id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A385489
[ 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 25, 26, 27, 28, 30, 32, 34, 35, 36, 39, 40, 42, 44, 45, 48, 50, 51, 52, 54, 55, 56, 58, 60, 63, 64, 65, 66, 68, 70, 72, 74, 75, 76, 78, 80, 81, 82, 84, 85, 87, 88, 90, 91, 95, 96, 98, 99, 100 ]
[ "nonn" ]
A327194
[ 0, 1, 1, 2, 1, 2, 5, 10, 1, 2, 5, 10, 9, 10, 13, 18, 1, 2, 5, 10, 17, 26, 29, 34, 9, 10, 13, 18, 25, 34, 45, 58, 1, 2, 5, 10, 17, 26, 37, 50, 25, 26, 29, 34, 41, 50, 61, 74, 9, 10, 13, 18, 25, 34, 45, 58, 49, 50, 53, 58, 65, 74, 85, 98, 1, 2, 5, 10, 17, 26, 37 ]
[ "nonn", "look", "base" ]
A292295
[ 0, 0, 6, 18, 54, 174, 582, 1974, 6726, 22950, 78342, 267462, 913158, 3117702, 10644486, 36342534, 124081158, 423639558, 1446395910, 4938304518, 16860426246, 57565095942, 196539531270, 671027933190, 2291032670214, 7822074814470, 26706233917446, 91180786040838 ]
[ "nonn", "easy" ]
A223537
[ 1, 2, 2, 4, 3, 8, 8, 8, 12, 12, 16, 12, 5, 4, 192, 32, 32, 10, 10, 64, 64, 64, 48, 128, 15, 160, 128, 240, 128, 128, 192, 192, 240, 240, 80, 80, 256, 192, 80, 64, 17, 80, 96, 160, 20480, 512, 512, 160, 160, 34, 34, 176, 176, 40960, 40960, 1024 ]
[ "nonn", "tabl" ]
A372366
[ 3, 4, 7, 0, 0, 9, 0, 6, 5, 9, 5, 0, 8, 9, 5, 3, 7, 2, 8, 4, 2, 0, 5, 8, 3, 2, 5, 6, 3, 7, 0, 2, 4, 5, 6, 5, 5, 8, 0, 2, 4, 5, 7, 3, 7, 0, 6, 6, 6, 7, 5, 3, 7, 8, 9, 7, 4, 3, 4, 9, 0, 3, 6, 1, 1, 2, 0, 3, 4, 8, 9, 6, 8, 0, 6, 9, 8, 2, 1, 4, 0, 4, 7, 4, 1, 5 ]
[ "nonn", "cons" ]
A390011
[ 1, 1, 3, 19, 201, 3001, 57403, 1333179, 36380753, 1140542065, 40396085811, 1595414047459, 69523106792857, 3313793538584361, 171510379926687460, 9579129246449906000, 574261910848799440000, 3.6780943846496264e+22, 2.506644104953787e+24 ]
[ "nonn" ]
A150662
[ 1, 2, 7, 29, 125, 562, 2597, 12210, 58097, 279086, 1350199, 6567293, 32080325, 157251140, 772958093, 3808104405, 18796934995, 92929725778, 460047738803, 2280054707147, 11311248677395, 56161619393806, 279051051744105, 1387400623154992, 6901759158188955, 34350115522554030, 171033917741551360 ]
[ "nonn", "walk" ]
A212429
[ 1, 1, 2, 4, 48, 96, 1152, 2304, 276480, 552960, 6635520, 13271040, 33443020800, 66886041600, 802632499200, 1605264998400, 385263599616000, 770527199232000, 194172854206464000, 388345708412928000, 512616335105064960000, 1.0252326702101299e+21 ]
[ "nonn" ]
A250825
[ 1259712, 52143132, 1873942536, 55391628438, 1525209775370, 39740455817308, 1007787722785066, 25110474604105256, 619799735662212500, 15211804638221517000, 372179227609025150000, 9.089401027099504e+21 ]
[ "nonn" ]
A222024
[ 2, 3, 4, 7, 11, 17, 28, 44, 70, 113, 179, 286, 458, 730, 1167, 1864, 2976, 4756, 7595, 12132, 19382, 30957, 49453, 78995, 126181, 201567, 321974, 514314, 821567, 1312346, 2096327, 3348644, 5349052, 8544512, 13648859, 21802452, 34826922 ]
[ "nonn" ]
A381721
[ 17, 7, 31, 49, 127, 287, 721, 1799, 4607, 11857, 30751, 79999, 208657, 544967, 1424671, 3726449, 9750527, 25518367, 66793681, 174844999, 457712767, 1198247057, 3136953631, 8212492799, 21500328977, 56288177287, 147363690271, 385802064049, 1010041159807, 2644319243807, 6922913058001, 18124414244999, 47450320478207 ]
[ "nonn", "easy" ]
A072884
[ 1, 136, 153, 244, 370, 371, 407, 919, 1459 ]
[ "nonn", "fini", "full", "base" ]
A327020
[ 1, 1, 1, 2, 17, 1451, 3741198 ]
[ "nonn", "more" ]
A020831
[ 1, 1, 6, 2, 4, 7, 6, 3, 8, 7, 4, 3, 8, 1, 9, 2, 8, 0, 6, 9, 9, 0, 4, 6, 9, 3, 9, 6, 6, 2, 8, 3, 3, 9, 6, 8, 0, 0, 0, 3, 7, 2, 1, 0, 2, 1, 2, 5, 5, 5, 0, 4, 8, 1, 3, 4, 4, 7, 0, 3, 3, 1, 9, 4, 7, 6, 1, 8, 1, 4, 4, 5, 0, 6, 3, 0, 1, 3, 7, 4, 3, 4, 1, 5, 9, 9, 0, 9, 5, 7, 9, 8, 2, 4, 1, 8, 4, 0, 6 ]
[ "nonn", "cons" ]
A108667
[ 20, 34, 57, 48, 80, 112, 62, 103, 144, 185, 76, 126, 176, 226, 276, 90, 149, 208, 267, 326, 385, 104, 172, 240, 308, 376, 444, 512, 118, 195, 272, 349, 426, 503, 580, 657, 132, 218, 304, 390, 476, 562, 648, 734, 820, 146, 241, 336, 431, 526, 621, 716, 811 ]
[ "nonn", "tabl" ]
A281760
[ 2, 14, 47, 90, 201, 374, 672, 1172, 2015, 3442, 5859, 9952, 16876, 28574, 48309, 81554, 137477, 231418, 389016, 653080, 1095019, 1833842, 3067719, 5126372, 8557988, 14273314, 23784417, 39600082, 65880265, 109518782, 181933584, 302025692 ]
[ "nonn" ]
A347796
[ 1, 1, 1, 1, 1, 2, 4, 2, 5, 6, 8, 11, 8, 13, 17, 17, 23, 25, 27, 33, 38, 37, 50, 48, 58, 63, 73, 70, 89, 82, 107, 102, 122, 112, 148, 136, 164, 161, 185, 173, 223, 196, 241, 231, 268, 254, 304, 273, 332, 318, 364, 348, 403, 364, 444, 415, 477, 448, 525, 479, 567 ]
[ "nonn" ]
A090433
[ 11, 13, 23, 61, 101, 103, 107, 109, 151, 163, 211, 223, 227, 241, 251, 271, 311, 313, 317, 331, 337, 347, 401, 421, 431, 433, 443, 461, 503, 509, 521, 523, 701, 911, 1009, 1013, 1021, 1031, 1033, 1051, 1061, 1063, 1103, 1109, 1117, 1123, 1129, 1151 ]
[ "nonn", "base" ]
A241647
[ 3, 126, 186, 399, 924, 1350, 1386, 1530, 1806, 2106, 2646, 2652, 2814, 2916, 3066, 3150, 3654, 3870, 4662, 4914, 6162, 6426, 6846, 6882, 6930, 7098, 7566, 7620, 8190, 8910, 9270, 10842, 11076, 12222, 12870, 14586, 14910, 15210, 15246, 15930, 16506, 17010 ]
[ "nonn" ]
A262655
[ 5, 151, 11511, 5115115, 13511511531, 5135115115315, 15513511511531552, 1155135115115315500, 1.4115513511511532e+22, 1.3141155135115115e+26, 5.131411551351151e+28, 1.1551314115513512e+34, 1.1511551314115515e+40 ]
[ "nonn", "easy", "base" ]
A068753
[ 1, 1469, 172989921, 1678843050246451, 1.354915464537161e+24 ]
[ "nonn" ]
A304647
[ 5, 8, 30, 360, 1801800, 2.746644314348615e+21, 1.326835077323651e+130 ]
[ "nonn" ]
A298439
[ 1, 1, 11, 2, 27, 36, 86, 162, 368, 727, 1536, 3227, 6657, 14037, 29089, 61102, 127035, 266162, 554714, 1160052, 2421034, 5058677, 10563272, 22064711, 46083287, 96250175, 201033571, 419875536, 876978777, 1831656308, 3825692016, 7990395794 ]
[ "nonn" ]
A105217
[ 2, 3, 11, 61, 431, 3626, 35124, 383783, 4662223, 62276683, 906637753, 14280356652, 241859495794, 4381438966659, 84512370607339, 1728802226304029, 37374059917912350, 851227845700838000, 20368894028832160000 ]
[ "easy", "nonn" ]
A308251
[ 1, 2, 3, 6, 9, 14, 21, 34, 49, 76, 101, 146, 205, 294, 397, 560, 747, 1028, 1341, 1810, 2343, 3178, 4051, 5370, 6921, 9014, 11361, 14838, 18719, 24082, 29953, 38220, 47663, 60550, 74619, 93848, 115961, 145320, 177549, 221676, 270335, 335124 ]
[ "nonn" ]
A375392
[ 7, 3, 2, 7, 7, 2, 4, 7, 5, 3, 4, 1, 7, 7, 5, 2, 1, 2, 0, 4, 3, 6, 8, 2, 8, 1, 1, 9, 4, 5, 9, 0, 7, 2, 8, 8, 6, 1, 9, 3, 1, 9, 4, 9, 9, 4, 2, 5, 3, 3, 7, 7, 0, 7, 4, 1, 3, 1, 9, 8, 4, 9, 5, 6, 9, 7, 4, 1, 0, 4, 1, 5, 8, 2, 1, 0, 0, 3, 8, 1, 5, 5, 8, 3, 4, 8, 5 ]
[ "nonn", "cons", "easy" ]
A364238
[ 1, 2, 4, 5, 7, 8, 10, 16, 17, 25, 26, 28, 30, 35, 37, 38, 40, 42, 44 ]
[ "nonn", "hard", "more" ]
A246150
[ 1, 3, 20, 95, 545, 2812, 14386, 68379, 307390, 1291582, 5106100, 19006858, 66942270, 223810001, 713195934, 2173442602, 6355468797, 17884351793, 48563133156, 127555643649, 324799429322, 803377153389, 1933758657660, 4537110254019, 10392125492520, 23268770873311 ]
[ "nonn" ]
A318812
[ 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 6, 1, 3, 1, 3, 1, 1, 1, 11, 1, 1, 2, 3, 1, 4, 1, 20, 1, 1, 1, 15, 1, 1, 1, 11, 1, 4, 1, 3, 3, 1, 1, 51, 1, 3, 1, 3, 1, 11, 1, 11, 1, 1, 1, 21, 1, 1, 3, 90, 1, 4, 1, 3, 1, 4, 1, 80, 1, 1, 3, 3, 1, 4, 1, 51, 6, 1, 1 ]
[ "nonn" ]
A067347
[ 1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 5, 6, 3, 1, 0, 14, 20, 12, 4, 1, 0, 42, 70, 51, 20, 5, 1, 0, 132, 252, 222, 104, 30, 6, 1, 0, 429, 924, 978, 548, 185, 42, 7, 1, 0, 1430, 3432, 4338, 2904, 1150, 300, 56, 8, 1, 0, 4862, 12870, 19323, 15432, 7170, 2154, 455, 72, 9, 1, 0, 16796 ]
[ "nonn", "tabl" ]
A368711
[ 0, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1 ]
[ "nonn", "easy" ]
A151034
[ 1, 3, 9, 31, 117, 451, 1777, 7199, 29637, 123299, 518993, 2206159, 9445397, 40707171, 176521745, 769398527, 3368657701, 14810903779, 65363377937, 289425316975, 1285506346741, 5725875634595, 25570006950097, 114460194724255, 513500131303429, 2308442353517859, 10397462576136912, 46915044504633870 ]
[ "nonn", "walk" ]
A135583
[ 3, 8, 28, 108, 428, 1708, 6828, 27308, 109228, 436908, 1747628, 6990508, 27962028, 111848108, 447392428, 1789569708, 7158278828, 28633115308, 114532461228, 458129844908, 1832519379628, 7330077518508, 29320310074028 ]
[ "nonn", "easy" ]
A197705
[ 1, 1, 10, 39, 464, 13117, 385689, 22773446, 2779601106, 534016211475 ]
[ "nonn" ]
A249311
[ 1, 9, 10, 82, 92, 748, 840, 6824, 7664, 62256, 69920, 567968, 637888, 5181632, 5819520, 47272576, 53092096, 431272704, 484364800, 3934546432, 4418911232, 35895282688, 40314193920, 327476455424, 367790649344, 2987602292736, 3355392942080, 27256211283968 ]
[ "nonn", "easy" ]
A197600
[ 12, 506, 37037, 3834008, 512501792, 83914215402, 16258109291002, 3637416562713075, 922786228220640100, 261741863272493580000, 8.207803232173069e+22, 2.8195269239973687e+25, 1.05294259538397e+28, 4.2472666931409605e+30 ]
[ "nonn", "less" ]
A220414
[ 13, 73, 425, 2477, 14437, 84145, 490433, 2858453, 16660285, 97103257, 565959257, 3298652285, 19225954453, 112057074433, 653116492145, 3806641878437, 22186734778477, 129313766792425, 753695865976073, 4392861429064013, 25603472708408004, 149227974821384030 ]
[ "nonn", "easy" ]
A314267
[ 1, 5, 11, 18, 24, 28, 34, 40, 42, 49, 59, 62, 67, 75, 78, 84, 92, 96, 102, 106, 109, 119, 126, 129, 137, 142, 144, 152, 160, 164, 168, 173, 179, 186, 193, 199, 204, 208, 212, 220, 228, 230, 235, 243, 246, 253, 263, 266, 270, 276 ]
[ "nonn" ]
A214015
[ 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 2, 1, 0, 1, 1, 2, 5, 1, 0, 1, 1, 2, 6, 14, 1, 0, 1, 1, 2, 6, 23, 42, 1, 0, 1, 1, 2, 6, 24, 103, 132, 1, 0, 1, 1, 2, 6, 24, 119, 513, 429, 1, 0, 1, 1, 2, 6, 24, 120, 694, 2761, 1430, 1, 0, 1, 1, 2, 6, 24, 120, 719, 4582, 15767, 4862, 1, 0 ]
[ "nonn", "tabl" ]
A123228
[ 6, -14, 22, 466, -6714, 51346, -205418, -638414, 19787526, -195455054, 1126500502, -1636604654, -47878102074, 662684162386, -4965254864618, 19072814136946, 71067700116486, -1976406503675534, 19086772122105624, -107375947452919220, 128777308208472000, 4884916184617735000 ]
[ "sign", "easy" ]
A151801
[ 2, 4, 21, 330, 14610, 1820715, 653629616, 696496706166, 2267861968974085, 23151301116946350000, 7.574901645680702e+23, 8.095084094187176e+28 ]
[ "nonn" ]
A386745
[ 0, 1, 20, 90, 336, 650, 1800, 2450, 5440, 7371, 13000, 14762, 30240, 28730, 49000, 58500, 87296, 83810, 147420, 130682, 218400, 220500, 295240, 280370, 489600, 406875, 574600, 597780, 823200, 708122, 1170000, 924482, 1397760, 1328580, 1676200, 1592500, 2476656 ]
[ "nonn", "mult", "easy", "changed" ]
A051969
[ 34, 55, 78, 95, 119, 138, 155, 174, 194, 205, 215, 222, 266, 287, 299, 305, 318, 335, 377, 395, 429, 482, 527, 623, 755, 782, 861, 885, 1022, 1055, 1205, 1405, 1469, 1965, 2013, 2093, 2222, 2301, 2373, 2877, 3005, 3237, 3597, 3813, 4893 ]
[ "nonn", "fini" ]
A210399
[ 549, 29647, 1596154, 85979301, 4631193134, 249456180709, 13436785945910, 723763304576749, 38985016148233740, 2099901274580673000, 113109748262417630000, 6.092579354615211e+21, 3.281726266963509e+23 ]
[ "nonn" ]
A158571
[ 13, 17, 31, 53, 71, 103, 107, 211, 233, 251, 431, 503, 521, 701, 1021, 1061, 1151, 1201, 1223, 1511, 1601, 2011, 2141, 2213, 2411, 3001, 3023, 3041, 3203, 3221, 4013, 4211, 5003, 5021, 6011, 6101, 7001, 10007, 10061, 10111, 10133, 10151, 10223, 10313 ]
[ "base", "nonn" ]
A294698
[ 1, 1, 2, 6, 21, 74, 248, 780, 2309, 6483, 17407, 45028, 112921, 275964, 660030, 1550320, 3586449, 8190493, 18500893, 41399992, 91896773, 202564062, 443789172, 967093220, 2097536909, 4530328551, 9748157339, 20905142940, 44695397953, 95295673696, 202670082154 ]
[ "nonn", "easy" ]
A347458
[ 1, 2, 2, 4, 2, 6, 2, 8, 4, 6, 2, 17, 2, 6, 6, 15, 2, 17, 2, 16, 6, 6, 2, 41, 4, 6, 8, 16, 2, 31, 2, 27, 6, 6, 6, 56, 2, 6, 6, 39, 2, 31, 2, 17, 17, 6, 2, 90, 4, 17, 6, 17, 2, 41, 6, 39, 6, 6, 2, 105, 2, 6, 17, 48, 6, 31, 2, 17, 6, 31, 2, 148, 2, 6, 17, 17, 6, 32, 2, 86, 15, 6, 2, 107, 6, 6, 6, 40, 2, 109, 6, 17 ]
[ "nonn" ]
A112100
[ 1, 2, 12, 5, 280, 2520, 220, 120120, 144144, 1361360, 25865840, 77597520, 22881320, 371821450, 11473347600, 9242418900, 6876359661600, 20629078984800, 281488407200, 118731810156960, 254425307479200, 8113340360725600, 36090376087365600, 9419588158802422000 ]
[ "nonn", "frac" ]
A332667
[ 0, 1, 2, 4, 5, 3, 10, 11, 6, 7, 20, 21, 12, 13, 8, 35, 36, 22, 23, 14, 9, 56, 57, 37, 38, 24, 15, 16, 84, 85, 58, 59, 39, 25, 26, 17, 120, 121, 86, 87, 60, 40, 41, 27, 18, 165, 166, 122, 123, 88, 61, 62, 42, 28, 19, 220, 221, 167, 168, 124, 89, 90, 63, 43, 29, 30 ]
[ "nonn", "tabl" ]
A305671
[ 7, 0, 0, 0, 0, 0, 0, 24, 24, 24, 24, 24, 24, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
[ "nonn", "look" ]
A331051
[ 4, 6, 9, 10, 12, 14, 15, 18, 20, 21, 22, 25, 26, 28, 33, 34, 35, 38, 39, 44, 45, 46, 48, 49, 50, 51, 52, 55, 57, 58, 62, 63, 65, 68, 69, 72, 74, 75, 76, 77, 80, 82, 85, 86, 87, 91, 92, 93, 94, 95, 98, 99, 106, 108, 111, 112, 115, 116, 117, 118, 119, 121, 122 ]
[ "nonn" ]
A357702
[ 0, 2, 6, 10, 12, 16, 22, 18, 22, 28, 34, 20, 24, 30, 36, 38, 26, 30, 36, 42, 44, 50, 34, 38, 44, 50, 52, 58, 66, 28, 32, 38, 44, 46, 52, 60, 54, 34, 38, 44, 50, 52, 58, 66, 60, 66, 42, 46, 52, 58, 60, 66, 74, 68, 74, 82, 50, 54, 60, 66, 68, 74, 82, 76, 82, 90 ]
[ "nonn", "easy" ]
A298785
[ 1, 5, 11, 21, 35, 51, 71, 95, 121, 151, 185, 221, 261, 305, 351, 401, 455, 511, 571, 635, 701, 771, 845, 921, 1001, 1085, 1171, 1261, 1355, 1451, 1551, 1655, 1761, 1871, 1985, 2101, 2221, 2345, 2471, 2601, 2735, 2871, 3011, 3155, 3301, 3451, 3605, 3761, 3921, 4085, 4251, 4421, 4595, 4771 ]
[ "nonn", "easy" ]
A268468
[ 4, 507, 1377, 12608, 55291, 55290, 55289, 145645, 104455, 104454, 336734, 336733, 336732, 525907, 1960873, 1836239, 2176265, 2176264, 2176263, 2176262, 2176261, 2176260, 2176259, 2176258 ]
[ "nonn", "more" ]
A046664
[ 0, 1, 8, 29, 79, 174, 338, 597, 984, 1531, 2284, 3285, 4581, 6232, 8294, 10821, 13896 ]
[ "dead" ]
A095125
[ 1, 3, 8, 24, 69, 202, 587, 1711, 4981, 14508, 42248, 123039, 358314, 1043497, 3038897, 8849971, 25773136, 75057288, 218584013, 636566754, 1853828259, 5398772767, 15722463557, 45787417156, 133343452216, 388326692343, 1130896324178, 3293429273169, 9591220826529 ]
[ "nonn", "easy" ]
A027937
[ 1, 7, 26, 79, 221, 596, 1581, 4163, 10926, 28635, 75001, 196392, 514201, 1346239, 3524546, 9227431, 24157781, 63245948, 165580101, 433494395, 1134903126, 2971215027, 7778742001, 20365011024, 53316291121 ]
[ "nonn", "easy" ]
A303862
[ 1, 3, 12, 35, 105, 262, 690, 1590, 3756, 8221, 17994, 37363, 77767, 154747, 307400, 592377, 1134126, 2118344, 3936532, 7161970, 12955028, 23043927, 40717240, 70937194, 122845251, 210072976, 357119309, 600696846, 1004415874, 1663790776, 2740918749, 4477271509 ]
[ "nonn" ]
A099022
[ 1, 3, 38, 1158, 65304, 5900520, 780827760, 142358474160, 34209760152960, 10478436416945280, 3984884716852972500, 1.8421693671919374e+21, 1.017403495472574e+24, 6.61599650478455e+26, 5.00354503197888e+29, 4.3544735370876304e+32 ]
[ "nonn", "easy" ]
A267492
[ 22, 1011112, 1011113, 1111213, 10311233, 101112213 ]
[ "nonn", "base", "fini", "full" ]
A110066
[ 2, 5, 40, 69, 586, 927, 1393, 11411, 32741, 79040 ]
[ "more", "nonn" ]
A031427
[ 11, 40, 87, 128, 152, 232, 235, 266, 300, 335, 336, 373, 455, 498, 544, 592, 747, 848, 860, 914, 920, 1110, 1111, 1248, 1320, 1392, 1393, 1547, 1700, 1707, 1708, 1790, 1792, 1876, 1953, 2055, 2240, 2335, 2336, 2632, 2635, 2829, 2844, 2952 ]
[ "nonn" ]
A085230
[ 1, 3, 2, 5, 4, 7, 6, 9, 10, 11, 8, 13, 12, 15, 16, 17, 14, 19, 18, 21, 22, 23, 20, 25, 24, 27, 28, 29, 26, 31, 30, 33, 34, 35, 36, 37, 32, 39, 40, 41, 38, 43, 42, 45, 46, 47, 44, 49, 48, 51, 52, 53, 50, 55, 54, 57, 58, 59, 56, 61, 60, 63, 64, 65, 66, 67, 62, 69, 70 ]
[ "nonn" ]
A167468
[ 1, 37, 1332, 47952, 1726272, 62145792, 2237248512, 80540946432, 2899474071552, 104381066575872, 3757718396731392, 135277862282330110, 4870003042163884000, 175320109517899830000, 6.311523942644394e+21 ]
[ "nonn" ]
A254824
[ 5, 23, 95, 381, 1569, 6898, 31005, 138809, 621384, 2737649, 11693062, 48939262, 206093655, 888369973, 3911583617, 17393709148, 77155024993, 337898306476, 1455242539889, 6197272645272, 26405014549312, 113717559106005 ]
[ "nonn" ]
A176736
[ 1, 10, 111, 1352, 17909, 256134, 3931555, 64441684, 1123029513, 20730064706, 403978495031, 8286870547680, 178468044946621, 4025739435397822, 94912091598455980, 2334250550458513000, 59779945135439670000, 1.5916265823287674e+21, 4.39901767901792e+22, 1.2603742286069354e+24 ]
[ "nonn", "easy" ]
A159815
[ 7, 707, 7007, 7043, 7057, 22143, 22157, 22193, 22207, 22243, 22257, 22293, 22307, 22343, 22357, 70007, 70043, 70057, 70093, 70107, 70143, 70157, 70193, 70207, 70243, 70257, 70293, 70307, 70343, 70357, 70393, 70407, 70443, 70457, 70493 ]
[ "base", "nonn" ]
A225397
[ 31, 109, 373, 409, 619, 823, 1531, 6637, 70687 ]
[ "hard", "more", "nonn" ]
A071031
[ 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1 ]
[ "nonn", "tabf" ]
A140273
[ 2, 1, 8, 3, 3, 6, 7, 7, 9, 9, 1, 8, 2, 4, 4, 5, 2, 1, 0, 0, 3, 8, 5, 0, 6, 1, 7, 6, 0, 0, 5, 4, 5, 7, 1, 7, 9, 5, 9, 8, 2, 9, 3, 5, 4, 1, 0, 3, 8, 2, 3, 8, 3, 6, 0, 6, 1, 5, 8, 8, 0, 2, 1, 9, 6, 0, 4, 8, 5, 2, 2, 4, 4, 6, 0, 9, 0, 7, 9, 6, 3, 0, 8, 8, 6, 5, 4, 1, 9, 2, 2, 8, 3, 0, 2, 0, 0, 2, 5, 8, 7, 9, 4, 1, 2 ]
[ "cons", "nonn" ]
A306070
[ 1, 2, 4, 7, 11, 14, 20, 27, 35, 41, 51, 59, 71, 80, 89, 104, 120, 132, 150, 164, 178, 193, 215, 232, 256, 274, 300, 321, 349, 364, 394, 425, 448, 472, 497, 526, 562, 589, 617, 648, 688, 709, 751, 786, 820, 853, 899, 935, 983, 1019, 1056, 1098, 1150, 1189 ]
[ "nonn" ]
A083915
[ 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 3, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 4, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 4 ]
[ "nonn", "easy" ]
A194076
[ 1, 3, 6, 2, 5, 9, 4, 8, 13, 10, 15, 21, 7, 12, 18, 14, 20, 27, 11, 17, 24, 19, 26, 34, 28, 36, 45, 16, 23, 31, 25, 33, 42, 35, 44, 54, 22, 30, 39, 32, 41, 51, 43, 53, 64, 55, 66, 78, 29, 38, 48, 40, 50, 61, 52, 63, 75, 65, 77, 90, 37, 47, 58, 49, 60, 72, 62, 74, 87 ]
[ "nonn" ]
A157803
[ 519420, 9503670, 18487920, 27472170, 36456420, 45440670, 54424920, 63409170, 72393420, 81377670, 90361920, 99346170, 108330420, 117314670, 126298920, 135283170, 144267420, 153251670, 162235920, 171220170, 180204420, 189188670 ]
[ "nonn", "easy" ]
A155370
[ 1, 7, 19, 37, 124, 545, 2932, 15809, 100710, 785638, 7143835, 76372256, 962177079, 14293799953, 248275319618 ]
[ "nonn" ]
A000571
[ 1, 1, 1, 2, 4, 9, 22, 59, 167, 490, 1486, 4639, 14805, 48107, 158808, 531469, 1799659, 6157068, 21258104, 73996100, 259451116, 915695102, 3251073303, 11605141649, 41631194766, 150021775417, 542875459724, 1972050156181, 7189259574618, 26295934251565, 96478910768821, 354998461378719, 1309755903513481 ]
[ "nonn", "nice" ]
A236958
[ 1, 1, 2, 16, 104, 1480, 16640, 337600, 5432960, 142650880, 2996614400, 96392704000, 2502799769600, 95198518604800, 2946929024000000, 129296981192704000, 4651138853703680000, 231108723265957900000, 9.477883333763366e+21, 5.258487552930523e+23, 2.4223777158147503e+25 ]
[ "nonn" ]
A166199
[ 1, 5, 2, 4, 25, 64, 249, 2376, 9030, 76249, 1598732, 10091912, 165533393, 6511049130, 90909213960, 2908246084285, 219536965840260, 5801006454694383 ]
[ "nonn" ]
A217667
[ 1, 1, 2, 1, 1, 3, 1, 1, 5, 1, 1, 5, 1, 4, 6, 1, 1, 7, 8, 1, 8, 1, 1, 19, 1, 5, 10, 1, 16, 11, 1, 1, 23, 22, 1, 13, 1, 1, 42, 21, 1, 20, 1, 37, 16, 1, 36, 17, 46, 1, 34, 1, 1, 130, 1, 1, 20, 1, 67, 56, 85, 7, 22, 79, 1, 23, 1, 121, 185, 1, 1, 25, 23, 106, 191, 1, 1 ]
[ "nonn" ]
A214152
[ 1, 2, 1, 6, 5, 1, 24, 23, 10, 1, 120, 119, 78, 17, 1, 720, 719, 588, 207, 26, 1, 5040, 5039, 4611, 2279, 458, 37, 1, 40320, 40319, 38890, 24553, 6996, 891, 50, 1, 362880, 362879, 358018, 268521, 101072, 18043, 1578, 65, 1, 3628800, 3628799, 3612004, 3042210, 1438112, 337210, 40884, 2603, 82, 1 ]
[ "nonn", "tabl" ]
A101475
[ 1, 1, 2, 3, 5, 6, 10, 15, 19, 20, 35, 50, 63, 69, 70, 126, 176, 217, 243, 251, 252, 462, 638, 770, 870, 913, 923, 924, 1716, 2354, 2794, 3159, 3355, 3419, 3431, 3432, 6435, 8789, 10307, 11610, 12430, 12766, 12855, 12869, 12870, 24310, 33099, 38489 ]
[ "nonn", "tabl", "walk" ]
A204883
[ 61994345, 22654826769, 10058007480113, 1751372518792428, 544737295879911900 ]
[ "nonn" ]
A072805
[ 10, 21, 102, 201, 212, 1011, 1121, 1202, 2012, 2111, 2122, 2221, 10002, 10211, 10222, 11201, 11212, 12011, 12121, 20001, 20012, 20122, 21002, 21101, 21211, 22021, 22102, 22212, 100022, 100202, 101001, 101111, 102101, 102112, 110021 ]
[ "base", "nonn" ]
A346441
[ 8, 3, 4, 7, 1, 9, 4, 6, 8, 5, 7, 7, 2, 1, 0, 9, 6, 2, 2, 1, 9, 2, 8, 3, 2, 3, 9, 2, 0, 8, 3, 3, 0, 0, 7, 0, 8, 4, 0, 3, 7, 9, 0, 5, 1, 9, 9, 8, 2, 6, 9, 7, 6, 7, 6, 2, 7, 6, 9, 5, 1, 0, 7, 9, 5, 2, 5, 9, 2, 7, 8, 4, 3, 6, 8, 7, 2, 2, 2, 2, 3, 8, 9, 7, 3, 0, 0 ]
[ "nonn", "cons" ]
A110111
[ 0, 1, 7, 133, 1330, 18430, 210490, 2673223, 31940881, 394918819, 4788779380, 58709030380, 715296121540, 8745656280829, 106717441265323, 1303667366328817, 15915556720909510, 194371775990116800 ]
[ "easy", "nonn" ]
A070056
[ 256, 3327, 28606, 196301, 1158554, 6121871, 29688844, 134361100, 574209267, 2337788346, 9128782573, 34372098576, 125327730017, 444081743234, 1533640995983, 5174881667481, 17096446731321, 55402030270777, 176377009761145, 552397160169465, 1704039417961465, 5183132984363513, 15559823619750904, 46141145945628664 ]
[ "nonn" ]
A190395
[ 0, 4, 76, 516, 2172, 6860, 17904, 40796, 83976, 159732, 285220, 483604, 785316, 1229436, 1865192, 2753580, 3969104, 5601636, 7758396, 10566052, 14172940, 18751404, 24500256, 31647356, 40452312, 51209300, 64250004, 79946676 ]
[ "nonn", "easy" ]
A292644
[ 1, 3, 4, 6, 8, 9, 11, 12, 14, 16, 17, 19, 21, 22, 24, 25, 27, 29, 30, 32, 33, 35, 37, 38, 40, 42, 43, 45, 46, 48, 50, 51, 53, 55, 56, 58, 59, 61, 63, 64, 66, 67, 69, 71, 72, 74, 76, 77, 79, 80, 82, 84, 85, 87, 89, 90, 92, 93, 95, 97, 98, 100, 101, 103, 105 ]
[ "nonn", "easy" ]
A042563
[ 1, 2, 11, 13, 63, 76, 443, 962, 54315, 109592, 602275, 711867, 3449743, 4161610, 24257793, 52677196, 2974180769, 6001038734, 32979374439, 38980413173, 188901027131, 227881440304, 1328308228651, 2884497897606, 162860190494587, 328604878886780 ]
[ "nonn", "frac", "easy" ]
A383419
[ 1, 5, 3, 6, 2, 4, 12, 10, 14, 8, 15, 9, 13, 7, 11, 23, 21, 25, 19, 27, 17, 28, 20, 26, 18, 24, 16, 22, 38, 36, 40, 34, 42, 32, 44, 30, 45, 35, 43, 33, 41, 31, 39, 29, 37, 57, 55, 59, 53, 61, 51, 63, 49, 65, 47, 66, 54, 64, 52, 62, 50, 60, 48, 58, 46, 56 ]
[ "nonn", "tabf" ]
A202774
[ 1602, 5330, 12886, 29826, 65179, 134218, 269300, 526008, 1002483, 1887117, 3497089, 6417968, 11676929, 21098007, 37903601, 67796705, 120804204, 214632801, 380393406, 672897793, 1188384384, 2096184835, 3693593860, 6503023770 ]
[ "nonn" ]
A102356
[ 1, 1, 1, 3, 6, 15, 60, 210, 840, 3780, 12600, 69300, 415800, 2702700, 12612600, 94594500, 756756000, 4288284000, 38594556000, 244432188000, 1833241410000, 17110253160000, 141159588570000, 1298668214844000, 10389345718752000, 108222351237000000, 1125512452864800000 ]
[ "nonn" ]
A092678
[ 6, 7, 4, 4, 8, 9, 7, 5, 0, 1, 9, 6, 0, 8, 1, 7, 4, 3, 2, 0, 2, 2, 2, 7, 0, 1, 4, 5, 4, 1, 3, 0, 7, 1, 8, 5, 3, 8, 6, 9, 0, 4, 4, 1, 5, 0, 4, 9, 8, 6, 1, 8, 9, 5, 6, 6, 2, 0, 9, 3, 7, 8, 8, 5, 9, 4, 8, 4, 8, 6, 7, 9, 2, 8, 2, 4, 4, 3, 0, 9, 1, 0, 9, 5, 4, 4, 5, 0, 4, 4, 7, 4, 0, 1, 6, 7, 7, 8, 4, 5, 7, 3 ]
[ "nonn", "cons", "changed" ]
A032147
[ 1, 2, 4, 14, 72, 262, 2266, 13582, 78952, 1073318, 6111354, 51512782, 711544290, 7083724494, 53971180750, 497724073414, 12107546905192, 92786772785254, 1022794345965706, 9782774173172782, 237827594204392900, 3191236514753613000, 31668668622796517000 ]
[ "nonn" ]
A343414
[ 2, 8, 31, 105, 353, 1039, 2961, 7859, 20437, 53015, 131605, 325097, 787137, 1857829, 4334237, 10072829, 23286445, 52990531, 120131489, 270138397, 601071655, 1334201393, 2945054825, 6485229057, 14277775651, 31269827137, 68032540043, 147446383463, 317906538223, 683411440339, 1475890477529 ]
[ "nonn" ]
A298046
[ 11, 63, 35, 33, 198, 275, 255, 585, 660, 195, 207, 390, 1449, 187, 1575, 1683, 1222, 418, 741, 2457, 2805, 275, 3465, 270, 2574, 2205, 4437, 1518, 3850, 5369, 5940, 1225, 6171, 6426, 3808, 1950, 7695, 1890, 8901, 8976, 9275, 741, 6435, 297, 10395, 4615, 12831, 12870, 13299, 2133, 13570, 7843, 10593, 4901 ]
[ "nonn" ]
A199851
[ 153, 575, 1393, 2958, 5754, 10426, 17879, 29268, 46126, 70322, 104253, 150764, 213380, 296204, 404213, 543086, 719592, 941366, 1217343, 1557506, 1973400, 2477778, 3085247, 3811830, 4675676, 5696580, 6896795, 8300422, 9934376 ]
[ "nonn" ]
A218530
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 70, 74, 78, 82, 86, 90, 94, 98, 102, 106, 110, 115, 120, 125, 130, 135, 140, 145, 150, 155, 160, 165, 171 ]
[ "nonn", "tabf", "easy" ]
A074584
[ 6, 1, 3, 7, 15, 31, 63, 120, 239, 475, 943, 1871, 3711, 7359, 14598, 28957, 57439, 113935, 225999, 448287, 889215, 1763832, 3498707, 6939975, 13766015, 27306031, 54163775, 107438335, 213112838, 422726969, 838513963, 1663261911, 3299217791, 6544271807 ]
[ "easy", "nonn" ]
A253465
[ 24208, 3072, 2600, 3744, 7496, 8272, 15680, 31824, 94016, 104272, 224960, 481104, 1478336, 1640272, 3573440, 7669584, 23627456, 26216272, 57149120, 122685264, 378013376, 419432272, 914360000, 1962936144, 6048188096, 6710888272 ]
[ "nonn" ]