Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A304284
[ 120, 460, 1472, 57584, 69488, 76516, 93148, 231748, 600928, 1924096, 8009728, 8043652, 33626692, 1078034816, 2139324416, 2535523012, 8572567552, 188403300352, 4206202918912, 4380585567748, 76053488975872, 140734325850112 ]
[ "nonn", "hard", "more" ]
A273782
[ 3, 17, 27, 33, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 128, 136, 144, 152, 160, 168, 176, 184, 192, 200, 208, 216, 224, 232, 240, 248, 256, 264, 272, 280, 288, 296, 304, 312, 320, 328, 336, 344, 352, 360, 368, 376, 384, 392, 400, 408, 416, 424, 432 ]
[ "nonn", "easy" ]
A196630
[ 1, 2, 5, 10, 26, 65, 161, 403, 1006, 2511, 6270, 15654, 39083, 97579, 243625, 608258, 1518637, 3791578, 9466426, 23634809, 59008985, 147327627, 367832622, 918367047, 2292885358, 5724642758, 14292705299, 35684571667, 89093606033, 222439846274 ]
[ "nonn" ]
A292036
[ 612, 794976, 954380016 ]
[ "nonn", "more", "bref" ]
A216115
[ 1020, 11020, 39600, 99960, 208900, 386820, 657720, 1049200, 1592460, 2322300, 3277120, 4498920, 6033300, 7929460, 10240200, 13021920, 16334620, 20241900, 24810960, 30112600, 36221220, 43214820, 51175000, 60186960, 70339500, 81725020, 94439520, 108582600, 124257460, 141570900 ]
[ "nonn", "easy" ]
A241384
[ 0, 1, 0, 0, 1, 2, 0, 4, 3, 5, 5, 9, 8, 17, 14, 26, 29, 43, 46, 71, 76, 109, 120, 162, 185, 251, 285, 375, 440, 560, 653, 831, 967, 1209, 1417, 1743, 2045, 2505, 2925, 3553, 4166, 5014, 5864, 7040, 8213, 9798, 11431, 13555, 15795, 18671, 21693, 25536, 29651 ]
[ "nonn", "easy" ]
A006047
[ 1, 2, 3, 2, 4, 6, 3, 6, 9, 2, 4, 6, 4, 8, 12, 6, 12, 18, 3, 6, 9, 6, 12, 18, 9, 18, 27, 2, 4, 6, 4, 8, 12, 6, 12, 18, 4, 8, 12, 8, 16, 24, 12, 24, 36, 6, 12, 18, 12, 24, 36, 18, 36, 54, 3, 6, 9, 6, 12, 18, 9, 18, 27, 6, 12, 18, 12, 24, 36, 18, 36, 54, 9, 18, 27, 18, 36, 54, 27, 54 ]
[ "nonn" ]
A139881
[ 2, 89, 101, 113, 149, 173, 233, 269, 353, 401, 509, 569, 701, 773, 797, 809, 821, 857, 881, 929, 941, 977, 1013, 1061, 1109, 1193, 1217, 1277, 1289, 1409, 1481, 1493, 1601, 1637, 1721, 1901, 1949, 1997, 2213, 2237, 2273, 2297, 2309, 2333, 2357 ]
[ "nonn", "easy" ]
A211194
[ 1, 1, 4, 31, 394, 7441, 195544, 6822451, 305075254, 17010802021, 1157048302084, 94291964597671, 9069435785880514, 1016607721798423800, 131360503523334460000, 1.938268592854498e+22, 3.2390039186485414e+24, 6.085399115189288e+26 ]
[ "nonn" ]
A343621
[ 1, 3, 5, 7, 11, 15, 17, 19, 23, 27, 29, 31, 35, 39, 41, 47, 53, 55, 59, 63, 65, 71, 79, 83, 87, 89, 95, 99, 103, 107, 111, 119, 125, 127, 131, 139, 143, 149, 155, 159, 161, 167, 175, 179, 191, 195, 197, 199, 203, 207, 209, 215, 219, 223, 227, 233, 239, 251, 255 ]
[ "nonn" ]
A077657
[ 1, 2, 33, 603, 602, 2522, 211673, 3405123, 3405122, 49799889, 202536181, 3195380868, 5208143601, 85843948321, 97524222465 ]
[ "nonn", "more" ]
A094771
[ 3, 5, 0, 6, 8, 0, 1, 2, 4, 6, 0, 6, 6, 0, 4, 2, 6, 0, 4, 8, 6, 2, 4, 6, 0, 2, 0, 6, 0, 4, 8, 6, 3, 4, 2, 4, 5, 6, 4, 9, 6, 4, 1, 1, 1, 2, 4, 0, 1, 5, 2, 0, 9, 4, 4, 5, 0, 2, 4, 4, 7, 7, 5, 9, 1, 4, 7, 3, 5, 4, 4, 8, 4, 8, 8, 5, 3, 6, 1, 4, 2, 0, 6, 8, 9, 9, 2, 3, 9, 0, 5, 2, 3, 8, 9, 4, 0, 2, 5, 0, 6, 6, 3, 1, 3 ]
[ "cons", "nonn" ]
A284008
[ 2, 6, 6, 30, 90, 90, 30, 210, 630, 450, 1350, 1890, 3150, 3150, 210, 2310, 6930, 3150, 47250, 330750, 992250, 141750, 47250, 103950, 173250, 110250, 330750, 519750, 242550, 242550, 2310, 30030, 90090, 34650, 3638250, 3638250, 272868750, 173643750, 11576250, 200103750, 600311250, 34728750, 2604656250, 28651218750, 1910081250, 272868750, 3638250, 9459450, 15765750 ]
[ "nonn" ]
A230992
[ 0, 16, 182, 10914, 465638, 20549430, 899786196, 39531660010, 1735714471900, 76213836360618, 3346443118527598, 146938989787609600, 6451913103215824000, 283296068073088420000, 1.243920288324122e+22, 5.4619100768359306e+23 ]
[ "nonn" ]
A197506
[ 1, 1, 0, 1, 9, 6, 9, 5, 6, 5, 5, 4, 4, 0, 6, 8, 6, 6, 9, 4, 9, 6, 9, 1, 2, 8, 3, 5, 8, 8, 6, 2, 6, 7, 2, 2, 1, 9, 9, 8, 4, 4, 3, 3, 3, 3, 6, 0, 6, 2, 2, 9, 1, 2, 0, 7, 6, 6, 2, 5, 7, 2, 2, 0, 0, 8, 3, 9, 8, 9, 8, 7, 2, 1, 8, 9, 7, 9, 5, 0, 2, 9, 0, 3, 6, 9, 0, 5, 9, 2, 5, 5, 5, 0, 2, 6, 5, 2, 0 ]
[ "nonn", "cons" ]
A181485
[ 1, 4, 112, 144, 23400, 28224, 247104, 604800, 26812800, 2677752000, 6805814400, 165145780800, 1248124550400, 17996854730400, 388778796252000 ]
[ "hard", "more", "nonn" ]
A169595
[ 53, 20543, 47843, 176227, 396953, 471187, 995887, 1083113, 1867253, 5022653, 17449567, 22873583, 32003407, 38673847, 59808803, 96144127, 113561243, 143570873, 164563687, 225835807, 238818893, 272773499, 286557983, 349504957 ]
[ "nonn" ]
A158320
[ 0, 4, 18, 4, 258, 26, 38, 344, 513, 10, 4, 14642, 14, 14, 15, 16, 18, 18, 20, 4, 160002, 4, 234257, 530, 4, 390626, 4, 531442, 30, 4, 810001, 4, 1048577, 4, 1336338, 36, 46657, 1874162, 39, 59320 ]
[ "nonn", "base", "less" ]
A169667
[ 23361421521715200000, 1.940346827811979e+43, 1.2389761771281087e+106 ]
[ "easy", "fini", "full", "nonn", "bref" ]
A062446
[ 0, 0, 1, 3, 10, 24, 50, 95, 165, 269, 418, 624, 900, 1262, 1728, 2317, 3051, 3953, 5050, 6369, 7940, 9796, 11973, 14508, 17441, 20816, 24676, 29072, 34052, 39673, 45989, 53060, 60950, 69724, 79450, 90201, 102051, 115079, 129367, 144999 ]
[ "nonn", "easy" ]
A029618
[ 1, 3, 2, 3, 5, 2, 3, 8, 7, 2, 3, 11, 15, 9, 2, 3, 14, 26, 24, 11, 2, 3, 17, 40, 50, 35, 13, 2, 3, 20, 57, 90, 85, 48, 15, 2, 3, 23, 77, 147, 175, 133, 63, 17, 2, 3, 26, 100, 224, 322, 308, 196, 80, 19, 2, 3, 29, 126, 324, 546, 630, 504, 276, 99, 21, 2, 3, 32, 155, 450, 870 ]
[ "nonn", "easy", "tabl" ]
A143098
[ 1, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2, 2, -1, 2 ]
[ "sign", "easy" ]
A278093
[ 0, 214, 9033, 588464, 37564017, 2422349439, 156188151088, 10066675051315, 648924377800150, 41828515552220500, 2696243081009380400, 173797341847907070000, 1.1202831237960968e+22, 7.221249012216546e+23 ]
[ "nonn" ]
A349624
[ 1, -1, -1, 9, -4, 1, -5, -19, 23, 4, -6, -9, -9, 5, 4, 43, -14, -23, -17, -36, 5, 6, -17, 19, 29, 9, -65, -45, -28, -4, -14, -43, 6, 14, 20, 207, -27, 17, 9, 76, -34, -5, -41, -54, -92, 17, -39, -43, 71, -29, 14, -81, -47, 65, 24, 95, 17, 28, -30, 36, -48, 14, -115, 981, 36, -6, -63, -126, 17, -20, -40, -437, -70, 27 ]
[ "sign", "mult" ]
A113242
[ 0, 2, 4, 6, 8, 10, 12, 18, 24, 26, 28, 30, 36, 54, 72, 78, 80, 82, 84, 90, 108, 162, 216, 234, 240, 242, 244, 246, 252, 270, 324, 486, 648, 702, 720, 726, 728, 730, 732, 738, 756, 810, 972, 1458, 1944, 2106, 2160, 2178, 2184, 2186, 2188, 2190, 2196, 2214, 2268 ]
[ "nonn" ]
A364194
[ 1, 25, 133, 581, 1331, 3923, 6667, 14347, 23824, 41824, 57796, 106180, 136938, 202794, 283794, 410770, 499204, 726652, 863832, 1199832, 1496184, 1879512, 2171520, 3000960, 3485335, 4223527, 5010847, 6240159, 6971829, 8915829, 9869141, 11933525, 13658501 ]
[ "nonn", "easy" ]
A117038
[ 8, 1, 4, 4, 7, 7, 2, 1, 6, 6, 9, 9, 5, 1, 2, 1, 2, 5, 4, 4, 5, 8, 2, 8, 7, 6, 3, 0, 1, 7, 8, 6, 2, 8, 9, 7, 1, 0, 6, 7, 2, 0, 7, 4, 7, 1, 6, 0, 7, 2, 7, 8, 3, 4, 3, 2, 5, 9, 0, 6, 3, 7, 4, 3, 0, 8, 1, 5, 9, 6, 2, 8, 0, 8, 5, 6, 2, 6, 1, 5, 7, 2, 0, 9, 2, 0, 8, 8, 9, 3, 0, 3, 1, 2, 6, 8, 0, 8, 3, 7, 4, 3, 0, 6, 8 ]
[ "cons", "nonn", "less" ]
A062094
[ 2, 12, 34, 217, 731, 1743, 2183, 3759, 21179, 121179, 931303, 1931303, 11175573, 11379829, 17896361, 18419721, 96919009, 889910891, 1889910891, 2742368917, 25741106537, 110203233579, 679231622473, 1679231622473, 7921256096487 ]
[ "nonn", "easy", "base" ]
A179627
[ 2, 6, 5, 12, 11, 8, 10, 15, 12, 14, 68, 16, 70, 21, 67, 10, 23, 15, 20, 66, 74, 25, 71, 22, 76, 19, 57, 65, 73, 11, 32, 21, 59, 29, 18, 13, 26, 18, 45, 23, 23, 15, 31, 77, 20, 77, 28, 47, 12, 25, 55, 36, 17, 44, 79, 52, 22, 30, 14, 30, 41, 76, 27, 57, 84, 27, 19, 73, 81, 24, 81 ]
[ "nonn" ]
A331688
[ 1, 1, 3, 17, 137, 1389, 16819, 236557, 3792753, 68326073, 1366917731, 30074632521, 721798881913, 18766625660197, 525460685327187, 15763716503597188, 504436925448024960, 17150818356045630000, 617428780939911600000, 2.3462281235407347e+22 ]
[ "nonn" ]
A343409
[ 0, 1, 3, 6, 8, 10, 15, 21, 27, 28, 36, 45, 55, 64, 66, 78, 91, 105, 120, 125, 136, 153, 171, 190, 204, 210, 216, 231, 253, 276, 300, 312, 315, 323, 325, 343, 351, 378, 406, 435, 465, 496, 504, 512, 528, 561, 588, 595, 630, 666, 703, 720, 729, 741, 780, 820 ]
[ "nonn", "easy" ]
A226203
[ 1, -3, -1, 1, 1, 3, -1, 1, 3, 3, 5, 1, 3, 5, 5, 7, 3, 5, 7, 7, 9, 5, 7, 9, 9, 11, 7, 9, 11, 11, 13, 9, 11, 13, 13, 15, 11, 13, 15, 15, 17, 13, 15, 17, 17, 19, 15, 17, 19, 19, 21, 17, 19, 21, 21, 23, 19, 21, 23, 23, 25, 21, 23, 25, 25 ]
[ "sign", "easy" ]
A151184
[ 1, 3, 12, 51, 227, 1032, 4771, 22303, 105172, 499224, 2382287, 11417067, 54911577, 264895775, 1281143686, 6209829047, 30157663079, 146707096810, 714753840271, 3486934763359, 17031540144399, 83279152024797, 407612515967400, 1996870740970424, 9790634214005764, 48039818387010010, 235882744914207300 ]
[ "nonn", "walk" ]
A172775
[ 1, 8092, 14823083089, 1160317947294167600, 1.6050782944485263e+27, 2.2683738449062603e+37, 2.255071025881975e+48 ]
[ "nonn" ]
A197067
[ 9, 299, 10582, 338295, 11800402, 387792259, 12999535244, 440670363348, 14820242617606, 498301224553681, 16772367971351744, 564485156664944450, 18997537893037093000, 639342717193072700000, 2.151620646364485e+22 ]
[ "nonn" ]
A372215
[ 1, 5, 65, 1013, 16897, 292005, 5157569, 92456341, 1675300865, 30604622405, 562675808065, 10398428960309, 192983418877441, 3594314403564773, 67146652988725700, 1257656071818605000, 23609209650223284000, 444081728926392450000, 8.367715805572617e+21 ]
[ "nonn", "easy" ]
A356484
[ 1, 2, 44, 5210, 1368900, 604109562, 535920536336, 728155179271474, 1103827431509790200, 2.6513757136542604e+21, 7.537958658258053e+24 ]
[ "nonn", "hard", "more" ]
A372434
[ 8, 90, 3822, 2479430 ]
[ "nonn", "more" ]
A339503
[ 5, 11, 17, 41, 101, 149, 179, 227, 431, 461, 641, 821, 1031, 1151, 1229, 1289, 1619, 1697, 1877, 2111, 2129, 2141, 2801, 2999, 3251, 3257, 3299, 3467, 3527, 3671, 3917, 4001, 4049, 4931, 4967, 5501, 5519, 5639, 6299, 6359, 6689, 7307, 7349, 7487, 7547, 7877, 7949, 8009, 8291, 8429, 8597, 8819 ]
[ "nonn" ]
A090211
[ 1, -1, -1, 41, -375, -3001, 177063, -990543, -144800527, 3644593711, 214013895023, -12488200175463, -553322483517383, 61495192102867640, 2469939623420627500, -448608666325921200000, -1.9104207797417792e+22, 4.742067751530355e+24 ]
[ "sign", "easy" ]
A270556
[ 2, 5, 19, 6299, 35743868, 4259425108512909, 4.128726833778798e+31, 8.25246558421355e+63 ]
[ "nonn", "frac", "easy" ]
A382715
[ 0, 1, -1, 3, 4, -3, 6, 7, 13, 9, 10, 11, -12, 18, 14, 15, 16, -18, 20, 21, 25, 23, 19, 28, -24, 22, 26, 27, 30, 31, 32, -32, 29, 33, 34, 35, 36, 37, 38, 39, 40, -39, 42, 43, 44, 45, 46, 47, 48, 49, -49, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, -59, 62, 63, 64, 65 ]
[ "sign" ]
A329290
[ 1, 2, 0, 0, 6, 8, 0, 0, 12, 10, 0, 0, 8, 8, 0, 0, 6, 16, 0, 0, 24, 16, 0, 0, 24, 10, 0, 0, 0, 24, 0, 0, 12, 16, 0, 0, 30, 8, 0, 0, 24, 32, 0, 0, 24, 24, 0, 0, 8, 18, 0, 0, 24, 24, 0, 0, 48, 16, 0, 0, 0, 24, 0, 0, 6, 32, 0, 0, 48, 32, 0, 0, 36, 16, 0, 0, 24, 32 ]
[ "nonn" ]
A187502
[ 0, 0, 1, 1, 1, 1, 2, 2, 3, 5, 6, 7, 12, 15, 18, 30, 39, 45, 75, 99, 114, 189, 252, 288, 477, 639, 729, 1206, 1620, 1845, 3051, 4104, 4671, 7722, 10395, 11826, 19548, 26325, 29943, 49491, 66663, 75816, 125307, 168804, 191970, 317277 ]
[ "nonn", "easy" ]
A302609
[ 0, 1, 4, 29, 288, 3649, 56160, 1017029, 21181440, 498682881, 13095232000, 379443829709, 12025239367680, 413761766695809, 15360425115176960, 611958601019294300, 26042588632355176000, 1.17900974982694e+21, 5.657912641469603e+22, 2.868848293506101e+24 ]
[ "nonn" ]
A325654
[ 6, 28, 496, 8128, 60480, 65520, 4357080, 33550336, 47139840, 91065600, 285981696, 2758909440, 8589869056, 87722956800, 132867440640, 137438691328, 306007080960, 806062473216, 1409150457792, 363485766938112, 12177456042320640, 29884246553283840 ]
[ "nonn" ]
A387948
[ 1, 0, 2, 12, 132, 1920, 34680, 756000, 19288080, 564157440, 18617588640, 684413452800, 27739649931840, 1229021283409920, 59098102112649600, 3065382777468211000, 170608657948836300000, 1.014207831652793e+22, 6.413710646353904e+23, 4.299286335400899e+25 ]
[ "nonn" ]
A118521
[ 6, 9, 12, 24, 45, 57, 78, 90, 12, 24, 45, 57, 78, 90, 12, 24, 45, 57, 78, 90, 12, 24, 45, 57, 78, 90, 12, 24, 45, 57, 78, 90, 12, 24, 45, 57, 78, 90, 12, 24, 45, 57, 78, 90, 12, 24, 45, 57, 78, 90, 12, 24, 45, 57, 78, 90, 12, 24, 45, 57, 78, 90, 12, 24, 45, 57, 78, 90 ]
[ "nonn", "base" ]
A228652
[ 1, 2, 3, 5, 7, 15, 19, 27, 31, 47 ]
[ "nonn" ]
A172032
[ 0, 1, 3, 19, 19, 379, 379, 3539, 3539, 42461, 42461, 1868459, 1868459, 32384089, 32384089, 388644103, 388644103, 26424178387, 26424178387, 669590253599, 669590253599, 1605990140413, 1605990140413, 148027376624695, 148027376624695, 980410698447157 ]
[ "nonn", "frac" ]
A187413
[ 1, 3, 5, 7, 9, 10, 13, 14, 16, 18, 20, 22, 24, 25, 27, 29, 31, 33, 35, 37, 38, 40, 42, 44, 46, 48, 50, 52, 53, 55, 57, 59, 61, 63, 65, 67, 68, 70, 72, 74, 76, 77, 80, 82, 83, 85, 87, 89, 91, 92, 94, 97, 98, 100, 102, 104, 106, 108, 110, 111, 113, 115, 117, 119, 121, 122, 124, 126, 128, 130, 132, 134, 136, 137, 139, 141, 143, 145, 147, 149, 151, 152, 154 ]
[ "nonn" ]
A340540
[ 1, 6, 288, 24444, 2738592, 361998432, 53414223552, 8525232846072, 1443209364298944, 255769050813120580, 47020653859202580000, 8.907614785269428e+21, 1.7302084097410261e+24, 3.432666324351929e+26, 6.935055143910988e+28 ]
[ "nonn", "walk" ]
A136283
[ 1, 2, 8, 64, 1024, 27449, 1052793, 53470067, 3451287371, 275322712826, 26566919914276, 3047264283807562, 409523561958024450, 63703577287372235000, 1.1351386036074642e+22, 2.2962957627346452e+24, 5.232231969066716e+26, 1.333572996012791e+29 ]
[ "nonn" ]
A380028
[ 1, -1, -3, -12, -79, -760, -9561, -147994, -2716239, -57632040, -1387518625, -37365406606, -1112793904311, -36312032900884, -1288357188957489, -49380149141206290, -2033232328710196000, -89506187915127440000, -4.1949486819940777e+21, -2.085451347274118e+23 ]
[ "sign", "easy" ]
A354500
[ 99, 124, 119, 123, 242, 107, 111, 197, 48, 1, 103, 43, 254, 215, 171, 118, 202, 130, 201, 125, 250, 89, 71, 240, 173, 212, 162, 175, 156, 164, 114, 192, 183, 253, 147, 38, 54, 63, 247, 204, 52, 165, 229, 241, 113, 216, 49, 21, 4, 199, 35, 195, 24, 150, 5, 154, 7, 18, 128, 226 ]
[ "nonn", "easy", "fini", "full" ]
A099146
[ 0, 1, 2, 3, 4, 5, 6, 7, 154, 227, 300, 373, 446, 455, 11314, 12547, 17876, 27310, 889435, 894619, 899803, 926371, 1257716, 1262900, 1268084, 1273268, 1294652, 1368461, 1373645, 1405397, 2067519, 63367795, 71877268, 98383349 ]
[ "base", "nonn" ]
A235989
[ 1, 2, 6, 10, 12, 28, 76, 120, 312, 588, 672, 888, 1060, 1264, 1656, 14496, 17900, 22896, 44676, 71712, 77688, 95040, 183600, 233088, 327424, 411264, 425376, 446016, 453258, 655776, 1041120, 1253304, 2708640, 5241856, 5468352, 8676576, 9738912, 12536640, 59489184 ]
[ "nonn" ]
A062873
[ 1, 1, 3, 17, 140, 1623, 23688, 414292, 8408768, 193891685, 5001814400, 142675793706, 4458289724928, 151440666806527, 5556047001924608, 218947599027613700, 9223382498249720000, 413620308786882400000, 1.967320723883512e+22, 9.89209888652707e+23, 5.2428801216451e+25 ]
[ "easy", "nonn" ]
A043022
[ 2, 18, 130, 138, 146, 154, 162, 170, 178, 186, 1026, 1098, 1170, 1242, 1314, 1386, 1458, 1530, 8194, 8258, 8322, 8386, 8450, 8514, 8578, 8642, 8714, 8778, 8842, 8906, 8970, 9034, 9098, 9162, 9234, 9298, 9362, 9426, 9490 ]
[ "nonn", "base" ]
A153578
[ 3, 7, 16, 3, 5, 2, 2, 2, 2, 3, 2, 15, 3, 14, 3, 2, 6, 3, 6, 9, 4, 3, 2, 9, 8, 3, 4, 4, 17, 24, 6, 4, 4, 3, 2, 9, 6, 8, 3, 4, 59, 10, 20, 4, 7, 31, 4, 3, 4, 2, 3, 3, 14, 6, 2, 3, 3, 29, 3, 3, 8, 121, 3, 25, 4, 8, 4, 2, 2, 10, 4, 13, 7, 10, 3, 2, 4, 2, 2, 3, 3, 2, 10, 4, 4, 6, 2, 8, 12, 4, 6, 5, 5, 3, 3, 4, 3 ]
[ "nonn" ]
A030221
[ 1, 6, 29, 139, 666, 3191, 15289, 73254, 350981, 1681651, 8057274, 38604719, 184966321, 886226886, 4246168109, 20344613659, 97476900186, 467039887271, 2237722536169, 10721572793574, 51370141431701, 246129134364931, 1179275530392954, 5650248517599839 ]
[ "nonn", "easy" ]
A159040
[ 1, 1, 1, 1, -4, 1, 1, -6, -6, 1, 1, -8, 11, -8, 1, 1, -10, 19, 19, -10, 1, 1, -12, 29, -40, 29, -12, 1, 1, -14, 41, -70, -70, 41, -14, 1, 1, -16, 55, -112, 139, -112, 55, -16, 1, 1, -18, 71, -168, 251, 251, -168, 71, -18, 1, 1, -20, 89, -240, 419, -504, 419, -240, 89, -20, 1 ]
[ "sign", "tabl", "uned" ]
A033440
[ 0, 0, 1, 3, 6, 10, 15, 21, 28, 35, 43, 52, 62, 73, 85, 98, 112, 126, 141, 157, 174, 192, 211, 231, 252, 273, 295, 318, 342, 367, 393, 420, 448, 476, 505, 535, 566, 598, 631, 665, 700, 735, 771, 808, 846, 885, 925 ]
[ "nonn", "easy" ]
A043256
[ 68, 86, 168, 186, 268, 286, 368, 386, 468, 486, 568, 586, 668, 680, 768, 786, 860, 886, 968, 986, 1068, 1086, 1168, 1186, 1268, 1286, 1368, 1386, 1468, 1486, 1568, 1586, 1668, 1680, 1768, 1786, 1860, 1886, 1968, 1986, 2068 ]
[ "nonn", "base" ]
A010959
[ 1, 43, 903, 12341, 123410, 962598, 6096454, 32224114, 145008513, 563921995, 1917334783, 5752004349, 15338678264, 36576848168, 78378960360, 151532656696, 265182149218, 421171648758, 608359048206, 800472431850, 960566918220, 1052049481860, 1052049481860 ]
[ "nonn", "fini", "full", "easy" ]
A150268
[ 1, 2, 6, 22, 89, 382, 1702, 7781, 36229, 170985, 815280, 3918288, 18949282, 92098505, 449432199, 2200447618, 10803036616, 53158537133, 262081270998, 1294220057191, 6400089819063, 31687261079330, 157048357040647, 779063981769830, 3867712897176363, 19214747051732096, 95516560740768620 ]
[ "nonn", "walk" ]
A301415
[ 3, 3, 3, 3, 3, 3, 4, 3, 3, 5, 3, 4, 4, 5, 5, 5, 4, 3, 4, 4, 4, 6, 3, 4, 5, 4, 3, 4, 3, 7, 5, 5, 6, 9, 6, 5, 8, 6, 8, 8, 8, 6, 6, 8, 6, 5, 7, 8, 9, 5, 5, 7, 6, 5, 6, 5, 6, 5, 6, 9, 9, 6, 9, 9, 6, 6, 7, 8, 7, 7, 7, 9, 5, 10, 10, 5, 13, 9, 9, 8, 10, 10, 7, 10, 8 ]
[ "nonn" ]
A287359
[ 2, 7, 9, 11, 14, 17, 22, 27, 32, 34, 36, 41, 43, 45, 50, 52, 54, 57, 60, 65, 67, 69, 72, 75, 80, 82, 84, 87, 90, 95, 100, 105, 107, 109, 112, 115, 120, 125, 130, 132, 134, 137, 140, 145, 150, 155, 157, 159, 164, 166, 168, 173, 175, 177, 180, 183, 188, 193 ]
[ "nonn", "easy" ]
A280954
[ 1, 1, 2, 2, 4, 4, 7, 7, 11, 11, 17, 17, 26, 26, 37, 37, 53, 53, 74, 74, 101, 101, 137, 137, 183, 183, 240, 240, 314, 314, 406, 406, 520, 520, 662, 662, 837, 837, 1049, 1049, 1311, 1311, 1627, 1627, 2008, 2008, 2469, 2469, 3021, 3021, 3678, 3678, 4466, 4466 ]
[ "nonn" ]
A375967
[ 11, 13, 15, 17, 19, 39, 59, 79, 99, 1001, 20, 21, 22, 23, 24, 25, 26, 27, 28, 102, 30, 31, 32, 33, 34, 35, 36, 37, 38, 1005, 40, 41, 42, 43, 44, 45, 46, 47, 48, 105, 50, 51, 52, 53, 54, 55, 56, 57, 58, 1009, 60, 61, 62, 63, 64, 65, 66, 67, 68, 108, 70, 71, 72 ]
[ "nonn", "base", "easy" ]
A197350
[ 1, 1, 1, 1, 1, 1, 1, 9, 9, 1, 1, 17, 18, 17, 1, 1, 33, 83, 83, 33, 1, 1, 89, 245, 441, 245, 89, 1, 1, 249, 914, 2289, 2289, 914, 249, 1, 1, 553, 3155, 12399, 17577, 12399, 3155, 553, 1, 1, 1321, 11287, 71411, 152111, 152111, 71411, 11287, 1321, 1, 1, 3361, 39850, 387651 ]
[ "nonn", "tabl" ]
A298371
[ 0, 0, 1, 3, 7, 17, 40, 90, 198, 430, 922, 1956, 4115, 8597, 17853, 36883, 75856, 155396, 317228, 645580, 1310132, 2652072, 5356277, 10795351, 21716195, 43608549, 87429944, 175025918, 349901074, 698604058, 1393149486, 2775103948, 5522129511, 10977608425 ]
[ "nonn", "easy" ]
A386258
[ 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 2, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 2, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 2, 2, 0, 0, 1, 0, 0, 0 ]
[ "nonn", "easy" ]
A009473
[ 1, -4, 68, -2472, 152144, -14034560, 1799730624, -304857999232, 65741679927552, -17551668357299200, 5675908680156886000, -2.1844089332111625e+21, 9.860283590611078e+23, -5.156743842909748e+26 ]
[ "sign" ]
A380691
[ 1, 1, 1, 2, 1, 2, 2, 1, 1, 3, 1, 1, 2, 2, 2, 1, 1, 3, 1, 1, 3, 2, 2, 2, 1, 4, 1, 1, 2, 2, 3, 3, 1, 1, 4, 1, 2, 2, 2, 2, 2, 4, 1, 1, 2, 2, 1, 2, 4, 3, 1, 4, 1, 1, 1, 3, 5, 2, 1, 2, 5, 2, 2, 3, 2, 1, 3, 1, 4, 2, 4, 2, 2, 2, 2, 1, 6, 1, 1, 1, 2, 2, 5, 2, 1, 4, 1 ]
[ "nonn", "easy" ]
A279464
[ 8, 210, 5228, 129914, 3086910, 69493918, 1529974962, 33126514762, 707716447612, 14949807134092, 312951296969010, 6502024596897858, 134230949193071180, 2756009011243310600, 56318237615423390000, 1.1460809017761972e+21 ]
[ "nonn" ]
A361568
[ 1, 0, 0, 1, 12, 60, 130, 420, 8400, 101080, 781200, 4435200, 37714600, 607807200, 8660652000, 94007313400, 914497584000, 11566931376000, 198256136478400, 3275456501116800, 46558791351072000, 636647461257808000, 10238792220969312000, 194852563745775940000 ]
[ "nonn" ]
A354521
[ 2, 1, 1, 3, 1, 2, 1, 2, 1, 1, 2, 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, 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, 1, 1, 1, 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 ]
[ "nonn", "easy", "word" ]
A093565
[ 1, 8, 1, 8, 9, 1, 8, 17, 10, 1, 8, 25, 27, 11, 1, 8, 33, 52, 38, 12, 1, 8, 41, 85, 90, 50, 13, 1, 8, 49, 126, 175, 140, 63, 14, 1, 8, 57, 175, 301, 315, 203, 77, 15, 1, 8, 65, 232, 476, 616, 518, 280, 92, 16, 1, 8, 73, 297, 708, 1092, 1134, 798, 372, 108, 17, 1, 8, 81, 370, 1005 ]
[ "nonn", "easy", "tabl" ]
A314285
[ 1, 5, 12, 17, 21, 26, 35, 40, 43, 52, 57, 59, 66, 75, 78, 81, 90, 95, 99, 106, 113, 118, 121, 128, 135, 139, 144, 151, 156, 159, 168, 175, 177, 184, 191, 194, 199, 208, 213, 215, 222, 229, 234, 239, 246, 253, 255, 260, 269, 274 ]
[ "nonn" ]
A264384
[ 0, 347, 22484, 828400, 48714516, 2546661201, 135926940964, 7028273171990, 373730198247984, 19642240165929616, 1037225681776050200, 54639267702225390000, 2.881673580028316e+21, 1.5188694137799896e+23 ]
[ "nonn" ]
A285084
[ 2, 3, 6, 9, 13, 14, 18, 20, 21, 24, 28, 29, 32, 35, 39, 41, 42, 45, 49, 50, 53, 56, 60, 62, 63, 66, 70, 71, 74, 78, 79, 82, 85, 89, 90, 94, 96, 97, 100, 104, 105, 108, 112, 113, 116, 119, 123, 125, 126, 129, 132, 136, 137, 141, 143, 144, 147, 151, 152, 155 ]
[ "nonn", "easy" ]
A147278
[ 1, 1, 1, 1, 1, 5, 13, 29, 79, 475, 3011, 19375, 140949, 1504567, 19831039, 315319119, 5871550053, 136334165017, 3923421131189, 139268183686163 ]
[ "nonn" ]
A161392
[ 1, 2, 7, 32, 175, 1080 ]
[ "more", "nonn" ]
A196161
[ 1, 2, 4, 9, 22, 57, 155, 439, 1283, 3837, 11675, 36013, 112348, 353836, 1123431, 3591616, 11551046, 37343096, 121280307, 395496997, 1294457887, 4250811199, 14001176036, 46243806379, 153123238870, 508207709138, 1690355937970, 5633580018286, 18810483711103, 62917378114528, 210788885780702, 707273100413094 ]
[ "nonn" ]
A357716
[ 1, 8, 36, 112, 274, 560, 1008, 1640, 2479, 3536, 4844, 6392, 8170, 10136, 12308, 14680, 17291, 20160, 23248, 26440, 29674, 32992, 36456, 40040, 43834, 47712, 51752, 55840, 60250, 64856, 69560, 74088, 78331, 82440, 86500, 90616, 95074, 99568, 104188, 108528, 113304 ]
[ "nonn" ]
A353662
[ 0, -1, 1, -3, 3, -4, -2, 2, 4, -9, 9, -10, -8, 8, 10, -12, -6, 6, 12, -13, -11, -7, -5, 5, 7, 11, 13, -27, 27, -28, -26, 26, 28, -30, -24, 24, 30, -31, -29, -25, -23, 23, 25, 29, 31, -36, -18, 18, 36, -37, -35, -19, -17, 17, 19, 35, 37, -39, -33, -21, -15, 15 ]
[ "sign", "base" ]
A185955
[ 7, 23, 47, 167, 251, 359, 389, 839, 941, 1367, 1847, 1889, 2207, 2417, 3719, 3761, 4889, 5039, 6311, 7079, 7919, 8609, 9377, 10607, 11411, 11447, 13841, 15227, 16127, 17159, 18869, 19319, 20411, 24611, 25589, 26669, 29501, 29927, 36017, 36479, 37907, 43037, 44519, 44927, 45569, 49727, 50627, 52889, 54287, 57119, 62057, 65309, 66047, 70529, 85037, 85847, 95369, 97967, 99191 ]
[ "nonn" ]
A352792
[ 0, 1, 2, 2, 4, 4, 6, 7, 5, 7, 10, 9, 11, 10, 14, 6, 15, 17, 15, 10, 20, 16, 22, 18, 22, 12, 26, 14, 28, 21, 28, 31, 23, 28, 33, 24, 29, 37, 22, 39, 26, 39, 30, 27, 41, 37, 45, 35, 47, 49, 28, 50, 52, 29, 51, 55, 41, 50, 58, 40, 49, 44, 52, 45, 54, 44, 53, 47 ]
[ "nonn" ]
A088408
[ 1, 4, 7, 10, 19, 22, 25, 34, 37, 40, 52, 55, 67, 70, 85, 100, 169, 172, 175, 184, 187, 190, 202, 205, 217, 220, 235, 250, 334, 337, 340, 352, 355, 367, 370, 385, 400, 502, 505, 517, 520, 535, 550, 667, 670, 685, 700, 835, 850, 1000, 1669, 1672, 1675, 1684, 1687 ]
[ "nonn" ]
A282360
[ 1, 0, 111, 10, 10011, 11110, 1100111, 1111010, 110010011, 111001110, 11010010111, 10001001010, 1001000000011, 10101110, 101000000010111, 111010011010, 11001010001110012, 11000011010101110, 1110101110010010100, 100110101011001010, 100111100000110000000 ]
[ "nonn", "easy" ]
A003448
[ 1, 3, 15, 81, 422, 2124, 10223, 47813, 218130, 977354, 4315130, 18833538, 81424236, 349303352, 1488748719, 6310303727, 26621551418, 111854042306, 468309841090, 1954642186302, 8136002036672, 33782928166668, 139971138117190, 578803145957026 ]
[ "nonn" ]
A001181
[ 1, 1, 2, 6, 22, 92, 422, 2074, 10754, 58202, 326240, 1882960, 11140560, 67329992, 414499438, 2593341586, 16458756586, 105791986682, 687782586844, 4517543071924, 29949238543316, 200234184620736, 1349097425104912, 9154276618636016, 62522506583844270 ]
[ "nonn", "nice", "easy" ]
A368140
[ 1, 4, 22, 1154, 337192, 477360876, 2872203226920, 72057597041056850, 7.46250506032691e+21, 3.169126500571694e+27, 5.492677668532712e+33, 3.8716571525226774e+40, 1.1069361513512164e+48 ]
[ "nonn" ]
A177680
[ 1, 5, 110, 135, 355, 425, 555, 565, 975, 1045, 1755, 5530, 6935, 7355, 8925, 9240, 9555, 10640, 10850, 11730, 11830, 12045, 12350, 12460, 13130, 13445, 13655, 14590, 15540, 17050, 19245, 20795, 22330, 22825, 26070, 26910, 28075, 30585, 30805 ]
[ "nonn" ]
A150630
[ 1, 2, 7, 27, 115, 496, 2203, 9920, 45411, 209940, 979623, 4601579, 21744703, 103247146, 492314131, 2355900011, 11309419723, 54439264932, 262687966031, 1270289989275, 6154650238423, 29871399257282, 145206884273859, 706861991466206, 3445426296696735, 16813717974366998, 82139970279742860 ]
[ "nonn", "walk" ]
A238335
[ 0, 1, 2, 3, 5, 6, 24, 26, 76, 166, 184, 734, 766, 816, 826, 874, 876, 924, 934, 1624, 1666, 1684, 2374, 2624, 2716, 4784, 4874, 4876, 5126, 5166, 5184, 5716, 5734, 6126, 6216, 6234, 7316, 7334, 7666, 8166, 8266, 8566, 8674, 8734, 8876, 9076, 9126, 9234 ]
[ "nonn", "base" ]
A261531
[ 1, 1, 1, 2, 2, 4, 15, 25, 69, 254, 1799, 4039, 16828, 61751, 349831, 3485031, 10391139, 49433136, 240065255, 1282012987, 9167583734, 131550812011, 459677216341, 2707382738559, 14318807603110, 94084166753927, 601900541251447, 5894253303715375 ]
[ "nonn" ]
A033293
[ 1, 2, 10, 11, 19, 27, 28, 36, 44, 52, 53, 61, 69, 77, 85, 86, 94, 102, 110, 118, 126, 127, 135, 143, 151, 159, 167, 175, 176, 184, 192, 200, 208, 216, 224, 232, 233, 241, 249, 257, 265, 273, 281, 289, 297, 298, 306, 314, 322, 330, 338, 346, 354, 362, 370, 371, 379, 387, 395, 403, 411 ]
[ "nonn", "easy", "nice", "tabl" ]
A126456
[ 1, 5, 55, 1330, 58905, 4187106, 437353560, 63140314380, 12049276177620, 2938311614386005, 891655291709643500, 329600203128234840000, 1.4583023256750506e+23, 7.610271577589672e+25 ]
[ "nonn" ]