 3609, 3783, 3885, 4203, 4455, 5061, 6345, 6969, 8757, 10269, 11067, 12597, 13443, 13899, 14445, 15453, 15939, 16209, 16545, 17763, 19569, 19827, 20223, 21969, 23...	[ "nonn", "easy" ]
A269494	[ 2, 3, 4, 4, 9, 8, 5, 16, 27, 14, 6, 25, 64, 77, 24, 7, 36, 125, 250, 215, 40, 8, 49, 216, 617, 964, 591, 66, 9, 64, 343, 1286, 3021, 3680, 1609, 108, 10, 81, 512, 2389, 7616, 14695, 13946, 4353, 176, 11, 100, 729, 4082, ...	[ "nonn", "tabl" ]
A199423	[ 3, 5, 7, 3, 11, 13, 7, 17, 19, 7, 23, 5, 13, 29, 31, 11, 17, 37, 19, 41, 43, 11, 47, 7, 17, 53, 11, 19, 59, 61, 31, 13, 67, 23, 71, 73, 37, 19, 79, 5, 83, 17, 43, 89, 13, 31, 47, 97, 11, 101, 103, 13, 107, 109,...	[ "nonn", "easy" ]
A270947	[ 1, 8, 40, 189, 812, 3540, 14224, 58672, 235520, 943648, 3785836, 15139112, 60577080, 242359424, 969552509, 3878246660 ]	[ "nonn", "more" ]
A262543	[ 0, 2, 4, 10, 28, 84, 264, 858, 2860, 9724, 33592, 117572, 416024, 1485800, 5348880, 19389690, 70715340, 259289580, 955277400, 3534526380, 13128240840, 48932534040, 182965127280, 686119227300, 2579808294648, 9723892802904, 36734706144304, 139067101832008, 52749...	[ "nonn", "easy" ]
A097689	[ 0, 0, 1, 3, 4, 8, 8, 13, 15, 16, 16, 20, 22, 30, 32, 33, 33, 41, 44, 50, 54, 58, 58, 66, 69, 73, 76, 76, 78, 88, 88, 100, 103, 107, 109, 111, 113, 123, 127, 129, 131, 142, 146, 159, 165, 167, 169, 183, 191, 193, 197,...	[ "nonn" ]
A074693	[ 1, 2, 3, 5, 9, 15, 23, 45, 69, 113, 225, 345, 521, 1041, 1733, 3465, 4905, 7497, 11529, 18009, 29097, 47817, 71577, 114777, 184761, 307881, 482841, 804573, 1212813, 1854333, 2993517, 4953069, 7752429, 12826269, 21376953, 34207353, 55027593, 9...	[ "easy", "nonn" ]
A285676	[ 1, 3, 4, 6, 8, 9, 11, 12, 14, 16, 17, 19, 20, 22, 24, 25, 27, 28, 30, 32, 33, 35, 36, 38, 40, 41, 43, 45, 46, 48, 49, 51, 53, 54, 56, 57, 59, 61, 62, 64, 65, 67, 69, 70, 72, 73, 75, 77, 78, 80, 81, 83, 85, 86, ...	[ "nonn", "easy" ]
A102105	[ 1, 12, 83, 486, 2645, 13872, 71303, 362346, 1829225, 9198612, 46150523, 231225006, 1157542205, 5791962552, 28972567343, 144901100466, 724620293585, 3623445841692, 18118262329763, 90594411012726, 452981353155365, 2264934660052032, 11324756983085784 ]	[ "nonn", "easy" ]
A160163	[ 1, 1, 2, 4, 4, 2, 4, 6, 4, 4, 8, 12, 10, 6, 10, 10, 4, 4, 8, 12, 10, 8, 14, 16, 12, 16, 28, 34, 26, 20, 26, 18, 4, 4, 8, 12, 10, 8, 14, 16, 12, 16, 28, 34, 26, 22, 30, 24, 12, 16, 28, 34, 28, 30, 44, 44 ]	[ "nonn" ]
A203129	[ 9, 0, 2, 7, 4, 5, 2, 9, 2, 9, 5, 0, 9, 3, 3, 6, 1, 1, 2, 9, 6, 8, 5, 8, 6, 8, 5, 4, 3, 6, 3, 4, 2, 5, 2, 3, 6, 7, 9, 5, 5, 1, 5, 1, 0, 7, 0, 4, 5, 2, 9, 1, 3, 2, 2, 6, 2, 6, 8, 1, 6, 4, 5, 3...	[ "nonn", "cons" ]
A324773	[ 1, 3, 6, 11, 15, 21, 28, 36, 45, 55, 66, 78, 92, 114, 134, 157, 181, 211, 224, 239, 255, 273, 313, 332, 349, 374, 395, 426, 453, 479, 507, 536, 568, 602, 641, 674, 709, 745, 786, 829, 866, 904, 951, 993, 1037, 1082, 1128, ...	[ "nonn" ]
A160495	[ 1, 14, 1, 2, 10, 11, 19, 20, 1, 7, 8, 25, 26, 32, 1, 34, 1, 2, 8, 17, 19, 20, 22, 31, 37, 38, 1, 13, 20, 22, 23, 28, 29, 31, 38, 50, 1, 2, 53, 54, 1, 2, 7, 13, 16, 23, 28, 29, 34, 41, 44, 50, 55, 56, 1, 64,...	[ "nonn", "tabf" ]
A114627	[ 1, 2, 6, 19, 61, 202, 683, 2348, 8184, 28855, 102731, 368813, 1333684, 4853436, 17761181, 65320691, 241300829, 894958140, 3331323651, 12441078958, 46601721324, 175040968111, 659136721385, 2487852579751, 9410480922018 ]	[ "nonn" ]
A241066	[ 1, 2, 6, 16, 54, 20, 272, 2106, 544, 50, 7936, 179334, 66560, 3250, 105, 353792, 26414586, 17895424, 968750, 13986, 196, 22368256, 5957217414, 8329625600, 635781250, 8637840, 48020, 336, 1903757312, 1906398972666, 5937093935104, 722480468750, 117546176...	[ "nonn", "tabl" ]
A137957	[ 1, 1, 3, 15, 79, 468, 2895, 18670, 123765, 838860, 5785503, 40473729, 286504086, 2048388112, 14770313397, 107290913232, 784380664232, 5766985753620, 42614014459911, 316304429143995, 2357275139670183, 17631888703154172 ]	[ "nonn" ]
A042770	[ 30, 91, 121, 454, 1483, 1937, 3420, 49817, 53237, 103054, 362399, 1190251, 1552650, 5848201, 352444710, 1063182331, 1415627041, 5310063454, 17345817403, 22655880857, 40001698260, 582679656497 ]	[ "nonn", "cofr", "frac", "easy" ]
A321868	[ 341, 645, 2465, 2821, 4033, 5461, 8321, 15841, 25761, 31621, 68101, 83333, 162401, 219781, 282133, 348161, 530881, 587861, 653333, 710533, 722261, 997633, 1053761, 1082401, 1193221, 1246785, 1333333, 1357441, 1398101, 1489665, 1584133, 1690501, 1735841...	[ "nonn" ]
A073954	[ 143, 175, 203, 247, 248, 270, 280, 297, 315, 325, 333, 347, 357, 368, 410, 423, 462, 472, 473, 500, 518, 522, 553, 563, 567, 578, 585, 598, 630, 637, 675, 682, 693, 697, 725, 742, 760, 770, 787, 788, 808, 833, 850, 858, 878, 8...	[ "easy", "nonn" ]
A382599	[ 0, 2, 8, 6, 6, 4, 7, 4, 9, 8, 1, 7, 1, 9, 8, 2, 9, 8, 1, 6, 8, 9, 7, 6, 2, 9, 8, 2, 5, 8, 9, 0, 4, 0, 4, 7, 3, 8, 2, 3, 9, 2, 3, 3, 0, 6, 2, 7, 0, 3, 8, 0, 9, 2, 1, 9, 4, 2, 2, 9, 3, 1, 4, 5...	[ "nonn", "cons" ]
A232167	[ 3, 9, 16, 31, 68, 149, 314, 724, 1670, 4063 ]	[ "nonn", "more" ]
A204311	[ 39669, 1867746, 90762504, 4174580535, 194940928754, 9133561570280, 426401340094121, 19922093313706050, 931060788375397100, 43503293047329190000, 2.0327408350324722e+21, 9.498432483036595e+22 ]	[ "nonn" ]
A216302	[ 4, 31, 46, 64, 88, 109, 130, 367, 400, 493, 523, 550, 823, 829, 886, 946, 1033, 1117, 1369, 1390, 1408, 1432, 1825, 1999, 2161, 2329, 2356, 2374, 2503, 2626, 2668, 2671, 2794, 2902, 3049, 3139, 3151, 3154, 3232, 3253, 3421, 3553, 35...	[ "nonn" ]
A369390	[ 1, 1, 2, 4, 6, 13, 31, 77, 188, 449, 1191, 3014, 7920, 21498, 57833, 154073, 412733, 1141274, 3106771, 8576977, 24015471, 66489615, 185886699, 517837152, 1435964205, 4034697191, 11438332340, 32395341851, 92396549863, 263233759500, 736127855014, 209302760...	[ "nonn" ]
A123875	[ 8, 6, 26, 626, 15626, 1562500001 ]	[ "nonn", "base", "more" ]
A193399	[ 27, 109, 271, 545, 931, 1493, 2199, 3145, 4267, 5693, 7327, 9329, 11571, 14245, 17191, 20633, 24379, 28685, 33327, 38593, 44227, 50549, 57271, 64745, 72651, 81373, 90559, 100625, 111187, 122693, 134727 ]	[ "nonn", "easy" ]
A046961	[ 1, 10, 26, 29, 70, 73, 117, 161, 183, 893, 1603, 2313, 3023, 3733, 4443, 5153, 5863, 6573, 7283, 7993, 8703, 9413, 10123, 10833, 11543, 12253, 12963, 13673, 14383, 15093, 15803, 16513, 17223, 17933, 18643, 19353, 20063, 20773, 21483 ]	[ "nonn" ]
A073587	[ 1, 3, 13, 105, 1681, 53793, 3442753, 440672385, 112812130561, 57759810847233, 59146046307566590, 121131102837896380000, 4.961529972240236e+23, 4.064485353259201e+27, 6.659252802779875e+31, 2.1821039584149095e+36 ]	[ "easy", "nonn" ]
A167191	[ 2664, 20568, 68592, 161616, 314520, 542184, 859488, 1281312, 1822536, 2498040, 3322704, 4311408, 5479032, 6840456, 8410560, 10204224, 12236328, 14521752, 17075376, 19912080, 23046744, 26494248, 30269472, 34387296, 38862600, 43710264, 48945168, 54582192, 606362...	[ "nonn", "easy" ]
A114816	[ 30, 42, 56, 66, 70, 81, 104, 105, 136, 148, 152, 164, 175, 195, 207, 212, 244, 254, 259, 289, 291, 292, 298, 305, 319, 326, 332, 344, 365, 367, 403, 404, 423, 445, 447, 451, 458, 478, 489, 511, 517, 519, 526, 533, 537, 543, ...	[ "nonn" ]
A299556	[ 1, 7, 5, 15, 21, 57, 121, 289, 747, 1901, 5017, 13531, 36501, 99555, 272873, 748887, 2061111, 5679261, 15657685, 43198325, 119216101, 329067269, 908467521, 2508239639, 6925531875, 19123005315, 52804249441, 145810426239, 402636515557 ]	[ "nonn" ]
A274458	[ 20, 6, 3, 8, 3, 2, 6, 5, 5, 4, 0, 1, 3, 1, 3, 6, 5, 0, 5, 3, 6, 2, 1, 3, 1, 1, 1, 6, 11, 7, 4, 3, 9, 3, 3, 2, 3, 2, 2, 7, 7, 0, 5, 1, 1, 0, 0, 0, 1, 3, 2, 0, 1, 2, 2, 1, 1, 1, 0, 0, 0, 0, 0, ...	[ "nonn", "fini", "full" ]
A162844	[ 3, 3, 3, 3, 3, 3, 3, 3, 7, 3, 3, 11, 3, 3, 3, 3, 3, 11, 3, 129, 53, 3, 3, 5, 3, 13, 3, 7, 3, 3, 3, 3, 3, 65, 3, 3, 57, 13, 3, 5, 163, 57, 3, 335, 39, 3, 3, 5, 3, 129, 3, 13, 257, 13, 3, 3, 17, 19, 3, ...	[ "base", "nonn" ]
A039882	[ 0, 1, 1, 1, 1, 3, 2, 4, 5, 7, 9, 12, 13, 20, 26, 33, 38, 50, 61, 83, 99, 122, 145, 185, 230, 280, 335, 406, 490, 616, 725, 877, 1034, 1250, 1518, 1805, 2127, 2524, 2993, 3610, 4229, 4991, 5831, 6897, 8185 ]	[ "nonn" ]
A141515	[ 1, 6, 12, 18, 22, 30, 36, 42, 46, 52, 60, 66, 72, 78, 82, 88, 96, 102, 108, 112, 126, 130, 138, 150, 156, 162, 166, 172, 180, 192, 198, 210, 222, 228, 232, 240, 250, 256, 262, 270, 276, 282, 292, 306, 312, 316, 330, 336, ...	[ "nonn" ]
A323655	[ 1, 1, 4, 7, 19, 35, 80, 149, 307, 566, 1092, 1974, 3643, 6447, 11498, 19947, 34636, 58974, 100182, 167713, 279659, 461056, 756562, 1230104, 1990255, 3195471, 5105540, 8103722, 12801925, 20107448, 31439978, 48907179, 75755094, 116797754, 179354540, ...	[ "nonn" ]
A162909	[ 1, 1, 2, 2, 1, 3, 3, 3, 3, 1, 2, 5, 4, 4, 5, 5, 4, 4, 5, 2, 1, 3, 3, 8, 7, 5, 7, 7, 5, 7, 8, 8, 7, 5, 7, 7, 5, 7, 8, 3, 3, 1, 2, 5, 4, 4, 5, 13, 11, 9, 12, 9, 6, 10, 11, 11, 10, 6, 9, 12, 9, 11,...	[ "easy", "frac", "nonn" ]
A133296	[ 0, 2, 4, 6, 8, 19, 39, 59, 79, 99, 299, 499, 699, 899, 1999, 3999, 5999, 7999, 9999, 29999, 49999, 69999, 89999, 199999, 399999, 599999, 799999, 999999, 2999999, 4999999, 6999999, 8999999, 19999999, 39999999, 59999999, 79999999, 99999999, 299...	[ "nonn", "base", "easy" ]
A289705	[ 0, 0, 15, 96, 330, 855, 1866, 3624, 6468, 10818, 17193, 26208, 38598, 55209, 77028, 105168, 140904, 185652, 241011, 308736, 390786, 489291, 606606, 745272, 908076, 1098006, 1318317, 1572480, 1864254, 2197629, 2576904, 3006624, 3491664, 4037160, 464...	[ "nonn" ]
A022230	[ 1, 2612138803, 5848516394205968000, 1.2790160886494732e+28, 2.7862895440026037e+37, 6.065925945435119e+46, 1.3204483467414102e+56 ]	[ "nonn", "easy" ]
A205759	[ 383440, 3602578, 29561841, 341919297, 3496020388, 45262306396, 528507252157, 7409837678586, 95546688005488, 1427488689168257 ]	[ "nonn" ]
A020083	[ 1, 0, 0, 2, 8, 41, 231, 1527, 11610, 99850, 958561, 10160755, 117864768, 1485096081, 20197306708, 294880677941, 4600138575887, 76362300359740, 1343976486331425, 24997962645764520, 489960067856984640 ]	[ "nonn" ]
A077144	[ 1, 3, 34, 960, 49500, 3538080, 404020145, 73780761600, 15590323138443, 4627678068946516, 1712182437990539500, 709629581496779700000, 4.3491102774413266e+23, 2.3474594094536726e+26 ]	[ "nonn" ]
A222933	[ 24, 1024, 32760, 1047664, 33553920, 1073741824, 34359738368, 1099511627776, 35184372088448, 1125899904556032, 36028797018701824, 1152921504606847000, 36893488147419103000, 1.1805916207174113e+21, 3.777893186295716e+22 ]	[ "nonn" ]
A248806	[ 2, 0, 1, 2, 2, 0, 1, 0, 2, 1, 0, 1, 2, 0, 1, 0, 1, 2, 2, 0, 1, 2, 1, 0, 1, 0, 2, 2, 0, 1, 2, 2, 0, 1, 0, 1, 2, 1, 0, 2, 2, 0, 1, 2, 2, 0, 1, 0, 2, 1, 0, 1, 2, 2, 0, 1, 0, 1, 2, 0, 1, 0, 2, 1...	[ "nonn" ]
A354437	[ 1, 1, -1, 1, 13, -199, 2251, -19991, 7001, 7530193, -330734249, 11005284401, -300961551131, 4886902605001, 184195977487523, -28517140157423400, 2322376314679777300, -153646291657993060000, 8.388000381774955e+21, -2.8768643675724133e+23 ]	[ "sign" ]
A314908	[ 1, 5, 9, 14, 19, 25, 28, 35, 41, 48, 49, 53, 58, 67, 71, 76, 79, 85, 88, 95, 101, 108, 109, 113, 118, 127, 131, 136, 139, 145, 148, 155, 161, 168, 169, 173, 178, 187, 191, 196, 199, 205, 208, 215, 221, 228, 229, 233, 238...	[ "nonn" ]

A020017

[ 1, 0, 0, 1, 3, 13, 67, 425, 3103, 25751, 239483, 2466678, 27873456, 342843514, 4559818741, 65205407995, 997642742322, 16261576699844, 281325276907304, 5148252567403659, 99361274550890610, 2017033873383079400 ]

[ "nonn" ]

A141340

[ 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 18, 24, 30, 36, 42, 48, 60, 90, 210 ]

[ "nonn", "nice", "fini", "full" ]

A108284

[ 1, 3, 2, 6, 11, 6, 10, 39, 54, 24, 15, 114, 304, 324, 120, 21, 300, 1384, 2664, 2280, 720, 28, 741, 5598, 17364, 25800, 18360, 5040, 36, 1757, 21054, 99012, 227400, 273720, 166320, 40320, 45, 4052, 75504, 518592, 1728816, 3131400, 3...

[ "nonn", "tabl" ]

A219823

[ 10, 38, 394, 2673, 16137, 84635, 413442, 1912366, 8425696, 35383400, 141858436, 544443510, 2006445992, 7121107189, 24402982732, 80928306022, 260243950300, 812904264463, 2470292341436, 7313266754655, 21119194519639, 59559203039353 ]

[ "nonn" ]

A034687

[ 1, 15, 275, 5500, 115500, 2502500, 55412500, 1246781250, 28398906250, 653174843750, 15141780468750, 353308210937500, 8289154179687500, 195387205664062500, 4624163867382813000, 109823891850341800000 ]

[ "easy", "nonn" ]

A157934

[ 54, 66, 90, 156, 240, 270, 306, 474, 570, 576, 636, 750, 780, 1080, 1320, 1350, 2034, 2154, 2406, 2700, 2760, 3204, 3240, 3306, 3480, 3516, 3756, 3774, 3984, 4056, 4086, 4140, 4146, 4176, 4716, 4734, 4794, 5154, 5370, 5424, 5550, 5664...

[ "nonn" ]

A111808

[ 1, 1, 1, 1, 2, 3, 1, 3, 6, 7, 1, 4, 10, 16, 19, 1, 5, 15, 30, 45, 51, 1, 6, 21, 50, 90, 126, 141, 1, 7, 28, 77, 161, 266, 357, 393, 1, 8, 36, 112, 266, 504, 784, 1016, 1107, 1, 9, 45, 156, 414, 882, 1554, 2304, ...

[ "nonn", "tabl" ]

A167005

[ 1, 9, 243, 59076, 111615732, 1491228760410, 142100883744107230, 1.0072696006107288e+23, 5.513583138986241e+29, 2.3916527760781823e+37 ]

[ "nonn" ]

A043080

[ 1, 2, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 101, 112, 123, 134, 145, 156, 167, 178, 189, 200, 1001, 1011, 1021, 1031, 1041, 1051, 1061, 1071, 1081, 1091, 1102, 1112, 1122, 1132, 1142, 1152, 1162, 1172, 1182, 1192, 1203, 1213, ...

[ "nonn", "base" ]

A181463

[ 60, 62, 121, 123, 184, 243, 245, 365, 367, 426, 428, 487, 489, 550, 609, 611, 794, 1036, 1099, 1160, 1219, 1221, 1343, 1463, 1585, 1646, 1709, 1768, 1770, 1951, 2014, 2073, 2256, 2319, 2439, 2441, 2500, 2561, 2624, 2807, 2927, 3173, ...

[ "fini", "full", "nonn" ]

A255360

[ 1, 1, 2.631308369336935e+35 ]

[ "nonn" ]

A210223

[ 1, 2, 1, 2, 5, 1, 2, 7, 10, 1, 2, 7, 22, 17, 1, 2, 7, 26, 57, 26, 1, 2, 7, 26, 89, 126, 37, 1, 2, 7, 26, 97, 266, 247, 50, 1, 2, 7, 26, 97, 346, 695, 442, 65, 1, 2, 7, 26, 97, 362, 1127, 1618, 737, 82, 1, 2...

[ "nonn", "tabl" ]

A295099

[ 1, 2, 11, 96, 1145, 17320, 317547, 6843872, 169603793, 4752704160, 148631984075, 5132717953792, 194022218612169, 7969667589513344, 353510496652374660, 16842274069331520000, 857827370723082400000, 4.6516913938434655e+22, 2.675772791433589e+24, 1.6274283154509447e+26 ]

[ "nonn" ]

A076615

[ 1, 1, 2, 2, 16, 40, 80, 80, 11360, 55040, 253440, 1056000, 3801600, 10982400, 21964800, 21964800, 857213660160, 7907423180800, 72155129446400, 645950912921600, 5622693241651200, 47110389109555200, 375570435981312000, 2811021970538496000, 19445103757787136000 ]

[ "nonn" ]

A088396

[ 7, 8, 0, 4, 5, 0, 1, 2, 0, 7, 0, 0, 4, 5, 0, 1, 2, 0, 7, 8, 0, 0, 5, 0, 1, 2, 0, 25, 8, 0, 4, 5, 0, 1, 2, 0, 0, 8, 0, 4, 5, 0, 1, 0, 0, 7, 26, 0, 49, 5, 0, 1, 2, 0, 0, 125, 0, 4, 68, 0, 1, 2, ...

[ "nonn" ]

A042458

[ 27, 28, 55, 963, 1018, 6053, 31283, 37336, 665995, 703331, 1369326, 74646935, 76016261, 150663196, 2637290593, 2787953789, 16577059538, 85673251479, 102250311017, 1823928538768, 1926178849785, 3750107388553, 204431977831647, 208182085220200, 412614063051847 ]

[ "nonn", "frac", "easy" ]

A264191

[ 4, 18, 81, 360, 1600, 6760, 28561, 120666, 509796, 2159850, 9150625, 38768400, 164249856, 695767824, 2947295521, 12484841330, 52886200900, 224029644930, 949005240561, 4020052555512, 17029223715904, 72136947419128 ]

[ "nonn" ]

A125911

[ 1, 2, 1, 8, 1, 12, 1, 64, 1, 20, 1, 576, 1, 28, 1, 1024, 1, 216, 1, 1600, 1, 44, 1, 110592, 1, 52, 1, 3136, 1, 3600, 1, 32768, 1, 68, 1, 373248, 1, 76, 1, 512000, 1, 7056, 1, 7744, 1, 92, 1, 84934656, 1, 1000, 1, 1...

[ "nonn" ]

A061003

[ 0, 1, 10, 41, 125, 311, 672, 1311, 2362, 4000, 6442, 9953, 14852, 21513, 30375, 41943, 56794, 75583, 99044, 128000, 163364, 206145, 257454, 318505, 390625, 475255, 573956, 688415, 820446, 972000, 1145166, 1342177, 1565416, 1817417 ]

[ "nonn", "easy" ]

A170283

[ 1, 34, 1122, 37026, 1221858, 40321314, 1330603362, 43909910946, 1449027061218, 47817893020194, 1577990469666402, 52073685498991260, 1718431621466711800, 56708243508401490000, 1.8713720357772491e+21, 6.175527718064922e+22 ]

[ "nonn" ]

A081808

[ 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, 1610612736, 3221225472 ]

[ "nonn", "easy" ]

A293923

[ 1, 1279, 210308, 16616820, 938674704, 44808906240, 1968764070096, 83741573885052, 3550701549583204, 152621531791333540, 6715538352190953000, 304192204692846150000, 1.42282033771141e+22, 6.882428160964542e+23, 3.444871028368884e+25 ]

[ "nonn" ]

A134678

[ 1, 4, 6, 9, 12, 15, 21, 30, 42, 45, 60, 75, 90, 105, 150, 165, 195, 210, 270, 285, 315, 390, 420, 510, 525, 630, 735, 840, 945, 1050, 1155, 1365, 1680, 1785, 1995, 2205, 2310, 2730, 3045, 3255, 3465, 3885, 3990, 4095, 4620, 53...

[ "nonn" ]

A324582

[ 2, 6, 36, 30, 300, 15000, 1260, 42000, 2940, 288120, 21176820, 18480, 66555720, 328703760, 12298440, 2232166860, 360122920080, 360360, 103062960, 22107004920, 4215068938080, 129290917072196880, 3.525159950945805e+21, 9.010749479611347e+25, 645822919595173400, 725322...

[ "nonn" ]

A039477

[ 54, 114, 175, 235, 296, 356, 417, 477, 494, 505, 516, 527, 549, 560, 571, 582, 593, 594, 595, 596, 597, 599, 600, 601, 602, 603, 659, 719, 780, 840, 901, 961, 1022, 1082, 1143, 1203, 1214, 1225, 1236, 1247, 1254, 1255, 1256, 1257,...

[ "nonn", "base", "easy" ]

A213226

[ 1, 1, 2, 7, 27, 122, 607, 3208, 17688, 99803, 571238, 3292738, 19001315, 109303307, 624615928, 3537913240, 19843769848, 110273489737, 608712132055, 3355449334452, 18624818099047, 105191779542849, 610586100129734, 3662333209225714, 22652502251884320 ]

[ "nonn" ]

A097831

[ 1, 18, 306, 5185, 87840, 1488096, 25209793, 427078386, 7235122770, 122570008705, 2076455025216, 35177165419968, 595935357114241, 10095723905522130, 171031371036762000, 2897437583719431000, 49085407552193570000 ]

[ "nonn", "easy" ]

A224350

[ 21, 441, 5840, 57387, 495985, 4231138, 37433596, 342170839, 3178789749, 29672959682, 277160393375, 2589242347971, 24204240827093, 226449704878547, 2120085885822119, 19857888410207652, 186050078426398270 ]

[ "nonn" ]

A326150

[ 9, 30, 49, 63, 65, 81, 84, 108, 125, 150, 154, 165, 169, 190, 198, 200, 259, 264, 273, 333, 351, 361, 364, 385, 390, 435, 442, 468, 481, 490, 495, 506, 525, 561, 580, 595, 609, 624, 630, 658, 675, 700, 714, 741, 765, 781, 78...

[ "nonn" ]

A100232

[ 1, 1, 3, 1, 6, 17, 1, 9, 39, 75, 1, 12, 70, 220, 321, 1, 15, 110, 470, 1165, 1363, 1, 18, 159, 852, 2895, 5922, 5777, 1, 21, 217, 1393, 5943, 16807, 29267, 24475, 1, 24, 284, 2120, 10822, 38536, 93468, 141688, 103681, 1, 27,...

[ "nonn", "tabl" ]

A002399

[ 1, 16, 177, 5548, 39615, 2236440, 40325915, 1207505768, 13229393814, 1737076976040, 22446050738265, 4058838484620084, 60476452041557410, 961082989270516100, 32455938583801467000, 9.864953815464308e+21, 1.8619576947311082e+23, 7.029540810358101e+25, 1.466826914074652e+27 ]

[ "nonn" ]

A322495

[ 1, 1, 2, 8, 68, 1262, 51420, 4577274, 888837716, 376116199534, 346688563051200, 695975307003529200 ]

[ "nonn", "more" ]

A132108

[ 1, 2, 1, 3, 3, 1, 4, 5, 4, 1, 5, 7, 8, 5, 1, 6, 9, 13, 12, 6, 1, 7, 11, 19, 23, 17, 7, 1, 8, 13, 26, 39, 38, 23, 8, 1, 9, 15, 34, 61, 74, 59, 30, 9, 1, 10, 17, 43, 90, 131, 130, 87, 38, 10, 1 ]

[ "nonn", "easy", "tabl" ]

A323849

[ 1, 1, 4, 1, 1, 18, 44, 18, 1, 1, 68, 615, 1236, 615, 68, 1, 1, 250, 7313, 46812, 84910, 46812, 7313, 250, 1, 1, 922, 85801, 1592348, 8241540, 14024408, 8241540, 1592348, 85801, 922, 1, 1, 3430, 1030330, 54926890, 759337545, 3397542544...

[ "nonn", "tabf" ]

A189389

[ 1, 0, 0, 0, 0, 0, 1, 2, 49, 484, 6208, 79118, 1081313, 15610304, 238518181, 3850864416, 65598500129, 1177003136892, 22203823852849, 439598257630414, 9117748844458320, 197776095898147070, 4479171132922158000, 105749311074795450000, 2.5987703243596277e+21 ]

[ "nonn" ]

A296430

[ 1, 2, 5, 8, 3, 1, 8, 6, 1, 0, 0, 5, 5, 6, 0, 9, 5, 7, 1, 8, 9, 0, 9, 6, 6, 0, 8, 2, 7, 9, 6, 6, 1, 1, 9, 8, 7, 5, 4, 5, 9, 4, 1, 1, 2, 9, 8, 2, 6, 3, 1, 7, 9, 2, 5, 1, 5, 2, 0, 0, 3, 8, 0, 0...

[ "nonn", "easy", "cons" ]

A186598

[ 78728809, 1184226, 1922661, 5769381, 12653493, 17171973, 17856813, 20385141, 23590989, 27166341, 31913637, 43392285, 72170517, 105970461, 144672021, 210476109, 337796493, 520618896, 732388035, 1059900702, 1658296953 ]

[ "nonn" ]

A001496

[ 1, 24, 282, 2008, 10147, 40176, 132724, 381424, 981541, 2309384, 5045326, 10356424, 20158151, 37478624, 66952936, 115479776, 193077449, 313981688, 498033282, 772409528, 1173759851, 1750812624, 2567527260, 3706873040 ]

[ "nonn", "easy", "nice" ]

A343856

[ 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 1, 1, 2, 2, 2, 4, 2, 2, 1, 1, 2, 2, 2, 4, 2, 2, 8, 2, 2, 4, 1, 1, 2, 2, 2, 4, 2, 2, 8, 2, 2, 4, 8, 8, 4, 2, 2, 8, 1, 1, 2, 2, 2, 4, 2, 2, 8, 2, 2, 4, 8, 8, 4...

[ "nonn", "tabf" ]

A327081

[ 1, 3, 4, 11, 52, 64, 139, 2868, 13376, 16384, 32907 ]

[ "nonn", "more" ]

A055349

[ 1, 2, 0, 6, 3, 0, 24, 36, 8, 0, 120, 360, 220, 30, 0, 720, 3600, 4200, 1500, 144, 0, 5040, 37800, 71400, 47250, 11508, 840, 0, 40320, 423360, 1176000, 1234800, 545664, 98784, 5760, 0, 362880, 5080320, 19474560, 29635200, 20469456, 661...

[ "nonn", "tabl", "eigen", "changed" ]

A006580

[ 0, 0, 1, 4, 8, 20, 21, 56, 60, 96, 105, 220, 152, 364, 301, 360, 464, 816, 549, 1140, 760, 1036, 1221, 2024, 1196, 2200, 2041, 2484, 2184, 4060, 2205, 4960, 3664, 4224, 4641, 5180, 4008, 8436, 6517, 7072, 5980, 11480, 6321, 13244,...

[ "nonn" ]

A045326

[ 2, 3, 7, 11, 19, 23, 31, 43, 47, 59, 67, 71, 79, 83, 103, 107, 127, 131, 139, 151, 163, 167, 179, 191, 199, 211, 223, 227, 239, 251, 263, 271, 283, 307, 311, 331, 347, 359, 367, 379, 383, 419, 431, 439, 443, 463, 467, 479,...

[ "nonn", "easy" ]

A365688

[ 481, 24961, 28721, 65441, 69121, 113241, 345761, 362401, 384161, 530881, 620321, 854401, 882889, 909321, 1094481, 1163249, 1305281, 1697761, 1855841, 2074281, 2294681, 2423601, 2568369, 2576641, 2619281, 2665721, 2696161, 2751489, 2997761, 3151281 ]

[ "nonn" ]

A330910

[ 0, 1, 3, 6, 10, 15, 22, 32, 46, 65, 90, 123, 167, 226, 305, 410, 549, 733, 977, 1301, 1731, 2301, 3056, 4056, 5381, 7137, 9464, 12547, 16631, 22041, 29208, 38703, 51282, 67946, 90021, 119264, 158003, 209322, 277306, 367366, 486670, 64...

[ "nonn" ]

A076320

[ 1, 2, 4, 11, 34, 156, 1044, 12346, 274667, 12005158, 1018997631 ]

[ "nonn", "more" ]

A314488

[ 1, 5, 8, 14, 18, 24, 26, 32, 40, 37, 48, 48, 60, 54, 67, 67, 77, 74, 85, 84, 97, 90, 105, 102, 117, 106, 126, 117, 136, 127, 141, 137, 157, 141, 161, 155, 177, 156, 183, 171, 196, 176, 199, 190, 215, 193, 217, 211, 233, ...

[ "nonn" ]

A298122

[ 1, 1, 2, 5, 11, 34, 90, 300, 875, 3038, 9408, 33516, 108108, 392040, 1302444, 4785066, 16256955, 60324550, 208579800, 780088452, 2735682092, 10296854984, 36532677272, 138231751840, 495241833996, 1882201158264, 6799413051200, 25939319270000, 94374970110000 ]

[ "nonn" ]

A180942

[ 91, 561, 781, 1105, 1661, 1729, 2465, 2737, 2821, 6601, 8911, 10585, 15841, 29341, 30433, 41041, 46657, 52633, 62745, 63973, 75361, 90241, 101101, 115921, 126217, 136371, 136741, 137149, 162401, 172081, 176565, 188461, 251251, 252601, 278545, 294...

[ "nonn" ]

A022252

[ 1, 78536544841, 5.482656778286418e+21, 3.7750261472129305e+32, 2.594811713965503e+43, 1.7831954509280116e+54, 1.2254072576156e+65 ]

[ "nonn" ]

A045472

[ 13, 29, 41, 43, 71, 83, 97, 113, 127, 139, 167, 181, 197, 211, 223, 239, 251, 281, 293, 307, 337, 349, 379, 419, 421, 433, 449, 461, 463, 491, 503, 547, 587, 601, 617, 631, 643, 659, 673, 701, 727, 743, 757, 769 ]

[ "nonn", "easy" ]

A122616

[ 32, 64, 96, 128, 160, 192, 224, 243, 256, 275, 288, 307, 320, 339, 352, 371, 384, 403, 416, 435, 448, 467, 480, 486, 499, 512, 518, 531, 544, 550, 563, 576, 582, 595, 608, 614, 627, 640, 646, 659, 672, 678, 691, 704, 710, 723,...

[ "easy", "nonn" ]

A324296

[ 11, 10, 14, 16, 6, 7, 17, 4, 13 ]

[ "nonn", "more" ]

A178082

[ 3, 21, 39, 165, 297, 375, 417, 651, 693, 1131, 1887, 2601, 3129, 3147, 3213, 3609, 3783, 3885, 4203, 4455, 5061, 6345, 6969, 8757, 10269, 11067, 12597, 13443, 13899, 14445, 15453, 15939, 16209, 16545, 17763, 19569, 19827, 20223, 21969, 23...

[ "nonn", "easy" ]

A269494

[ 2, 3, 4, 4, 9, 8, 5, 16, 27, 14, 6, 25, 64, 77, 24, 7, 36, 125, 250, 215, 40, 8, 49, 216, 617, 964, 591, 66, 9, 64, 343, 1286, 3021, 3680, 1609, 108, 10, 81, 512, 2389, 7616, 14695, 13946, 4353, 176, 11, 100, 729, 4082, ...

[ "nonn", "tabl" ]

A199423

[ 3, 5, 7, 3, 11, 13, 7, 17, 19, 7, 23, 5, 13, 29, 31, 11, 17, 37, 19, 41, 43, 11, 47, 7, 17, 53, 11, 19, 59, 61, 31, 13, 67, 23, 71, 73, 37, 19, 79, 5, 83, 17, 43, 89, 13, 31, 47, 97, 11, 101, 103, 13, 107, 109,...

[ "nonn", "easy" ]

A270947

[ 1, 8, 40, 189, 812, 3540, 14224, 58672, 235520, 943648, 3785836, 15139112, 60577080, 242359424, 969552509, 3878246660 ]

[ "nonn", "more" ]

A262543

[ 0, 2, 4, 10, 28, 84, 264, 858, 2860, 9724, 33592, 117572, 416024, 1485800, 5348880, 19389690, 70715340, 259289580, 955277400, 3534526380, 13128240840, 48932534040, 182965127280, 686119227300, 2579808294648, 9723892802904, 36734706144304, 139067101832008, 52749...

[ "nonn", "easy" ]

A097689

[ 0, 0, 1, 3, 4, 8, 8, 13, 15, 16, 16, 20, 22, 30, 32, 33, 33, 41, 44, 50, 54, 58, 58, 66, 69, 73, 76, 76, 78, 88, 88, 100, 103, 107, 109, 111, 113, 123, 127, 129, 131, 142, 146, 159, 165, 167, 169, 183, 191, 193, 197,...

[ "nonn" ]

A074693

[ 1, 2, 3, 5, 9, 15, 23, 45, 69, 113, 225, 345, 521, 1041, 1733, 3465, 4905, 7497, 11529, 18009, 29097, 47817, 71577, 114777, 184761, 307881, 482841, 804573, 1212813, 1854333, 2993517, 4953069, 7752429, 12826269, 21376953, 34207353, 55027593, 9...

[ "easy", "nonn" ]

A285676

[ 1, 3, 4, 6, 8, 9, 11, 12, 14, 16, 17, 19, 20, 22, 24, 25, 27, 28, 30, 32, 33, 35, 36, 38, 40, 41, 43, 45, 46, 48, 49, 51, 53, 54, 56, 57, 59, 61, 62, 64, 65, 67, 69, 70, 72, 73, 75, 77, 78, 80, 81, 83, 85, 86, ...

[ "nonn", "easy" ]

A102105

[ 1, 12, 83, 486, 2645, 13872, 71303, 362346, 1829225, 9198612, 46150523, 231225006, 1157542205, 5791962552, 28972567343, 144901100466, 724620293585, 3623445841692, 18118262329763, 90594411012726, 452981353155365, 2264934660052032, 11324756983085784 ]

[ "nonn", "easy" ]

A160163

[ 1, 1, 2, 4, 4, 2, 4, 6, 4, 4, 8, 12, 10, 6, 10, 10, 4, 4, 8, 12, 10, 8, 14, 16, 12, 16, 28, 34, 26, 20, 26, 18, 4, 4, 8, 12, 10, 8, 14, 16, 12, 16, 28, 34, 26, 22, 30, 24, 12, 16, 28, 34, 28, 30, 44, 44 ]

[ "nonn" ]

A203129

[ 9, 0, 2, 7, 4, 5, 2, 9, 2, 9, 5, 0, 9, 3, 3, 6, 1, 1, 2, 9, 6, 8, 5, 8, 6, 8, 5, 4, 3, 6, 3, 4, 2, 5, 2, 3, 6, 7, 9, 5, 5, 1, 5, 1, 0, 7, 0, 4, 5, 2, 9, 1, 3, 2, 2, 6, 2, 6, 8, 1, 6, 4, 5, 3...

[ "nonn", "cons" ]

A324773

[ 1, 3, 6, 11, 15, 21, 28, 36, 45, 55, 66, 78, 92, 114, 134, 157, 181, 211, 224, 239, 255, 273, 313, 332, 349, 374, 395, 426, 453, 479, 507, 536, 568, 602, 641, 674, 709, 745, 786, 829, 866, 904, 951, 993, 1037, 1082, 1128, ...

[ "nonn" ]

A160495

[ 1, 14, 1, 2, 10, 11, 19, 20, 1, 7, 8, 25, 26, 32, 1, 34, 1, 2, 8, 17, 19, 20, 22, 31, 37, 38, 1, 13, 20, 22, 23, 28, 29, 31, 38, 50, 1, 2, 53, 54, 1, 2, 7, 13, 16, 23, 28, 29, 34, 41, 44, 50, 55, 56, 1, 64,...

[ "nonn", "tabf" ]

A114627

[ 1, 2, 6, 19, 61, 202, 683, 2348, 8184, 28855, 102731, 368813, 1333684, 4853436, 17761181, 65320691, 241300829, 894958140, 3331323651, 12441078958, 46601721324, 175040968111, 659136721385, 2487852579751, 9410480922018 ]

[ "nonn" ]

A241066

[ 1, 2, 6, 16, 54, 20, 272, 2106, 544, 50, 7936, 179334, 66560, 3250, 105, 353792, 26414586, 17895424, 968750, 13986, 196, 22368256, 5957217414, 8329625600, 635781250, 8637840, 48020, 336, 1903757312, 1906398972666, 5937093935104, 722480468750, 117546176...

[ "nonn", "tabl" ]

A137957

[ 1, 1, 3, 15, 79, 468, 2895, 18670, 123765, 838860, 5785503, 40473729, 286504086, 2048388112, 14770313397, 107290913232, 784380664232, 5766985753620, 42614014459911, 316304429143995, 2357275139670183, 17631888703154172 ]

[ "nonn" ]

A042770

[ 30, 91, 121, 454, 1483, 1937, 3420, 49817, 53237, 103054, 362399, 1190251, 1552650, 5848201, 352444710, 1063182331, 1415627041, 5310063454, 17345817403, 22655880857, 40001698260, 582679656497 ]

[ "nonn", "cofr", "frac", "easy" ]

A321868

[ 341, 645, 2465, 2821, 4033, 5461, 8321, 15841, 25761, 31621, 68101, 83333, 162401, 219781, 282133, 348161, 530881, 587861, 653333, 710533, 722261, 997633, 1053761, 1082401, 1193221, 1246785, 1333333, 1357441, 1398101, 1489665, 1584133, 1690501, 1735841...

[ "nonn" ]

A073954

[ 143, 175, 203, 247, 248, 270, 280, 297, 315, 325, 333, 347, 357, 368, 410, 423, 462, 472, 473, 500, 518, 522, 553, 563, 567, 578, 585, 598, 630, 637, 675, 682, 693, 697, 725, 742, 760, 770, 787, 788, 808, 833, 850, 858, 878, 8...

[ "easy", "nonn" ]

A382599

[ 0, 2, 8, 6, 6, 4, 7, 4, 9, 8, 1, 7, 1, 9, 8, 2, 9, 8, 1, 6, 8, 9, 7, 6, 2, 9, 8, 2, 5, 8, 9, 0, 4, 0, 4, 7, 3, 8, 2, 3, 9, 2, 3, 3, 0, 6, 2, 7, 0, 3, 8, 0, 9, 2, 1, 9, 4, 2, 2, 9, 3, 1, 4, 5...

[ "nonn", "cons" ]

A232167

[ 3, 9, 16, 31, 68, 149, 314, 724, 1670, 4063 ]

[ "nonn", "more" ]

A204311

[ 39669, 1867746, 90762504, 4174580535, 194940928754, 9133561570280, 426401340094121, 19922093313706050, 931060788375397100, 43503293047329190000, 2.0327408350324722e+21, 9.498432483036595e+22 ]

[ "nonn" ]

A216302

[ 4, 31, 46, 64, 88, 109, 130, 367, 400, 493, 523, 550, 823, 829, 886, 946, 1033, 1117, 1369, 1390, 1408, 1432, 1825, 1999, 2161, 2329, 2356, 2374, 2503, 2626, 2668, 2671, 2794, 2902, 3049, 3139, 3151, 3154, 3232, 3253, 3421, 3553, 35...

[ "nonn" ]

A369390

[ 1, 1, 2, 4, 6, 13, 31, 77, 188, 449, 1191, 3014, 7920, 21498, 57833, 154073, 412733, 1141274, 3106771, 8576977, 24015471, 66489615, 185886699, 517837152, 1435964205, 4034697191, 11438332340, 32395341851, 92396549863, 263233759500, 736127855014, 209302760...

[ "nonn" ]

A123875

[ 8, 6, 26, 626, 15626, 1562500001 ]

[ "nonn", "base", "more" ]

A193399

[ 27, 109, 271, 545, 931, 1493, 2199, 3145, 4267, 5693, 7327, 9329, 11571, 14245, 17191, 20633, 24379, 28685, 33327, 38593, 44227, 50549, 57271, 64745, 72651, 81373, 90559, 100625, 111187, 122693, 134727 ]

[ "nonn", "easy" ]

A046961

[ 1, 10, 26, 29, 70, 73, 117, 161, 183, 893, 1603, 2313, 3023, 3733, 4443, 5153, 5863, 6573, 7283, 7993, 8703, 9413, 10123, 10833, 11543, 12253, 12963, 13673, 14383, 15093, 15803, 16513, 17223, 17933, 18643, 19353, 20063, 20773, 21483 ]

[ "nonn" ]

A073587

[ 1, 3, 13, 105, 1681, 53793, 3442753, 440672385, 112812130561, 57759810847233, 59146046307566590, 121131102837896380000, 4.961529972240236e+23, 4.064485353259201e+27, 6.659252802779875e+31, 2.1821039584149095e+36 ]

[ "easy", "nonn" ]

A167191

[ 2664, 20568, 68592, 161616, 314520, 542184, 859488, 1281312, 1822536, 2498040, 3322704, 4311408, 5479032, 6840456, 8410560, 10204224, 12236328, 14521752, 17075376, 19912080, 23046744, 26494248, 30269472, 34387296, 38862600, 43710264, 48945168, 54582192, 606362...

[ "nonn", "easy" ]

A114816

[ 30, 42, 56, 66, 70, 81, 104, 105, 136, 148, 152, 164, 175, 195, 207, 212, 244, 254, 259, 289, 291, 292, 298, 305, 319, 326, 332, 344, 365, 367, 403, 404, 423, 445, 447, 451, 458, 478, 489, 511, 517, 519, 526, 533, 537, 543, ...

[ "nonn" ]

A299556

[ 1, 7, 5, 15, 21, 57, 121, 289, 747, 1901, 5017, 13531, 36501, 99555, 272873, 748887, 2061111, 5679261, 15657685, 43198325, 119216101, 329067269, 908467521, 2508239639, 6925531875, 19123005315, 52804249441, 145810426239, 402636515557 ]

[ "nonn" ]

A274458

[ 20, 6, 3, 8, 3, 2, 6, 5, 5, 4, 0, 1, 3, 1, 3, 6, 5, 0, 5, 3, 6, 2, 1, 3, 1, 1, 1, 6, 11, 7, 4, 3, 9, 3, 3, 2, 3, 2, 2, 7, 7, 0, 5, 1, 1, 0, 0, 0, 1, 3, 2, 0, 1, 2, 2, 1, 1, 1, 0, 0, 0, 0, 0, ...

[ "nonn", "fini", "full" ]

A162844

[ 3, 3, 3, 3, 3, 3, 3, 3, 7, 3, 3, 11, 3, 3, 3, 3, 3, 11, 3, 129, 53, 3, 3, 5, 3, 13, 3, 7, 3, 3, 3, 3, 3, 65, 3, 3, 57, 13, 3, 5, 163, 57, 3, 335, 39, 3, 3, 5, 3, 129, 3, 13, 257, 13, 3, 3, 17, 19, 3, ...

[ "base", "nonn" ]

A039882

[ 0, 1, 1, 1, 1, 3, 2, 4, 5, 7, 9, 12, 13, 20, 26, 33, 38, 50, 61, 83, 99, 122, 145, 185, 230, 280, 335, 406, 490, 616, 725, 877, 1034, 1250, 1518, 1805, 2127, 2524, 2993, 3610, 4229, 4991, 5831, 6897, 8185 ]

[ "nonn" ]

A141515

[ 1, 6, 12, 18, 22, 30, 36, 42, 46, 52, 60, 66, 72, 78, 82, 88, 96, 102, 108, 112, 126, 130, 138, 150, 156, 162, 166, 172, 180, 192, 198, 210, 222, 228, 232, 240, 250, 256, 262, 270, 276, 282, 292, 306, 312, 316, 330, 336, ...

[ "nonn" ]

A323655

[ 1, 1, 4, 7, 19, 35, 80, 149, 307, 566, 1092, 1974, 3643, 6447, 11498, 19947, 34636, 58974, 100182, 167713, 279659, 461056, 756562, 1230104, 1990255, 3195471, 5105540, 8103722, 12801925, 20107448, 31439978, 48907179, 75755094, 116797754, 179354540, ...

[ "nonn" ]

A162909

[ 1, 1, 2, 2, 1, 3, 3, 3, 3, 1, 2, 5, 4, 4, 5, 5, 4, 4, 5, 2, 1, 3, 3, 8, 7, 5, 7, 7, 5, 7, 8, 8, 7, 5, 7, 7, 5, 7, 8, 3, 3, 1, 2, 5, 4, 4, 5, 13, 11, 9, 12, 9, 6, 10, 11, 11, 10, 6, 9, 12, 9, 11,...

[ "easy", "frac", "nonn" ]

A133296

[ 0, 2, 4, 6, 8, 19, 39, 59, 79, 99, 299, 499, 699, 899, 1999, 3999, 5999, 7999, 9999, 29999, 49999, 69999, 89999, 199999, 399999, 599999, 799999, 999999, 2999999, 4999999, 6999999, 8999999, 19999999, 39999999, 59999999, 79999999, 99999999, 299...

[ "nonn", "base", "easy" ]

A289705

[ 0, 0, 15, 96, 330, 855, 1866, 3624, 6468, 10818, 17193, 26208, 38598, 55209, 77028, 105168, 140904, 185652, 241011, 308736, 390786, 489291, 606606, 745272, 908076, 1098006, 1318317, 1572480, 1864254, 2197629, 2576904, 3006624, 3491664, 4037160, 464...

[ "nonn" ]

A022230

[ 1, 2612138803, 5848516394205968000, 1.2790160886494732e+28, 2.7862895440026037e+37, 6.065925945435119e+46, 1.3204483467414102e+56 ]

[ "nonn", "easy" ]

A205759

[ 383440, 3602578, 29561841, 341919297, 3496020388, 45262306396, 528507252157, 7409837678586, 95546688005488, 1427488689168257 ]

[ "nonn" ]

A020083

[ 1, 0, 0, 2, 8, 41, 231, 1527, 11610, 99850, 958561, 10160755, 117864768, 1485096081, 20197306708, 294880677941, 4600138575887, 76362300359740, 1343976486331425, 24997962645764520, 489960067856984640 ]

[ "nonn" ]

A077144

[ 1, 3, 34, 960, 49500, 3538080, 404020145, 73780761600, 15590323138443, 4627678068946516, 1712182437990539500, 709629581496779700000, 4.3491102774413266e+23, 2.3474594094536726e+26 ]

[ "nonn" ]

A222933

[ 24, 1024, 32760, 1047664, 33553920, 1073741824, 34359738368, 1099511627776, 35184372088448, 1125899904556032, 36028797018701824, 1152921504606847000, 36893488147419103000, 1.1805916207174113e+21, 3.777893186295716e+22 ]

[ "nonn" ]

A248806

[ 2, 0, 1, 2, 2, 0, 1, 0, 2, 1, 0, 1, 2, 0, 1, 0, 1, 2, 2, 0, 1, 2, 1, 0, 1, 0, 2, 2, 0, 1, 2, 2, 0, 1, 0, 1, 2, 1, 0, 2, 2, 0, 1, 2, 2, 0, 1, 0, 2, 1, 0, 1, 2, 2, 0, 1, 0, 1, 2, 0, 1, 0, 2, 1...

[ "nonn" ]

A354437

[ 1, 1, -1, 1, 13, -199, 2251, -19991, 7001, 7530193, -330734249, 11005284401, -300961551131, 4886902605001, 184195977487523, -28517140157423400, 2322376314679777300, -153646291657993060000, 8.388000381774955e+21, -2.8768643675724133e+23 ]

[ "sign" ]

A314908

[ 1, 5, 9, 14, 19, 25, 28, 35, 41, 48, 49, 53, 58, 67, 71, 76, 79, 85, 88, 95, 101, 108, 109, 113, 118, 127, 131, 136, 139, 145, 148, 155, 161, 168, 169, 173, 178, 187, 191, 196, 199, 205, 208, 215, 221, 228, 229, 233, 238...

[ "nonn" ]