Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A184770
[ 417256, 454774672, 39939558160, 18492329456080, 3063406967117776, 1004331937876000000, 225203116583181550000, 6.512506657489454e+22, 1.6551036919295881e+25, 4.5961258985311785e+27 ]
[ "nonn" ]
A167563
[ 720, 3360, 10752, 27648, 61440, 122880, 226800, 392832, 646128, 1018080, 1547040, 2279040, 3268512, 4579008, 6283920, 8467200, 11224080, 14661792, 18900288, 24072960, 30327360, 37825920, 46746672, 57283968, 69649200 ]
[ "easy", "nonn" ]
A157699
[ 3, 7, 6, 4, 5, 2, 8, 1, 2, 9, 1, 9, 1, 9, 5, 4, 3, 1, 6, 3, 0, 7, 5, 4, 4, 0, 7, 0, 4, 3, 2, 3, 1, 4, 8, 1, 9, 0, 5, 3, 2, 0, 3, 8, 7, 8, 0, 2, 7, 6, 0, 3, 1, 3, 2, 6, 5, 2, 3, 1, 1, 9, 8, 3, 1, 9, 9, 6, 7, 1, 2, 4, 5, 0, 4, 6, 6, 2, 7, 4, 4, 4, 5, 5, 6, 8, 7, 1, 2, 9, 8, 2, 7, 6, 7, 4, 7, 1, 0, 6, 2, 9, 4, 7, 6 ]
[ "cons", "easy", "nonn" ]
A297922
[ 8, 2907, 103558, 3211086, 109611795, 3751364813, 127727388127, 4359449485941, 148831641978201, 5080192954401926, 173423354418027800, 5920411674618384000, 202112732485637670000, 6.89979887039472e+21, 2.355487073353721e+23 ]
[ "nonn" ]
A068000
[ 1, 2, 5, 18, 63 ]
[ "nonn", "hard", "more" ]
A320797
[ 1, 0, 1, 1, 3, 4, 9, 15, 33, 60, 121 ]
[ "nonn", "more" ]
A256952
[ 516998, 2396710, 6028589, 11484877, 18296498, 27007866, 38735508, 53251874, 73958136, 97824928, 128991426, 167772052, 221476438, 285166026, 367014334, 471769634, 625566218, 813883562, 1067212638, 1401014718, 1916744082 ]
[ "nonn" ]
A379653
[ 41, 113, 229, 337, 349, 433, 457, 461, 557, 593, 617, 653, 677, 853, 857, 877, 929, 977, 997, 1021, 1129, 1153 ]
[ "nonn", "more" ]
A342317
[ 0, 2, 6, 9, 44, 60, 35, 234, 564, 504, 135, 1144, 3816, 6112, 4080, 527, 5430, 23000, 51120, 61360, 32736, 2079, 25332, 130500, 368480, 614160, 589632, 262080, 8255, 116466, 709548, 2436840, 5160400, 6880608, 5504576, 2097024 ]
[ "nonn", "tabl" ]
A050832
[ 2, 6, 18, 22, 34, 54, 98, 122, 146, 222, 306, 422, 654, 682, 862, 1010, 1346, 1582, 7890, 9714, 12498, 21742, 27810, 34798, 74382, 97746, 205370, 249710, 371426, 394974, 447330, 587570 ]
[ "hard", "nonn", "more" ]
A194269
[ 4, 9, 25, 49, 68, 121, 169, 289, 361, 529, 841, 961, 1369, 1681, 1849, 2209, 2809, 3481, 3721, 4489, 5041, 5329, 6241, 6889, 7921, 9409, 10201, 10609, 11449, 11881, 12769, 16129, 17161, 17500, 18769, 19321, 22201, 22801, 24649, 26569, 27889 ]
[ "nonn" ]
A196288
[ 0, 2, 258, 6564, 65540, 390630, 1679622, 5764808, 16777224, 43046730, 100000010, 214358892, 429981708, 815730734, 1475789070, 2562890640, 4294967312, 6975757458, 11019960594, 16983563060, 25600000020, 37822859382, 54875873558, 78310985304 ]
[ "nonn", "easy", "less" ]
A239867
[ 1, 9, 91, 205, 362, 519, 634, 1202, 3075, 11620, 19197, 32786, 67401, 67947, 473326, 587793, 1215895, 1361552, 1998403, 2532886, 3039732, 5138070, 7058483, 9465973, 20128072, 76214152 ]
[ "nonn", "more" ]
A347960
[ 36, 72, 100, 108, 144, 180, 196, 200, 216, 225, 252, 288, 300, 324, 360, 392, 396, 400, 432, 450, 468, 484, 500, 504, 540, 576, 588, 600, 612, 648, 675, 676, 684, 700, 720, 756, 784, 792, 800, 828, 864, 900, 936, 968, 972, 980, 1000, 1008, 1044, 1080, 1089, 1100, 1116, 1125, 1152, 1156, 1176, 1188, 1200, 1224, 1260, 1296 ]
[ "nonn" ]
A008416
[ 1, 16, 128, 688, 2816, 9424, 27008, 68464, 157184, 332688, 658048, 1229360, 2187520, 3732560, 6140800, 9785072, 15158272, 22900496, 33830016, 48978352, 69629696, 97364944, 134110592, 182192752, 244396544, 324031120, 425000576 ]
[ "nonn", "easy" ]
A207124
[ 9, 81, 289, 1024, 4096, 14161, 45796, 150544, 481636, 1493284, 4601025, 14055001, 42380100, 126900225, 378108025, 1119906225, 3301766521, 9702250000, 28419216400, 83012558161, 241951836996, 703860593296, 2044150748644 ]
[ "nonn" ]
A144542
[ 6, 3, 3, 2, 0, 5, 7, 6, 5, 7, 7, 3, 2, 8, 2, 3, 0, 7, 7, 6, 2, 8, 8, 0, 4, 8, 1, 7, 3, 0, 6, 3, 9, 8, 8, 4, 0, 5, 3, 2, 9, 9, 2, 3, 4, 6, 7, 4, 1, 4, 3, 4, 5, 6, 1, 2, 6, 1, 4, 1, 8, 3, 1, 7, 0, 3, 9, 9, 1, 3, 6, 2, 4, 8, 0, 5, 0, 9, 3, 7, 8, 7, 0, 4, 2, 2, 8, 3, 5, 1, 3, 3, 9, 8, 0, 5, 6, 2, 4, 7, 8, 7, 3, 4, 7 ]
[ "nonn", "base" ]
A190456
[ 8, 21, 42, 55, 76, 97, 110, 131, 144, 152, 165, 186, 199, 220, 241, 254, 275, 288, 309, 330, 343, 364, 377, 385, 398, 419, 432, 453, 474, 487, 508, 521, 542, 563, 576, 597, 618, 631, 652, 665, 686, 707, 720, 741, 754, 762, 775, 796, 809, 830, 851, 864, 885, 898, 919 ]
[ "nonn" ]
A271120
[ 4, 0, 39, -39, 104, -93, 197, -208, 336, -316, 487, -495, 668, -624, 847, -871, 1140, -1124, 1399, -1395, 1656, -1600, 1943, -1943, 2324, -2324, 2711, -2675, 3095, -3055, 3520, -3536, 4084, -4041, 4521, -4493, 5057, -5069, 5605, -5473, 6033, -6041, 6693 ]
[ "sign", "easy" ]
A024521
[ 1, 2, 6, 11, 18, 29, 42, 59, 78, 101, 130, 161, 198, 239, 282, 329, 382, 441, 502, 569 ]
[ "dead" ]
A197440
[ 164, 89528, 37989740, 15068331840, 6117749044788, 2476133354164264, 1002605692717130800, 405955156856554400000, 1.643714317602567e+23, 6.6554100814528845e+25, 2.6947801511575117e+28 ]
[ "nonn" ]
A306430
[ 38848397472, 38850486624, 39955028960, 41002131936, 41266440252, 41271882804, 41273232372, 42433832980, 42439669580, 42441951860, 43545898068, 44591929866 ]
[ "nonn", "tabf", "more" ]
A025694
[ 1, 2, 3, 4, 6, 8, 10, 13, 16, 19, 23, 27, 31, 36, 41, 46, 52, 58, 64, 70, 77, 84, 91, 99, 107, 115, 124, 133, 142, 152, 162, 172, 183, 194, 205, 217, 229, 241, 253, 266, 279, 292, 306, 320, 334, 349, 364, 379, 395, 411, 427, 444, 461, 478, 496, 514, 532, 550, 569, 588, 607 ]
[ "nonn", "easy", "changed" ]
A235453
[ 1, 0, 1, 2, 1, 1, 3, 8, 13, 15, 5, 1, 3, 21, 70, 181, 217, 142, 28, 4, 6, 49, 290, 1253, 3192, 4699, 3385, 1076, 110, 5, 6, 93, 867, 6044, 27041, 77970, 134353, 129929, 62177, 12511, 717, 11, 10, 171, 2266, 22302, 149217, 672506, 1958674, 3531747, 3695848, 2068757 ]
[ "nonn", "tabf" ]
A115579
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 2, 2, 1, 1, 3, 3 ]
[ "nonn", "tabf" ]
A076757
[ 3, 5, 11, 13, 17, 19, 29, 37, 43, 47, 59, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 139, 149, 151, 163, 167, 173, 179, 181, 191, 197, 199, 211, 223, 227, 229, 239, 251, 263, 269, 271, 277, 281, 307, 313, 317, 331, 337, 347 ]
[ "nonn" ]
A245662
[ 1119414, 52734279 ]
[ "nonn", "bref", "hard", "more" ]
A054770
[ 2, 6, 9, 13, 17, 20, 24, 27, 31, 35, 38, 42, 46, 49, 53, 56, 60, 64, 67, 71, 74, 78, 82, 85, 89, 93, 96, 100, 103, 107, 111, 114, 118, 122, 125, 129, 132, 136, 140, 143, 147, 150, 154, 158, 161, 165, 169, 172, 176, 179, 183, 187, 190, 194, 197, 201, 205, 208, 212 ]
[ "nonn", "easy" ]
A340276
[ 0, 0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 7, 8, 10, 11, 12, 13, 16, 17, 20, 22, 24, 25, 29, 30, 33, 35, 38, 40, 45, 47, 52, 55, 58, 60, 64, 66, 72, 75, 79, 81, 88, 90, 97, 101, 105, 108, 116, 119, 126, 130, 135, 139, 148, 151, 157, 161, 167, 171, 181, 183, 193, 198, 204, 209, 217 ]
[ "nonn" ]
A074534
[ 3, 13, 69, 415, 2673, 17863, 121809, 840055, 5830593, 40616263, 283524849, 1981523095, 13858068513, 96956127463, 678491524689, 4748635284535, 33237225602433, 232647693987463, 1628482317649329, 11399170063804376 ]
[ "easy", "nonn" ]
A335759
[ 7, 28, 161, 196, 91, 441, 973, 973, 1701, 805, 2527, 2485, 3507, 3528, 3171, 4655, 6111, 6020, 7749, 5551, 9219, 9366, 11263, 11312, 10661, 13090, 15631, 15519, 18151, 13307, 20377, 20531, 23429, 23457, 22589, 25991, 29407, 29379, 32977, 28154, 36001, 36001 ]
[ "nonn" ]
A005797
[ 0, 1, 8, 84, 992, 12514, 164688, 2232200, 30920128, 435506703, 6215660600, 89668182220, 1305109502496, 19138260194422, 282441672732656, 4191287776164504, 62496081197436740, 935823746406530600, 14065763582458333000, 212122153814497760000, 3.208590886304243e+21 ]
[ "nonn", "easy" ]
A247586
[ 1, 3, 6, 11, 17, 25, 36, 49, 64, 81, 102, 127, 154, 185, 219, 258, 301, 349, 401, 457, 520, 587, 660, 740, 824, 914, 1010, 1114, 1225, 1342, 1468, 1600, 1740, 1887, 2041, 2206, 2378, 2561, 2750, 2948 ]
[ "nonn" ]
A226148
[ 2, 3, 619, 1123, 3373, 4603, 6829, 9067, 18973, 25933, 29179, 29741, 33211, 40583, 48313, 72923, 74923, 117991, 130973, 202201, 231067, 253993, 255217, 267317, 291491, 339139, 346309, 363829, 423191, 449621, 476279, 489337, 519487, 533713, 539093, 592507, 602603, 621133 ]
[ "nonn" ]
A190111
[ 27720, 32760, 41580, 42840, 46200, 47880, 49140, 51480, 54600, 57960, 64260, 64680, 67320, 71400, 71820, 72072, 73080, 75240, 76440, 77220, 78120, 79560, 79800, 85800, 86940, 88920, 91080, 93240, 94248, 96600, 99960, 100980, 101640, 103320 ]
[ "nonn" ]
A015837
[ 1, 2, 3, 4, 5, 9, 10, 12, 13, 18, 21, 22, 25, 28, 36, 38, 40, 42, 45, 52, 55, 58, 60, 90, 93, 108, 112, 117, 130, 152, 153, 156, 175, 180, 182, 187, 208, 222, 226, 228, 246, 258, 264, 280, 306, 310, 313, 380, 396, 468, 490, 504, 532, 592, 609, 628, 700, 715 ]
[ "nonn" ]
A329921
[ 0, -1, 1, 0, -1, 0, 0, 1, 0, -1, 0, -2, 0, 0, 1, 0, -1, 7, 5, 0, 0, 3, 0, 1, 0, -1, -3, 2, 0, 19, -3, 0, -2, 0, 1, 0, -1, 11, 0, 6, 2, 0, -3, -2, 0, 0, 0, 1, 0, -1, 0, -3, 0, 3, 9, 2, -2, 0, 0, 0, 0, 0, 1, 0, -1, 0, 0, -4, 0, 0, 5, -2, 2, 0, 0, -3, 0, 0, 45, 1, 0, -1, 0, 0, 0, 0, 0, 0, -2, 0, -3, 2, 0, 3 ]
[ "sign" ]
A382815
[ 1, 8, 11, 51464, 51819, 52174, 573204, 37362253, 42781604, 122925461, 534483448, 3083975227 ]
[ "nonn", "more" ]
A254557
[ 170504, 443179, 1191782, 3450189, 8246808, 22508196, 59892062, 165385452, 447994455, 1233098106, 3358246607, 9233403548, 25332168892, 69690076249, 191199913388, 524626265145, 1436850857292, 3933840486592, 10761585580624 ]
[ "nonn" ]
A189354
[ 1, 7108, 1815601, 1883785285, 1206541811872, 927311536349401, 669245368116765000, 494966160398383900000, 3.62995012557977e+23, 2.6712204243331693e+26, 1.963434144352601e+29 ]
[ "nonn" ]
A167453
[ 2, 3, 30, 40, 41, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 63, 330, 333, 3333, 33333, 33400, 40300, 40400, 40401, 40402, 40404, 40405, 40406, 40407, 40408, 40409, 40410, 40411, 40412, 40414, 40415, 40416, 40417, 40418, 40419, 40420 ]
[ "base", "nonn" ]
A271930
[ 1, 3, 15, 90, 597, 4221, 31185, 237897, 1859568, 14816637, 119892942, 982565883, 8138777166, 68028775587, 573078135996, 4860507197700, 41470162208814, 355695498901179, 3065210379987489, 26525947283576640, 230425563258798850, 2008561878414115800, 17563090615911040000, 154014411705019300000, 1.3541424065617532e+21, 1.1934928413519025e+22, 1.0542606339099163e+23, 9.332065799208134e+23, 8.2764801327363e+24, 7.353508305213445e+25 ]
[ "nonn" ]
A237486
[ 357516, 27849668, 2218452183, 195900496272, 16931153946501, 1516655769265371, 133299196435954610, 11926329656540066000, 1.0540152428030409e+21, 9.409159678557951e+22, 8.336802475072524e+24 ]
[ "nonn" ]
A103796
[ 0, 1, 3, 5, 7, 11, 13, 15, 17, 19, 23, 27, 31, 35, 37, 43, 45, 47, 51, 57, 59, 67, 73, 79, 83, 85, 97, 99, 107, 111, 119, 123, 133, 135, 145, 151, 153, 155, 159, 163, 167, 173, 175, 185, 193, 201, 203, 211, 213, 215, 233, 245, 251, 253, 257, 259, 263, 267, 271, 277 ]
[ "nonn" ]
A146421
[ 1, 1, 1, 29, 229, 1773, 39925, 1086663, 55544427, 4442151653, 513575103485 ]
[ "nonn" ]
A196402
[ 1, 4, 5, 3, 6, 7, 3, 6, 6, 6, 4, 6, 1, 0, 4, 1, 6, 1, 8, 6, 8, 4, 3, 4, 3, 5, 6, 8, 1, 2, 7, 3, 4, 0, 0, 6, 4, 4, 5, 9, 5, 8, 8, 0, 6, 1, 9, 2, 1, 7, 4, 2, 7, 6, 2, 5, 6, 3, 4, 2, 4, 5, 1, 1, 3, 4, 3, 4, 1, 5, 8, 0, 3, 6, 1, 6, 5, 2, 4, 5, 9, 9, 3, 9, 8, 5, 4, 6, 5, 2, 6, 4, 3, 0, 8, 0, 5, 7, 3, 4 ]
[ "nonn", "cons" ]
A275286
[ 1, 8, 209, 10016, 822321, 98607816, 16772776929, 3755613340800, 1089481085841825, 392115220017568200, 173351482189397920000, 9.15138905369037e+22, 5.729618561890606e+25, 4.170641679534424e+28, 3.512066086257561e+31 ]
[ "easy", "nonn" ]
A309653
[ 6, 8, 20, 22, 33, 69, 82, 156, 171, 190, 198, 295, 354, 451, 581, 664, 1119, 1142, 1175, 1184, 2812, 2893, 4043, 4163, 4262, 4581, 5090, 6964, 7018, 12977, 14927, 15026, 15753, 19105, 22828, 22926, 25132, 25369, 28919, 29746, 38013, 39146, 47932, 74666, 80375 ]
[ "nonn" ]
A274331
[ 2, 3, 4, 5, 9, 27, 35, 44, 88, 104, 205, 290, 302, 381, 400, 686, 917, 1150, 2278, 2757, 3220, 3316, 7469, 9535, 21442, 46409, 103718, 123688, 147139 ]
[ "nonn", "more" ]
A009312
[ 2, 11, 29, 65, 128, 137, 263, 281, 326, 533, 569, 659, 722, 848, 1073, 1145, 1325, 1415, 1451, 1514, 1703, 1892, 2153, 2297, 2657, 2837, 2900, 2909, 3035, 3098, 3413, 3593, 3719, 3791, 3980, 4232, 4313, 4601, 5321, 5681, 5807, 5825, 5870, 6077, 6203, 6266 ]
[ "nonn" ]
A329666
[ 1, 1, 1, 3, 4, 7, 15, 26, 50, 102, 196, 392, 800, 1609, 3290, 6786, 13973, 28998, 60469, 126295, 264945, 557594, 1176004, 2487485, 5274110, 11204631, 23854581, 50881939, 108715072, 232671125, 498724913, 1070525053, 2301048452, 4952319218, 10671175097, 23020363339 ]
[ "nonn", "walk" ]
A168919
[ 1, 50, 2450, 120050, 5882450, 288240050, 14123762450, 692064360050, 33911153642450, 1661646528480050, 81420679895522450, 3989613314880600000, 195491052429149400000, 9.57906156902832e+21, 4.693740168823877e+23 ]
[ "nonn" ]
A222467
[ 1, 1, 4, 14, 64, 348, 2216, 16208, 134096, 1239280, 12660992, 141749472, 1726315648, 22725602368, 321611064448, 4869617171456, 78557096872192, 1345209881170176, 24370892054807550, 465737368803683840, 9363489160183292000 ]
[ "nonn", "easy" ]
A270351
[ 2, 5, 14, 707, 1470654, 1143462781221, 1.80553511325194e+24, 2.497859054491311e+48, 3.189945744303965e+96 ]
[ "nonn", "frac", "easy" ]
A223107
[ 0, 280, 13416, 737254, 40395409, 2222762597, 123093376161, 6858519798139, 384184470564745, 21618570758835696, 1221246943086629400, 69219708062618485000, 3.934674396591602e+21, 2.242221357571518e+23 ]
[ "nonn" ]
A058046
[ 2, 6, 12, 362, 884, 9722 ]
[ "nonn", "more" ]
A180838
[ 1, 1, 472, 300888, 333191079, 637698093267 ]
[ "nonn" ]
A089630
[ 1, 1, 4, 6, 56, 1275 ]
[ "nonn", "more" ]
A293914
[ 1, 2, 10, 69, 616, 6740, 87291, 1305710, 22149226, 420113979, 8810083360, 202397302184, 5054993327385, 136370982998354, 3951907646699026, 122432049983991280, 4038019273764782000, 141261207847788860000, 5.224370049771189e+21, 2.036700500534475e+23 ]
[ "nonn" ]
A174435
[ 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 3, 1, 1, 1, 2, 2, 3, 1, 1, 1, 1, 3, 1, 2, 1, 1, 1, 2, 1, 1, 2, 1, 1, 3, 2, 4, 2, 1, 1, 1, 1, 1, 1, 1, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 1, 4, 3, 1, 2, 1, 1, 9, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 5, 1, 3, 3, 1, 2, 1, 2, 2, 1, 1, 8, 1, 1, 1, 6 ]
[ "nonn" ]
A050858
[ 4, 10, 19, 30, 36, 47, 80, 82, 92, 100, 103, 114, 126, 140, 144, 152, 170, 210, 264, 514, 726, 967, 1662, 2423, 3116, 3974, 4396, 5735, 6680, 6707, 9947, 23814, 24330, 43074, 43775, 77922, 98179, 120362, 171154, 303670, 709727, 760942 ]
[ "hard", "nonn" ]
A205162
[ 13, 8479, 100138314, 16713430246949, 39233079877190975000, 1.295254361100908e+27, 6.014140544290722e+35 ]
[ "nonn" ]
A369827
[ 1, 1, 19, 825, 64673, 8692845, 2075942407, 947096199049, 871511924986417, 1641139351778666000, 6.294238937330719e+21, 4.887409818876026e+25, 7.654153304687649e+29, 2.411807887729296e+34, 1.5265344962164692e+39 ]
[ "nonn" ]
A306888
[ 0, 1, 1, 2, 1, 4, 3, 8, 11, 20, 31, 64, 105, 202, 367, 696, 1285, 2452, 4599, 8776, 16651, 31838, 60787, 116640, 223697, 430396, 828525, 1598228, 3085465, 5966000, 11545611, 22371000, 43383571, 84217616, 163617805, 318150720, 619094385, 1205614054, 2349384031, 4581315968 ]
[ "nonn" ]
A015462
[ 0, 1, 1, 6, 31, 781, 20156, 2460781, 317398281, 192565913906, 124176269429531, 376229476867085760, 1.2130351106246307e+21, 1.8371792960261298e+25, 2.9616952184780176e+29, 2.2426801247965816e+34 ]
[ "nonn", "easy" ]
A366833
[ 1, 2, 1, 3, 1, 2, 1, 1, 3, 1, 2, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn" ]
A045755
[ 1, 1, 9, 153, 3825, 126225, 5175225, 253586025, 14454403425, 939536222625, 68586144251625, 5555477684381625, 494437513909964600, 47960438849266565000, 5.035846079172989e+21, 5.690506069465478e+23, 6.885512344053228e+25, 8.882310923828666e+27 ]
[ "nonn" ]
A044742
[ 29, 129, 229, 299, 329, 429, 529, 629, 729, 829, 929, 1029, 1129, 1229, 1299, 1329, 1429, 1529, 1629, 1729, 1829, 1929, 2029, 2129, 2229, 2299, 2329, 2429, 2529, 2629, 2729, 2829, 2999, 3029, 3129, 3229, 3299, 3329, 3429 ]
[ "nonn", "base" ]
A115012
[ 1, 3, 6, 10, 10, 16, 23, 31, 40, 40, 51, 63, 76, 90, 90, 106, 123, 141, 160, 160, 181, 203, 226, 250, 250, 276, 303, 331, 360, 360, 391, 423, 456, 490, 490, 526, 563, 601, 640, 640, 681, 723, 766, 810, 810, 856, 903, 951, 1000, 1000, 1051, 1103, 1156, 1210, 1210, 1266 ]
[ "nonn" ]
A148429
[ 1, 1, 2, 5, 18, 64, 256, 1034, 4356, 18614, 81247, 359337, 1610581, 7291244, 33307717, 153290739, 710110090, 3307993147, 15485937086, 72808065800, 343619902508, 1627234919118, 7729314581738, 36814380964831, 175778394545330, 841173701044272, 4033587655388449, 19377913914053260, 93253546261952830 ]
[ "nonn", "walk" ]
A069247
[ 1, 2, 10, 97, 497, 1973, 6364, 17237, 41322, 90071, 181380, 342816, 614695, 1053411, 1737152, 2771031, 4292535, 6480448, 9562557, 13823734, 19618790, 27383266, 37644682, 51040022, 68330141, 90414697, 118354982, 153392467 ]
[ "nonn" ]
A385624
[ 0, 11, 33, 66, 110, 165, 231, 308, 396, 495, 605, 816, 1128, 1541, 2055, 2670, 3386, 4203, 5121, 6140, 7260, 8481, 9803, 11226, 12750, 14375, 16101, 17928, 19856, 21885, 24015, 26246, 28578, 31011, 33545, 36180, 38916, 41753, 44691, 47730, 50870, 54111, 57453, 60896 ]
[ "nonn", "base" ]
A149546
[ 1, 1, 5, 13, 55, 183, 819, 2879, 13133, 49151, 226067, 872789, 4051349, 16053849, 74860243, 302223013, 1415920713, 5801955375, 27265975349, 113089016787, 532974688093, 2232528832155, 10544821835299, 44546289272039, 210814127462689, 896958361967791, 4251815206240481, 18204116761339356 ]
[ "nonn", "walk" ]
A350479
[ 1, -1, 0, -1, 3, -3, 1, 0, 0, -1, 7, -21, 38, -62, 129, -262, 412, -543, 748, -1111, 1491, -1675, 1705, -1782, 1881, -1749, 1290, -716, 305, -249, 989, -4024, 13098, -36463, 92766, -223338, 509455, -1093243, 2218041, -4315247, 8126815, -14817936, 26133655 ]
[ "sign" ]
A154978
[ 9, 3, 5, 0, 7, 9, 9, 2, 9, 0, 2, 3, 9, 0, 2, 9, 0, 4, 4, 3, 8, 1, 3, 4, 4, 7, 9, 9, 6, 7, 8, 0, 9, 2, 4, 5, 9, 3, 8, 2, 6, 9, 5, 6, 6, 1, 0, 4, 6, 5, 5, 4, 8, 2, 3, 3, 8, 1, 8, 8, 1, 6, 6, 8, 4, 6, 4, 3, 1, 9, 6, 6, 0, 7, 0, 5, 8, 7, 6, 4, 6, 6, 6, 8, 7, 9, 0, 8, 6, 0, 4, 4, 0, 9, 3, 3, 1, 3, 3 ]
[ "nonn", "cons" ]
A208765
[ 1, 1, 2, 1, 4, 6, 1, 6, 18, 14, 1, 8, 36, 56, 38, 1, 10, 60, 140, 190, 94, 1, 12, 90, 280, 570, 564, 246, 1, 14, 126, 490, 1330, 1974, 1722, 622, 1, 16, 168, 784, 2660, 5264, 6888, 4976, 1606, 1, 18, 216, 1176, 4788, 11844, 20664, 22392, 14454, 4094, 1 ]
[ "nonn", "tabl" ]
A100830
[ 10, 11, 12, 13, 14, 15, 16, 17, 18, 1, 2, 3, 4, 5, 6, 7, 8, 9, 28, 29, 30, 31, 32, 33, 34, 35, 36, 19, 20, 21, 22, 23, 24, 25, 26, 27, 46, 47, 48, 49, 50, 51, 52, 53, 54, 37, 38, 39, 40, 41, 42, 43, 44, 45, 64, 65, 66, 67, 68, 69, 70, 71, 72, 55, 56, 57, 58, 59, 60, 61, 62, 63 ]
[ "nonn", "base", "easy" ]
A336108
[ 1, 2, 4, 14, 36, 99, 274, 813, 2278, 6692, 19206, 56687, 164416, 486052, 1422654, 4214023, 12408476, 36825663, 108926976, 323856358, 961177042, 2862551860, 8518115200, 25407468667, 75763113682, 226297498429, 675951314988, 2021528322571, 6046881759308, 18104307275968, 54219605813884 ]
[ "nonn" ]
A279987
[ 1, 3, 3, 7, 11, 23, 59, 87, 203, 503, 571, 727, 2507, 3831, 13627, 27095, 52939, 129015, 145467, 515799, 566731, 1799927, 3583291, 8388055, 8392395, 26032119, 62519355, 90054359, 2614731, 230192887, 995732795, 1476386263, 402697931, 2122020855, 6569769019 ]
[ "nonn", "easy" ]
A046321
[ 6561, 10935, 15309, 18225, 24057, 25515, 28431, 30375, 35721, 37179, 40095, 41553, 42525, 47385, 50301, 50625, 56133, 59535, 61965, 63423, 66339, 66825, 67797, 69255, 70875, 78975, 80919, 83349, 83835, 84375, 86751, 88209, 89667 ]
[ "nonn" ]
A245394
[ 0, 1, 3, 6, 7, 13, 20, 22, 23, 24, 25, 26, 27, 47, 49, 72, 73, 75, 77, 79, 81, 115, 117, 119, 121, 123, 125, 127, 129, 131, 133, 134, 189, 245, 253, 298, 341, 448, 454, 460, 525, 540, 546, 552, 558, 561, 734, 759, 769, 883, 892, 893, 903, 909, 915, 921, 927 ]
[ "nonn" ]
A243438
[ 23, 31, 103, 751, 4782991, 282429536503, 50031545098999730, 4.926960980478197e+37 ]
[ "nonn" ]
A220551
[ 13, 1490, 117022, 9943416, 832899775, 69961268156, 5873481159019, 493147308003276, 41404696495593736, 3476354713685117400, 291875923358702170000, 2.45060048168971e+22, 2.0575327041509885e+24 ]
[ "nonn" ]
A081824
[ 7, 7, 4, 8, 0, 9, 1, 7, 2, 9, 8, 6, 3, 6, 5, 0, 6, 4, 6, 6, 8, 0, 8, 2, 3, 3, 2, 3, 3, 0, 8, 7, 6, 3, 9, 4, 3, 5, 8, 7, 2, 8, 6, 0, 4, 7, 6, 7, 3, 3, 7, 0, 9, 1, 9, 5, 6, 3, 8, 3, 8, 3, 0, 3, 1, 6, 0, 7, 3, 5, 4, 7, 7, 5, 7, 4, 1, 3, 9, 4, 7, 6 ]
[ "cons", "nonn" ]
A295844
[ 12, 261, 2197, 26544, 333366, 3804661, 45214991, 538013975, 6343699611, 75116234061, 889359542764, 10520942085903, 124514937309050, 1473580659681018, 17437858397776248, 206362921178436160 ]
[ "nonn" ]
A375667
[ 0, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn", "easy" ]
A105047
[ 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 5, 4, 5, 3, 4, 3, 3, 7, 4, 5, 4, 3, 5, 5, 6, 5, 5, 4, 4, 3, 7, 5, 5, 7, 5, 5, 6, 4, 6, 5, 5, 7, 4, 6, 5, 4, 6, 5, 8, 5, 7, 4, 5, 6, 5, 3, 3, 8, 8, 5, 4, 5, 8, 8, 5, 5, 9, 4, 8, 7, 7, 6, 6, 5, 5, 7, 5, 7, 7, 6, 6, 6, 6, 5, 7, 7, 6, 6, 5, 6, 5, 5, 7, 4, 8, 4, 8, 5, 8, 7, 8, 9, 7, 5, 9 ]
[ "nonn" ]
A290907
[ 0, 1, 4, 13, 44, 152, 524, 1803, 6204, 21351, 73480, 252880, 870280, 2995049, 10307396, 35472677, 122078436, 420130248, 1445868996, 4975926307, 17124540796, 58933729999, 202819133840, 697997582240, 2402143306640, 8266923285201, 28450434416004, 97911543452733 ]
[ "nonn", "easy" ]
A277977
[ 0, 1, 19, 96, 298, 715, 1461, 2674, 4516, 7173, 10855, 15796, 22254, 30511, 40873, 53670, 69256, 88009, 110331, 136648, 167410, 203091, 244189, 291226, 344748, 405325, 473551, 550044, 635446, 730423, 835665, 951886, 1079824, 1220241, 1373923, 1541680, 1724346 ]
[ "nonn", "easy" ]
A066138
[ 3, 111, 10101, 1001001, 100010001, 10000100001, 1000001000001, 100000010000001, 10000000100000000, 1000000001000000000, 100000000010000000000, 1.00000000001e+22, 1.000000000001e+24, 1.0000000000001e+26, 1.00000000000001e+28, 1.000000000000001e+30 ]
[ "nonn", "base", "easy" ]
A276425
[ 0, 0, 2, 2, 6, 8, 20, 26, 48, 66, 114, 154, 240, 326, 490, 656, 940, 1252, 1752, 2306, 3142, 4104, 5500, 7114, 9372, 12030, 15656, 19932, 25628, 32402, 41270, 51816, 65400, 81608, 102226, 126800, 157698, 194550, 240454, 295110, 362600, 442902, 541342, 658230 ]
[ "nonn" ]
A024503
[ 1, 0, 0, 0, 0, 1, 1, 1, 1, 2, 3, 3, 5, 6, 8, 10, 13, 18, 23, 30, 39, 51, 67, 87, 114, 149, 195, 255, 334, 438, 574, 753, 988, 1298, 1706, 2242, 2948, 3877, 5102, 6716, 8842, 11646, 15343, 20220, 26654, 35144, 46349, 61142, 80673, 106467, 140537, 185545, 245015 ]
[ "nonn" ]
A347793
[ 0, 1, 3, 6, 7, 11, 12, 15, 17, 20, 22, 23, 25, 26, 28, 30, 31, 34, 36, 39, 41, 42, 44, 46, 47, 49, 50, 52, 55, 57, 60, 61, 65, 66, 68, 69, 71, 73, 74, 76, 79, 80, 84, 85, 88, 90, 93, 95, 98, 100, 103, 104, 107, 109, 112, 114, 115, 117, 119, 120, 122, 123 ]
[ "nonn" ]
A226529
[ 1, 67234, 101830, 114024, 133858, 162192, 165306, 210714, 216968, 229310, 232798, 422666, 426690, 449732, 462470, 468144, 498904, 506664, 509622, 528614, 572934, 581424, 638980, 641762, 656210, 698480, 704930, 730352, 795810, 840796, 908086, 975248, 976914, 990908, 1007874, 1037748, 1039970, 1067896, 1082054, 1097352, 1102754, 1132526, 1162996, 1171010, 1177808, 1181388 ]
[ "nonn", "hard" ]
A272026
[ 3, 9, 15, 3, 21, 0, 27, 9, 33, 0, 3, 39, 15, 0, 45, 0, 0, 51, 21, 9, 57, 0, 0, 3, 63, 27, 0, 0, 69, 0, 15, 0, 75, 33, 0, 0, 81, 0, 0, 9, 87, 39, 21, 0, 3, 93, 0, 0, 0, 0, 99, 45, 0, 0, 0, 105, 0, 27, 15, 0, 111, 51, 0, 0, 0, 117, 0, 0, 0, 9, 123, 57, 33, 0, 0, 3, 129, 0, 0, 21, 0, 0, 135, 63, 0, 0, 0, 0, 141, 0, 39, 0, 0, 0 ]
[ "nonn", "tabf" ]
A112518
[ 1, 1, 1, -1, -4, -7, -6, 3, 21, 40, 40, -5, -106, -226, -256, -39, 519, 1257, 1591, 592, -2441, -6880, -9655, -5365, 10836, 37026, 57411, 41104, -43784, -195632, -335251, -288787, 146261, 1012395, 1925220, 1921485, -249566, -5112401, -10880591, -12302944 ]
[ "easy", "sign" ]
A015172
[ 1, 2, -5, 116, 2797, 480614, -90693665, 125808208472, 190450108052689, 2111092262515670800, -2.55575588061115e+22, 2.2667169393571587e+27, 2.1954229193512764e+32 ]
[ "sign" ]
A286159
[ 1, 1, 3, 1, 4, 6, 1, 4, 3, 10, 1, 4, 8, 7, 15, 1, 4, 8, 3, 6, 21, 1, 4, 8, 13, 7, 11, 28, 1, 4, 8, 13, 3, 12, 10, 36, 1, 4, 8, 13, 19, 7, 6, 16, 45, 1, 4, 8, 13, 19, 3, 12, 11, 15, 55, 1, 4, 8, 13, 19, 26, 7, 18, 17, 22, 66, 1, 4, 8, 13, 19, 26, 3, 12, 6, 10, 21, 78, 1, 4, 8, 13, 19, 26, 34, 7, 18, 11, 16, 29, 91, 1, 4, 8, 13, 19, 26, 34, 3, 12, 25, 17, 23, 28, 105 ]
[ "nonn", "tabl" ]
A106542
[ 3, 3, -3, -18, -33, -15, 84, 261, 333, -138, -1557, -3315, -2436, 6153, 24009, 36390, 1431, -129639, -323292, -318819, 400725, 2149686, 3807795, 1476405, -10310388, -30697599, -37588047, 20103078, 186854271, 384871329, 260548788, -769001739, -2840006499 ]
[ "easy", "sign" ]
A057631
[ 3, 283, 6793, 22963, 752023, 2707163, 44923183, 44923183, 961129823, 1147752443, 6879806623, 131145172583, 177746482483, 795537219143, 4028596340953, 6987191424553, 269013937530553, 281659318133953, 281659318133953 ]
[ "nonn" ]