Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A272496
[ 1, 7, 84, 840, 9870, 113652, 1480248, 19699680, 286768482, 4358914560, 71096721696, 1216711960464, 22116370171896, 421629228820800, 8473857766133760, 178260053918650700, 3931319749640139000, 90499126549555700000, 2.1746511422770475e+21, 5.439005945182419e+22 ]
[ "nonn" ]
A150025
[ 1, 2, 5, 18, 67, 265, 1099, 4643, 20058, 87824, 389913, 1748536, 7912724, 36077145, 165557041, 764080657, 3543683898, 16507628879, 77195125901, 362254825221, 1705274626268, 8050258264036, 38101717384395, 180760898609370, 859416339775966, 4094188981018980, 19540298801674100, 93418913985941420 ]
[ "nonn", "walk" ]
A253525
[ 81, 2722, 22418, 182493, 745281, 4292539, 14461240, 74067255, 239552591, 1153148632, 3757984096, 17291330720, 57734458801 ]
[ "nonn" ]
A339930
[ 0, 0, 0, 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 3, 2, 3, 2, 3, 3, 2, 4, 2, 4, 2, 4, 3, 3, 4, 3, 4, 3, 3, 5, 2, 5, 2, 5, 3, 4, 5, 3, 5, 3, 4, 4, 4, 5, 3, 6, 3, 5, 3, 4, 6, 4, 6, 4, 5, 4 ]
[ "nonn" ]
A133586
[ 1, 2, 3, 6, 8, 16, 21, 42, 55, 110, 144, 288, 377, 754, 987, 1974, 2584, 5168, 6765, 13530, 17711, 35422, 46368, 92736, 121393, 242786, 317811, 635622, 832040, 1664080, 2178309, 4356618, 5702887, 11405774, 14930352, 29860704, 39088169, 78176338, 102334155 ]
[ "nonn", "easy" ]
A023832
[ 2, 3, 6, 6, 8, 6, 9, 10, 12, 10, 12, 12, 13, 12, 15, 16, 16, 16, 16, 17, 21, 16, 18, 20, 21, 19, 23, 20, 21, 20, 20, 26, 25, 23, 26, 27, 28, 24, 29, 29, 30, 31, 31, 29, 31, 26, 29, 33, 31, 31, 34, 32, 33, 31, 31, 33, 35, 33, 35, 36, 38, 35, 38, 40, 40, 39, 41, 41, 44, 40, 40, 46, 43, 43, 48, 44, 48 ]
[ "nonn" ]
A219203
[ 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 2, 0, 2, 0, 1, 0, 5, 0, 4, 0, 2, 0, 9, 0, 7, 1, 6, 1, 13, 0, 10, 0, 12, 2, 20, 0, 19, 2, 20, 3, 31, 1, 30, 4, 28, 5, 49, 3, 45, 7, 43, 9, 69, 7, 63, 10, 66, 16, 97, 9, 91, 18, 96, 25, 130, 16, 131, 30, 134, 35, 177, 25, 182 ]
[ "nonn" ]
A277799
[ 1, 0, 1, 12, 1, 60, 1, 252, 1, 1020, 1, 4092, 1, 16380, 1, 65532, 1, 262140, 1, 1048572, 1, 4194300, 1, 16777212, 1, 67108860, 1, 268435452, 1, 1073741820, 1, 4294967292, 1, 17179869180, 1, 68719476732, 1, 274877906940, 1, 1099511627772, 1, 4398046511100, 1 ]
[ "nonn", "easy" ]
A099127
[ 1, 9, 1035, 762355, 2531986380, 29653914688398, 1023687680214527400, 9.09549047322176e+22, 1.8709083803797154e+28, 8.183604949527627e+33, 7.09999749511997e+39 ]
[ "nonn" ]
A138995
[ 1, 1, 6, 2, 2, 10, 3, 3, 14, 4, 4, 18, 5, 5, 22, 6, 6, 26, 7, 7, 30, 8, 8, 34, 9, 9, 38, 10, 10, 42, 11, 11, 46, 12, 12, 50, 13, 13, 54, 14, 14, 58, 15, 15, 62, 16, 16, 66, 17, 17, 70, 18, 18, 74, 19, 19, 78, 20, 20, 82, 21, 21, 86, 22, 22, 90, 23, 23, 94, 24, 24, 98, 25, 25, 102, 26 ]
[ "nonn", "easy" ]
A315779
[ 1, 6, 6, 12, 12, 18, 18, 30, 30, 30, 36, 36, 42, 48, 60, 54, 54, 60, 60, 72, 78, 84, 78, 78, 84, 84, 102, 102, 108, 102, 102, 108, 114, 132, 126, 132, 126, 126, 138, 144, 156, 150, 156, 150, 150, 168, 168, 180, 174, 180 ]
[ "nonn" ]
A019388
[ 2, 3, 17, 23, 31, 41, 53, 59, 71, 89, 103, 107, 109, 127, 149, 173, 229, 233, 239, 257, 263, 277, 283, 313, 347, 359, 367, 373, 379, 401, 421, 431, 433, 449, 461, 467, 479, 499, 503, 509, 541, 563, 607, 619, 631, 647, 653, 677, 691, 709, 769, 797, 821, 823, 839, 857, 883 ]
[ "nonn" ]
A104237
[ 1, -2, 5, -11, 26, -53, 104, -198, 375, -700, 1299, -2401, 4432, -8167, 15038, -27676, 50925, -93686, 172337, -316999, 583078, -1072473, 1972612, -3628226, 6673379, -12274288, 22575967, -41523709, 76374044, -140473803, 258371642 ]
[ "sign", "easy" ]
A240897
[ 26, 36, 370, 570, 3270, 11746, 21630, 24490, 24806, 56980, 117404, 468430, 595270, 1228070, 3390486, 4784660, 7898490, 9773610, 10529610, 10993626, 12835226, 13094276, 27797386, 30987000, 64644060, 216393030, 291661606, 660619830, 990261270, 1217516566 ]
[ "nonn", "base" ]
A209348
[ 21, 514, 4029, 18646, 62853, 172610, 409199, 870122, 1699831, 3104474, 5365417, 8858142, 14068115, 21614144, 32266607, 46975088, 66888951, 93389664, 128113109, 172986976, 230254897, 302518564, 392763779, 504407780, 641326401, 807907094 ]
[ "nonn" ]
A010604
[ 3, 2, 0, 7, 5, 3, 4, 3, 2, 9, 9, 9, 5, 8, 2, 6, 4, 8, 7, 5, 5, 2, 5, 1, 5, 1, 7, 1, 7, 1, 9, 5, 2, 0, 1, 1, 1, 3, 6, 1, 8, 5, 1, 6, 6, 3, 3, 6, 0, 5, 7, 2, 1, 7, 1, 7, 2, 4, 0, 7, 1, 8, 4, 7, 2, 8, 3, 8, 1, 4, 9, 8, 0, 9, 7, 6, 3, 8, 9, 1, 9, 8, 9, 1, 0, 3, 0, 3, 5, 2, 0, 2, 5, 1, 2, 0, 1, 3, 3 ]
[ "nonn", "cons" ]
A172976
[ 2, 3, 7, 19, 157, 199, 229, 379, 439, 577, 829, 877, 967, 997, 1009, 1279, 1429, 1459, 1657, 2137, 2539, 3067, 3169, 3187, 3319, 3739, 3769, 3967, 4159, 4357, 4447, 4909, 4987, 6079, 6379, 6427, 6709, 6967, 7219, 7297, 7639, 8209, 9049, 9067, 9157, 9277 ]
[ "nonn", "easy", "less" ]
A182818
[ 1, 3, 8, 19, 41, 83, 161, 299, 538, 942, 1610, 2694, 4427, 7153, 11387, 17884, 27741, 42543, 64565, 97034, 144519, 213432, 312720, 454803, 656835, 942364, 1343596, 1904354, 2684008, 3762667, 5248002, 7284132, 10063319, 13841107, 18956002 ]
[ "nonn", "easy" ]
A071161
[ 0, 1, 11, 20, 111, 120, 201, 300, 1111, 1120, 1201, 1300, 2011, 2020, 3001, 4000, 11111, 11120, 11201, 11300, 12011, 12020, 13001, 14000, 20111, 20120, 20201, 20300, 30011, 30020, 40001, 50000, 111111, 111120, 111201, 111300, 112011 ]
[ "nonn", "base" ]
A312097
[ 1, 4, 8, 13, 18, 22, 27, 31, 36, 43, 45, 49, 53, 58, 62, 67, 71, 76, 87, 85, 89, 93, 98, 102, 107, 111, 116, 131, 125, 129, 133, 138, 142, 147, 151, 156, 175, 165, 169, 173, 178, 182, 187, 191, 196, 219, 205, 209, 213, 218 ]
[ "nonn" ]
A025328
[ 374, 446, 486, 521, 566, 569, 621, 629, 686, 701, 710, 729, 749, 770, 789, 809, 810, 825, 849, 857, 869, 902, 945, 953, 969, 971, 1014, 1022, 1029, 1053, 1085, 1125, 1146, 1174, 1217, 1221, 1241, 1242, 1245, 1249, 1250, 1253, 1254, 1259, 1269, 1277, 1334, 1379 ]
[ "nonn" ]
A022398
[ 1, 28, 29, 57, 86, 143, 229, 372, 601, 973, 1574, 2547, 4121, 6668, 10789, 17457, 28246, 45703, 73949, 119652, 193601, 313253, 506854, 820107, 1326961, 2147068, 3474029, 5621097, 9095126, 14716223, 23811349, 38527572, 62338921, 100866493, 163205414, 264071907, 427277321 ]
[ "nonn" ]
A361476
[ 0, 1, 4, 12, 34, 99, 308, 1040, 3820, 15197, 65060, 297828, 1449742, 7468527, 40555732, 231335944, 1381989864, 8623700793, 56078446596, 379233142780, 2662013133274, 19362917621979, 145719550012276, 1133023004941248, 9090156910550084, 75161929739797490, 639793220877941500 ]
[ "nonn" ]
A341672
[ 1, 4, 7, 5, 9, 8, 12, 10, 14, 23, 29, 32, 35, 38, 46, 47, 52, 59, 65, 64, 67, 76, 78, 84, 90, 91, 94, 100, 106, 110, 111, 110, 119, 126, 131, 137, 139, 138, 143, 153, 154, 144, 152, 144, 152, 156, 170, 195, 193, 193, 192, 198, 203, 215, 215, 209, 216, 222, 225 ]
[ "nonn" ]
A068724
[ 1, 569397, 1305759171, 251611610655, 13336307324915, 322309309862183, 4598900066440609, 44976296745414510, 331136639667811840, 1954290045098180600, 9661874271897650000, 41320247284448150000, 156588834507399530000 ]
[ "nonn" ]
A284680
[ 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1 ]
[ "nonn", "easy" ]
A284778
[ 0, 1, 1, 4, 8, 22, 54, 142, 370, 983, 2627, 7086, 19238, 52561, 144377, 398518, 1104794, 3074809, 8588093, 24064642, 67630898, 190584766, 538412426, 1524554956, 4326119748, 12300296227, 35037658099, 99977847308, 285741659312, 817901027070, 2344475178110 ]
[ "nonn", "walk" ]
A079524
[ 0, 1, 4, 6, 10, 13, 18, 22, 28, 33, 40, 46, 54, 61, 70, 78, 88, 97, 108, 118, 130, 141, 154, 166, 180, 193, 208, 222, 238, 253, 270, 286, 304, 321, 340, 358, 378, 397, 418, 438, 460, 481, 504, 526, 550, 573, 598, 622, 648, 673, 700, 726, 754, 781, 810, 838 ]
[ "easy", "nonn" ]
A021937
[ 0, 0, 1, 0, 7, 1, 8, 1, 1, 3, 6, 1, 2, 0, 0, 4, 2, 8, 7, 2, 4, 5, 4, 4, 4, 8, 0, 1, 7, 1, 4, 8, 9, 8, 1, 7, 7, 9, 2, 0, 6, 8, 5, 9, 5, 9, 2, 7, 1, 1, 6, 8, 2, 7, 4, 3, 8, 3, 7, 0, 8, 4, 6, 7, 3, 0, 9, 7, 5, 3, 4, 8, 3, 3, 8, 6, 9, 2, 3, 9, 0, 1, 3, 9, 3, 3, 5, 4, 7, 6, 9, 5, 6, 0, 5, 5, 7, 3, 4 ]
[ "nonn", "cons" ]
A051392
[ 13, 13, 10, 13, 13, 10, 13, 13, 10, 13, 13, 10, 13, 13, 13, 10, 13, 13, 10, 13, 13, 10, 13, 13, 13, 10, 13, 13, 10, 13, 13, 10, 13, 13, 13, 10, 13, 13, 10, 13, 13, 10, 13, 13, 10, 13, 13, 13, 10, 13, 13, 10 ]
[ "nonn", "nice" ]
A202717
[ 1, 1, 2, 1, 0, 0, 21, 132, 294, 252, 21, -56, 0, 8, 0, 35, 450, 2293, 5700, 6405, 770, -3661, -240, 2320, 40, -672, 0, 0, 9555, 207480, 1889316, 9216312, 25051026, 33229560, 3678948, -35339304, -2666157, 51171120, 2178176, -49878192, -792064, 24460800, 4160, -3714816, 0 ]
[ "sign", "tabf" ]
A353949
[ 1, -2, 0, -3, -1, 4, -4, -4, -7, 14, -10, -2, -5, 6, 19, -102, 70, -95, 138, -314, 174, 48, -70, -156, -797, 2028, -2048, 1989, -3479, 4277, -2080, -11462, 7923, -12448, 32218, -68038, 68683, -64844, 82847, -170573, -24942, 257846, -422887, 599115, -1225608, 2072993 ]
[ "sign" ]
A007947
[ 1, 2, 3, 2, 5, 6, 7, 2, 3, 10, 11, 6, 13, 14, 15, 2, 17, 6, 19, 10, 21, 22, 23, 6, 5, 26, 3, 14, 29, 30, 31, 2, 33, 34, 35, 6, 37, 38, 39, 10, 41, 42, 43, 22, 15, 46, 47, 6, 7, 10, 51, 26, 53, 6, 55, 14, 57, 58, 59, 30, 61, 62, 21, 2, 65, 66, 67, 34, 69, 70, 71, 6, 73, 74, 15, 38, 77, 78 ]
[ "nonn", "easy", "nice", "mult" ]
A155038
[ 1, 1, 1, 2, 1, 1, 4, 2, 1, 1, 8, 4, 2, 1, 1, 16, 8, 4, 2, 1, 1, 32, 16, 8, 4, 2, 1, 1, 64, 32, 16, 8, 4, 2, 1, 1, 128, 64, 32, 16, 8, 4, 2, 1, 1, 256, 128, 64, 32, 16, 8, 4, 2, 1, 1, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 1, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 1, 2048, 1024, 512 ]
[ "nonn", "tabl" ]
A174609
[ 3, 1, 1, 5, 2, 7, 9, 2, 6, 6, 4, 8, 3, 5, 0, 2, 3, 1, 4, 1, 0, 9, 9, 1, 1, 4, 6, 7, 5, 1, 6, 8, 2, 2, 2, 6, 5, 0, 4, 8, 0, 2, 0, 7, 5, 9, 8, 8, 7, 6, 6, 9, 5, 4, 5, 7, 1, 2, 3, 3, 9, 3, 1, 2, 2, 4, 3, 6, 2, 4, 9, 7, 9, 8, 7, 1, 8, 7, 7, 2, 7, 9, 0, 1, 4, 8, 0, 5, 3, 9, 1, 3, 6, 0, 2, 3, 6, 6, 2, 8, 4, 5, 8, 3, 8 ]
[ "cons", "nonn" ]
A024030
[ 1, 2, -119, -2160, -16303, -77882, -279207, -821356, -2090591, -4763286, -9940951, -19310024, -35300367, -61154194, -100630535, -156510468, -225388735, -281198510, -224799543, 268389728, 2206784401 ]
[ "sign" ]
A120091
[ 8, 18, 32, 50, 72, 98, 98, 128, 128, 162, 162, 200, 200, 242, 242, 242, 288, 288, 288, 338, 338, 338, 338, 392, 392, 392, 450, 450, 512, 512, 512, 512, 512, 578, 578, 578, 578, 578, 648, 648, 648, 722, 722, 722, 722, 722, 722, 800, 800, 800, 800, 800, 882, 882, 882 ]
[ "nonn" ]
A028735
[ 2, 6, 7, 8, 10, 13, 17, 18, 19, 21 ]
[ "nonn", "fini", "full", "easy" ]
A023387
[ 6, 10, 14, 22, 34, 54, 130, 334, 1314, 10030, 114234, 2240510, 120004422, 15524040010, 11044234015334, 35253352344013544, 1.3350413422535013e+21, 1.145430035344432e+27, 3.5553113000013157e+34 ]
[ "nonn", "base" ]
A236453
[ 1, 3, 4, 8, 11, 17, 22, 30, 37, 47, 56, 68, 79, 93, 106, 122, 137, 155, 172, 192, 211, 233, 254, 278, 301, 327, 352, 380, 407, 437, 466, 498, 529, 563, 596, 632, 667, 705, 742, 782, 821, 863, 904, 948, 991, 1037, 1082, 1130, 1177, 1227, 1276, 1328, 1379, 1433, 1486, 1542 ]
[ "nonn", "easy" ]
A038232
[ 1, 4, 2, 16, 16, 4, 64, 96, 48, 8, 256, 512, 384, 128, 16, 1024, 2560, 2560, 1280, 320, 32, 4096, 12288, 15360, 10240, 3840, 768, 64, 16384, 57344, 86016, 71680, 35840, 10752, 1792, 128, 65536, 262144, 458752, 458752, 286720, 114688, 28672, 4096, 256 ]
[ "nonn", "tabl", "easy" ]
A009650
[ 0, 1, -1, 7, -24, 195, -1455, 15181, -163128, 2091653, -28920645, 448752819, -7526839056, 137636522647, -2702715523235, 56982020356457, -1280413674123600, 30591670993049030, -773721824135574800 ]
[ "sign", "easy" ]
A047948
[ 47, 151, 167, 251, 257, 367, 557, 587, 601, 647, 727, 941, 971, 1097, 1117, 1181, 1217, 1361, 1741, 1747, 1901, 2281, 2411, 2671, 2897, 2957, 3301, 3307, 3631, 3727, 4007, 4451, 4591, 4651, 4987, 5101, 5107, 5297, 5381, 5387, 5557, 5801, 6067, 6257, 6311, 6317 ]
[ "easy", "nonn" ]
A076563
[ 0, 0, 2, 0, 3, 0, 6, 6, 5, 0, 9, 0, 7, 10, 14, 0, 15, 0, 15, 14, 11, 0, 21, 20, 13, 24, 21, 0, 25, 0, 30, 22, 17, 28, 33, 0, 19, 26, 35, 0, 35, 0, 33, 40, 23, 0, 45, 42, 45, 34, 39, 0, 51, 44, 49, 38, 29, 0, 55, 0, 31, 56, 62, 52, 55, 0, 51, 46, 63, 0, 69, 0, 37, 70, 57, 66, 65, 0, 75 ]
[ "easy", "nonn" ]
A258812
[ 0, 2047, 177146, 4194303, 48828124, 362797055, 1977326742, 8589934591, 31381059608, 99999999999, 285311670610, 743008370687, 1792160394036, 4049565169663, 8649755859374, 17592186044415, 34271896307632, 64268410079231, 116490258898218, 204799999999999 ]
[ "nonn", "easy" ]
A195165
[ 2, 21, 3171, 31711511, 131171431471711, 16333180310678672, 1.1117231176912155e+22, 1.2917186066665455e+24, 7.113114471624189e+31, 1.111011172313556e+40 ]
[ "nonn", "base" ]
A387197
[ 0, 3, 4, 6, 46, 59, 84, 94, 124, 239, 267, 366, 371, 424, 616, 2139, 2299, 3523, 3563, 3843, 3923, 7627, 12751, 34798, 39911, 56568, 58779, 158808, 182652 ]
[ "nonn", "more", "hard" ]
A089196
[ 0, 0, 1, 0, 2, 0, 3, 2, 4, 0, 5, 0, 6, 4, 7, 0, 8, 0, 9, 6, 10, 0, 11, 4, 12, 8, 13, 0, 14, 0, 15, 10, 16, 6, 17, 0, 18, 12, 19, 0, 20, 0, 21, 14, 22, 0, 23, 6, 24, 16, 25, 0, 26, 10, 27, 18, 28, 0, 29, 0, 30, 20, 31, 12, 32, 0, 33, 22, 34, 0, 35, 0, 36, 24, 37, 10, 38, 0, 39, 26, 40 ]
[ "nonn" ]
A061604
[ 1023456789, 1023456798, 1023456789, 1023457896, 1023467895, 1023456798, 1023456798, 1023457896, 1023456789, 1234567890, 1024375869, 1023457896, 1023456798, 1023456798, 1023467895, 1023457968, 1023457698, 1023456798 ]
[ "nonn", "base", "easy" ]
A009977
[ 1, 33, 1089, 35937, 1185921, 39135393, 1291467969, 42618442977, 1406408618241, 46411484401953, 1531578985264449, 50542106513726820, 1667889514952985000, 55040353993448505000, 1.8163316817838007e+21, 5.993894549886542e+22, 1.9779852014625588e+24, 6.527351164826444e+25 ]
[ "nonn", "easy" ]
A239118
[ 0, 0, 0, 0, 0, 0, 0, 1, 1, 3, 9, 29, 99, 357, 1351, 5342, 21983, 93823, 414198, 1886424, 8846390, 42628782, 210773592, 1067599984, 5533263752, 29307314408, 158484944416, 874103230896, 4913196556800, 28120097476640, 163770757573776, 969858742317600 ]
[ "nonn", "easy" ]
A074651
[ 6, 42, 558, 8640, 151350, 2858562, 57010422, 1183184640, 25319269980, 555099603450, 12411545042094, 282060978777792, 6498315236374338, 151469476107975360, 3566331985691591700, 84709091524784340000 ]
[ "nonn" ]
A310181
[ 1, 3, 7, 10, 12, 17, 20, 24, 26, 32, 35, 36, 45, 45, 50, 53, 58, 61, 62, 72, 71, 77, 80, 82, 87, 89, 98, 96, 103, 104, 107, 114, 114, 123, 122, 129, 129, 133, 140, 139, 150, 148, 153, 155, 159, 166, 164, 176, 172, 178 ]
[ "nonn" ]
A054832
[ 2939, 13499, 13921, 14983, 15401, 15413, 21433, 21577, 21893, 28297, 30911, 33247, 35617, 37747, 42257, 42611, 45841, 55681, 64693, 64951, 64969, 68227, 68239, 68917, 68927, 73973, 74231, 78623, 83137, 85549, 87359, 88037, 90947 ]
[ "nonn" ]
A338588
[ 2, 77, 334, 881, 1826, 3277, 5342, 8129, 11746, 16301, 21902, 28657, 36674, 46061, 56926, 69377, 83522, 99469, 117326, 137201, 159202, 183437, 210014, 239041, 270626, 304877, 341902, 381809, 424706, 470701, 519902 ]
[ "nonn", "easy" ]
A093264
[ 0, 64, 8960, 84480000, 8844800000, 999936000000, 99999360000000, 9999993600000000 ]
[ "base", "nonn" ]
A041735
[ 1, 1, 3, 58, 119, 177, 6845, 7022, 20889, 403913, 828715, 1232628, 47668579, 48901207, 145470993, 2812850074, 5771171141, 8584021215, 331963977311, 340547998526, 1013059974363, 19588687511423, 40190434997209, 59779122508632, 2311797090325225 ]
[ "nonn", "frac", "easy" ]
A211248
[ 1, 1, 4, 20, 114, 703, 4565, 30752, 212921, 1505916, 10833164, 79018804, 583062388, 4344431508, 32641910199, 247033970128, 1881402836376, 14408753414558, 110897147057354, 857307054338476, 6653979156676983, 51831065993122910, 405060413133136900, 3175019470333290500 ]
[ "nonn" ]
A180849
[ 1, 2, 1, 1, 1, 19, 1, 4, 2, 4, 6, 1, 2, 35, 7, 2, 1, 2, 2, 1, 3, 2, 1, 1, 4, 57, 1, 1, 2, 1, 2, 1, 1, 2, 7, 1, 28, 1, 1, 1, 1, 5, 1, 1, 9, 3, 5, 2, 7, 3, 3, 18, 31, 1, 5, 1, 3, 1, 2, 3, 3, 1, 2, 6, 24, 3, 1, 2, 2, 11, 2, 15, 1, 1, 68, 1, 13, 2, 2, 1, 8, 3, 2, 4, 3, 1, 16, 2, 1, 3, 7, 6, 1, 1, 2, 3, 5, 5, 1 ]
[ "nonn", "less", "cofr" ]
A115185
[ 1, 2, 9, 23, 58, 142, 345, 835, 2018, 4874, 11769, 28415, 68602, 165622, 399849, 965323, 2330498, 5626322, 13583145, 32792618, 79168378, 191129374, 461427129, 1113983635, 2689394402, 6492772442, 15674939289, 37842651023, 91360241338 ]
[ "nonn" ]
A358484
[ 268005374, 600350750, 2666847104, 2683146464, 2695309694, 2849458688, 3904592768, 4112553248, 5368737374, 6554410784, 6955574624, 8207456894, 8967010688, 9220179968, 9868366430, 10529171288, 12147283070, 12411630944, 12491149670, 13911605630, 14126720894, 14396391008 ]
[ "nonn" ]
A288328
[ 1, 10, 11, 1100, 11, 111110, 1111, 11111100, 1111, 1111111010, 1111, 111111111000, 1111, 11111111110110, 11111011, 1111111110000100, 11111011, 111111111110000100, 11111011, 11111111111110000000, 11111011, 1.11111111111111e+21, 1111011 ]
[ "nonn", "easy" ]
A119976
[ 1, 3, 12, 50, 216, 952, 4256, 19224, 87520, 400928, 1845888, 8533824, 39590656, 184216320, 859354112, 4017738112, 18820855296, 88317817344, 415075665920, 1953473141760, 9205135036416, 43425512132608, 205072796270592 ]
[ "easy", "nonn" ]
A338577
[ 2, 3, 5, 7, 11, 13, 19, 23, 31, 47, 83, 89, 113, 199, 1327 ]
[ "nonn", "more", "hard" ]
A281782
[ 2, 3, 4, 7, 8, 16, 27, 32, 64, 121, 125, 128, 243, 256, 512, 729, 1024, 2048, 4096, 6561, 8192, 15625, 16384, 32761, 32768, 59049, 65536, 117649, 130321, 131072, 177147, 262144, 524287, 524288, 1048576, 1594323, 1953125, 2097152, 4194304, 8388608 ]
[ "nonn" ]
A290950
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 13, 24, 35, 46, 57, 68, 79, 135, 246, 357, 468, 579, 1357, 2468, 3579, 13579 ]
[ "nonn", "base", "fini", "full" ]
A171111
[ 0, 0, 0, 1, 7915, 34435125, 153796445095 ]
[ "nonn", "more" ]
A299461
[ 2, 52, 226, 1013, 5294, 27639, 139226, 713421, 3674765, 18853673, 96786807, 497418193, 2555599511, 13129374671, 67461650707, 346631157067, 1781036709459, 9151338992559, 47021631140929, 241607368725137, 1241433013500699 ]
[ "nonn" ]
A188556
[ 6, 11, 20, 36, 64, 112, 192, 321, 522, 825, 1268, 1898, 2772, 3958, 5536, 7599, 10254, 13623, 17844, 23072, 29480, 37260, 46624, 57805, 71058, 86661, 104916, 126150, 150716, 178994, 211392, 248347, 290326, 337827, 391380, 451548, 518928, 594152 ]
[ "nonn" ]
A026388
[ 1, 5, 24, 114, 541, 2573, 12275, 58747, 282003, 1357407, 6549906, 31675020, 153481299, 745011075, 3622111560, 17635418730, 85975792075, 419644943495, 2050493623760, 10029194506990, 49098707209695, 240568930012575 ]
[ "nonn" ]
A048752
[ 9, 16, 9, 25, 288, 49, 972, 121, 41472, 169, 101250, 289, 1119744, 361, 320000, 388962, 529, 1062882, 1229312, 841, 3888000000, 961, 2371842, 3001250, 11609505792, 1369, 4626882, 327680000, 1681, 29274835968, 1849, 7496192, 44286750000, 2209 ]
[ "easy", "nonn" ]
A191028
[ 3, 7, 13, 17, 23, 29, 37, 47, 53, 59, 67, 73, 107, 109, 137, 173, 179, 181, 191, 199, 211, 227, 233, 239, 263, 269, 271, 293, 307, 311, 313, 317, 331, 353, 359, 367, 373, 379, 421, 457, 463, 479, 503, 509, 523, 547, 563, 577, 593, 617, 631, 647, 659, 661 ]
[ "nonn", "easy" ]
A233565
[ 0, 0, 0, 1, 2, 5, 5, 7, 7, 5, 5, 11, 11, 91, 91, -9, -9, 1207, 1207, -10849, -10849, 65879, 65879, -783127, -783127, 61098739, 61098739, -2034290233, -2034290233, 72986324461, 72986324461 ]
[ "sign" ]
A048024
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 11, 12, 60, 65, 70, 210, 225, 240, 560, 595, 630, 1413, 1501, 1590, 4230, 4536, 4851, 15015, 16215, 17460, 53460, 57750, 62205, 176345, 190035, 204246, 549094, 590759, 634075, 1705795 ]
[ "nonn" ]
A170949
[ 1, 3, 2, 4, 8, 6, 5, 7, 9, 15, 13, 11, 10, 12, 14, 16, 24, 22, 20, 18, 17, 19, 21, 23, 25, 35, 33, 31, 29, 27, 26, 28, 30, 32, 34, 36, 48, 46, 44, 42, 40, 38, 37, 39, 41, 43, 45, 47, 49, 63, 61, 59, 57, 55, 53, 51, 50, 52, 54, 56, 58, 60, 62, 64, 80, 78, 76, 74, 72 ]
[ "nonn", "tabf", "look" ]
A039273
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 22, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 36, 37, 38, 39, 40, 41, 42, 43, 44, 46, 48, 49, 50, 51, 52, 53, 54, 55, 56, 58, 60, 61, 62, 63, 64, 65, 66, 67, 68, 70, 72, 73, 74, 75, 76, 77, 78, 79, 80, 82 ]
[ "nonn", "base", "easy" ]
A201340
[ 0, 0, 15, 213, 2007, 15497, 106589, 680287, 4118949, 23981337, 135473879, 747163898, 4040984182, 21504391182, 112888169123, 585765427216, 3009175376793, 15324419276531, 77445651022458, 388752941316532 ]
[ "nonn" ]
A369377
[ 0, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 3, 2, 2, 1, 2, 2, 1, 2, 2, 2, 3, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 3, 2, 2, 1, 2, 2, 2, 3, 2, 2, 3, 2, 1, 2, 1, 1, 2, 1, 2, 2, 2, 2, 2, 2, 3, 2, 3, 2, 2, 2, 3, 3, 2, 2, 3, 3, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 2, 2, 4, 3, 3, 2, 3, 3, 3, 2, 2, 1, 2, 2, 3, 2, 3, 2, 2, 2, 3, 3, 3, 3, 2, 2 ]
[ "nonn" ]
A207303
[ 19, 361, 1675, 4939, 11497, 23091, 41893, 70537, 112151, 170389, 249463, 354175, 489949, 662863, 879681, 1147885, 1475707, 1872161, 2347075, 2911123, 3575857, 4353739, 5258173, 6303537, 7505215, 8879629, 10444271, 12217735, 14219749 ]
[ "nonn" ]
A176513
[ 1, 1, 1, 1, 1, 3, 3, 5, 7, 9, 15, 19, 29, 41, 57, 85, 117, 171, 243, 345, 499, 705, 1015, 1447, 2065, 2961, 4217, 6041, 8625, 12323, 17627, 25165, 35991, 51417, 73479, 105035, 150061, 214505, 306513, 438045, 626053, 894619, 1278603, 1827185 ]
[ "nonn" ]
A235895
[ 33, 125, 473, 1797, 6849, 26189, 100457, 386517, 1491537, 5771933, 22396025, 87120549, 339708129, 1327583213, 5199036809, 20399760501, 80187289713, 315721128509, 1244976918425, 4916128826181, 19437363570945, 76940441387405 ]
[ "nonn" ]
A338682
[ 1, 1, 4, 0, 6, 3, 8, -8, 20, 0, 12, -12, 14, -7, 72, -65, 18, 10, 20, -61, 142, -33, 24, -203, 152, -52, 248, -183, 30, 121, 32, -617, 398, -102, 828, -619, 38, -133, 600, -896, 42, 140, 44, -870, 2864, -207, 48, -4438, 1766, 751, 1192, -1587, 54, -348, 4424, -3011, 1598, -348, 60 ]
[ "sign" ]
A179461
[ 1, 0, 2, 0, 2, 0, 4, 0, 6, 1, 2, 2, 0, 4, 0, 7, 1, 4, 2, 5, 7, 1, 3, 4, 2, 8, 3, 0, 1, 9, 5, 3, 2, 3, 6, 1, 1, 2, 5, 2, 3, 1, 0, 1, 6, 5, 7, 0, 0, 3, 9, 0, 5, 4, 7, 6, 0, 1, 2, 0, 4, 4, 1, 1, 8, 2, 3, 6, 8, 8, 6, 2, 9, 4, 9, 1, 4, 3, 1, 6, 9, 8, 0, 3, 6, 9, 9, 8, 3, 1, 6, 2, 1, 8, 9, 7, 4, 3, 4, 5, 4, 6, 2, 0, 6 ]
[ "cons", "nonn" ]
A026844
[ 1, 10, 67, 379, 1958, 9576, 45190, 208084, 941480, 4204949, 18597694, 81635060, 356220369, 1547066801, 6693361973, 28868868733, 124194904215, 533156609953, 2284722747583, 9776008778375, 41777089615201, 178338353574365, 760586650190997 ]
[ "nonn" ]
A090946
[ 0, 2, 5, 6, 8, 9, 10, 12, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 77, 78, 79 ]
[ "nonn", "easy", "changed" ]
A100076
[ 1, 1, 1, -3, 9, -33, 513, -10917, 155313, -869697, -27095391, 1126973331, -25370851671, 400873570911, -3945969886815, -19472448499317, 3355787673885537, -205870807636111230, 10635145244261722000, -447262563680813500000, 1.3896854240554593e+22 ]
[ "sign" ]
A370794
[ 0, 1, 2, 3, 4, 5, 8, 6, 7, 9, 13, 10, 16, 17, 14, 11, 12, 15, 18, 19, 23, 24, 34, 20, 27, 28, 31, 29, 41, 25, 32, 21, 22, 33, 26, 42, 30, 46, 54, 43, 35, 36, 62, 37, 50, 47, 51, 38, 57, 58, 65, 59, 72, 73, 55, 44, 79, 80, 63, 60, 87, 48, 52, 39, 40, 53, 49, 86 ]
[ "nonn", "look", "base" ]
A050484
[ 1, 12, 68, 264, 810, 2112, 4884, 10296, 20163, 37180, 65208, 109616, 177684, 279072, 426360, 635664, 927333, 1326732, 1865116, 2580600, 3519230, 4736160, 6296940, 8278920, 10772775, 13884156, 17735472, 22467808, 28242984, 35245760, 43686192, 53802144, 65861961 ]
[ "easy", "nonn", "changed" ]
A082241
[ 12, 17, 189, 2, 18, 2, 4938270, 15432, 87668, 3456789, 11223344455667790000 ]
[ "nonn", "base", "fini", "full" ]
A386269
[ 1, 2, 3, 4, 5, 2, 7, 8, 1, 10, 11, 4, 13, 14, 5, 16, 17, 18, 19, 20, 3, 22, 23, 24, 25, 26, 9, 28, 29, 6, 31, 32, 33, 34, 35, 36, 37, 38, 13, 40, 41, 2, 43, 44, 45, 46, 47, 16, 49, 50, 17, 52, 53, 18, 55, 56, 57, 58, 59, 60, 61, 62, 21, 64, 13, 66, 1, 68, 69, 70 ]
[ "nonn", "easy", "frac" ]
A212622
[ 0, 1, 6, 6, 19, 19, 24, 24, 44, 44, 44, 59, 59, 59, 85, 80, 59, 125, 80, 114, 114, 85, 125, 173, 146, 125, 246, 156, 114, 219, 85, 240, 146, 114, 193, 344, 173, 173, 219, 302, 125, 297, 156, 193, 407, 246, 219, 481, 256, 360, 193, 297, 240, 651, 231, 414, 302, 219, 114, 567, 344, 146, 548, 672, 345, 345, 173, 256, 407, 482, 302, 914, 297 ]
[ "nonn" ]
A199007
[ 192, 21504, 190080, 10838016, 16440, 790224, 64488 ]
[ "nonn", "more" ]
A253952
[ 43, 103, 139, 154, 163, 169, 223, 343, 403, 463, 523, 547, 553, 610, 643, 649, 673, 703, 823, 847, 862, 1231, 1303, 1363, 1486, 1603, 2059, 2083, 2089, 2179, 2185, 2209, 2239, 2434, 2563, 2569, 2593, 2623, 2689, 2731 ]
[ "nonn", "base" ]
A097465
[ 1, 3, 5, 2, 7, 4, 9, 11, 6, 13, 8, 15, 17, 10, 19, 12, 23, 14, 25, 16, 21, 26, 29, 18, 31, 20, 27, 22, 35, 24, 37, 28, 33, 38, 41, 30, 43, 32, 39, 34, 45, 47, 36, 49, 40, 51, 44, 53, 42, 55, 46, 57, 50, 59, 48, 61, 52, 63, 58, 65, 54, 67, 56, 69, 62, 71, 60, 73, 64, 75, 68, 77 ]
[ "nonn" ]
A338808
[ 8, 128, 56, 8, 0, 3, 450, 270, 82, 20, 10, 0, 2, 2592, 2376, 972, 204, 168, 48, 0, 0, 5, 7266, 7574, 4550, 2254, 660, 336, 98, 14, 14, 0, 2, 0, 0, 0, 0, 0, 0, 2, 27216, 31088, 15632, 5360, 1904, 432, 128, 0, 0, 0, 0, 0, 9, 68778, 84240, 61272, 33138, 15714, 5400, 1946, 720, 270, 126, 72, 18, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 4 ]
[ "nonn", "tabf" ]
A340866
[ 1, 2, 9, 9, 3, 6, 4, 5, 4, 7, 9, 1, 4, 9, 7, 7, 9, 8, 8, 1, 6, 0, 8, 4, 0, 0, 1, 4, 9, 6, 4, 2, 6, 5, 9, 0, 9, 5, 0, 2, 5, 7, 4, 9, 7, 0, 4, 0, 8, 3, 2, 9, 6, 6, 2, 0, 1, 6, 7, 8, 1, 7, 7, 0, 3, 1, 2, 9, 2, 2, 8, 7, 8, 8, 3, 5, 4, 4, 0, 3, 5, 8, 0, 6, 4, 7, 6, 4, 7, 6, 9, 7, 6, 7, 6, 5, 7, 9, 3, 0, 2, 9, 4, 0, 9, 3, 5, 5, 0, 7, 6, 3, 7, 3, 7, 4, 3, 2, 1, 5, 4, 2, 7, 1, 1, 9, 0, 7, 0, 3, 3, 5, 4, 0, 9, 8, 6, 0, 6, 1, 4, 5, 0, 3, 2, 9, 7, 2, 5, 8, 8, 4, 3, 6, 1, 1, 5, 9, 8 ]
[ "nonn", "cons" ]
A121194
[ 1, 2, 10, 84 ]
[ "nice", "nonn", "more" ]
A317639
[ 1, 1, 1, 2, 4, 6, 10, 19, 32, 54, 98, 170, 292, 520, 909, 1577, 2787, 4883, 8515, 14998, 26299, 45984, 80863, 141844, 248381, 436406, 765649, 1341844, 2356500, 4134749, 7249981, 12728630, 22335110, 39174776, 68766785, 120670190, 211689586, 371558266, 652014636 ]
[ "nonn" ]
A366616
[ 2, 4, 4, 12, 4, 8, 8, 16, 8, 32, 16, 32, 8, 16, 8, 96, 8, 16, 32, 32, 16, 576, 16, 16, 16, 32, 24, 320, 8, 16, 128, 32, 16, 384, 64, 128, 64, 32, 16, 192, 32, 64, 64, 64, 8, 512, 8, 32, 32, 128, 128, 768, 32, 32, 64, 128, 128, 384, 8, 64, 64, 64, 16, 24576, 16 ]
[ "nonn" ]
A318156
[ 0, 1, 2, 3, 4, 5, 7, 9, 12, 16, 21, 27, 35, 44, 55, 69, 85, 104, 127, 154, 186, 224, 268, 320, 381, 452, 534, 630, 741, 869, 1017, 1187, 1382, 1606, 1862, 2155, 2489, 2869, 3301, 3792, 4349, 4979, 5692, 6497, 7405, 8429, 9581, 10876, 12331, 13963, 15792, 17840, 20131, 22691 ]
[ "nonn" ]