id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A259955
[ 34, 67, 155, 353, 808, 1884, 4340, 9925, 22799, 52515, 120848, 277830, 638728, 1468871, 3378335, 7769445, 17866796, 41087200, 94488464, 217296769, 499716771, 1149192279, 2642787772, 6077609506, 13976655996, 32142038875, 73916854091 ]
[ "nonn" ]
A241344
[ 0, 1, 2, 3, 4, 6, 8, 12, 16, 22, 31, 44, 50, 78, 102, 125, 163, 230, 271, 379, 441, 575, 760, 978, 1073, 1457, 1865, 2250, 2704, 3544, 3955, 5293, 6154, 7637, 9533, 11171, 12702, 16718, 20215, 23926, 26949, 34725, 39187, 49415, ...
[ "nonn", "easy" ]
A317419
[ 0, 1, 2, 2, 4, 4, 4, 6, 8, 8, 6, 6, 8, 8, 8, 10, 12, 12, 10, 14, 20, 14, 8, 10, 12, 12, 8, 8, 12, 14, 14, 10, 10, 12, 12, 8, 10, 14, 16, 12, 6, 10, 12, 14, 8, 8, 12, 14, 14, 14, 14, 10, 12, 12, 8, 12, 18,...
[ "nonn", "base" ]
A336034
[ 1, 2, 11, 21, 3, 12, 4, 322, 5, 42, 6, 7, 251, 8, 161, 71, 9, 13, 82, 1322, 19, 22, 14, 24, 15, 49, 43, 151, 31, 41, 91, 51, 61, 81, 111, 112, 16, 23, 17, 33, 62, 53, 27, 63, 18, 73, 37, 83, 25, 831, 715, 26, 28,...
[ "base", "nonn" ]
A112032
[ 4, 1, 8, 2, 16, 4, 32, 8, 64, 16, 128, 32, 256, 64, 512, 128, 1024, 256, 2048, 512, 4096, 1024, 8192, 2048, 16384, 4096, 32768, 8192, 65536, 16384, 131072, 32768, 262144, 65536, 524288, 131072, 1048576, 262144, 2097152, 524288, 4194304,...
[ "nonn", "frac" ]
A061783
[ 229, 239, 241, 257, 269, 271, 277, 281, 439, 443, 463, 467, 479, 499, 613, 641, 653, 661, 673, 677, 683, 691, 811, 823, 839, 863, 881, 20011, 20029, 20047, 20051, 20101, 20161, 20201, 20249, 20269, 20347, 20389, 20399, 20441, 20477, 2...
[ "nonn", "base", "easy" ]
A133210
[ 1, 6, 10, 12, 2, 6, 5, 11, 2, 10, 5, 11, 2, 12, 7, 11, 2, 5, 9, 11, 2, 6, 5, 11, 1, 5, 6, 12, 1, 11, 6, 12, 2, 5, 9, 11, 2, 10, 5, 11, 1, 5, 6, 12, 1, 11, 6, 12, 2, 5, 9, 11, 2, 12, 7, 11, 1, 7, 4, ...
[ "nonn", "uned" ]
A116284
[ 32, 60, 804, 4778, 5214, 7406, 48208886, 51791106, 77620651, 4291816088, 4482541430, 5517458562, 5708183904, 9036996876, 9737360643, 3.5792055620001363e+27, 3.939042613182346e+27 ]
[ "nonn", "base" ]
A150619
[ 1, 2, 7, 27, 113, 488, 2153, 9694, 44271, 204554, 953315, 4475849, 21137241, 100325552, 478223145, 2287958851, 10981230887, 52852954902, 255010311345, 1233090218839, 5974213577387, 28995287070748, 140948424165699, 686143437201718, 3344529967847247, 16321924207377448...
[ "nonn", "walk" ]
A306076
[ 2, 3, 10, 12, 21, 43, 87, 120, 122, 175, 241, 351, 483, 703, 967, 1330, 1332, 1407, 1935, 2661, 2815, 3871, 5323, 5631, 7743, 10647, 11263, 14640, 14642, 15487, 21295, 22527, 29281, 30975, 42591, 45055, 58563, 61951, 85183, 90111, 11712...
[ "easy", "nonn" ]
A327931
[ 1, 2, 2, 3, 2, 4, 2, 5, 6, 7, 2, 8, 2, 9, 10, 11, 2, 12, 2, 13, 14, 15, 2, 16, 17, 18, 19, 20, 2, 21, 2, 22, 23, 24, 25, 26, 2, 27, 28, 29, 2, 30, 2, 31, 32, 33, 2, 34, 35, 36, 37, 38, 2, 39, 28, 40, 41, ...
[ "nonn" ]
A196349
[ 7, 24, 80, 25, 35, 400, 14, 48, 65, 160, 16, 21, 72, 221, 25, 50, 315, 40, 475, 70, 800, 160, 28, 96, 40, 240, 130, 75, 175, 35, 51, 64, 120, 203, 616, 105, 320, 375, 32, 42, 144, 442, 40, 525, 50, 100, 630, 195, 80, 4...
[ "nonn" ]
A332441
[ 6, 10, 42, 54, 110, 78, 60, 68, 342, 42, 506, 250, 486, 406, 310, 330, 420, 666, 156, 410, 602, 540, 2162, 2058, 408, 1378, 220, 342, 3422, 1830, 378, 390, 4422, 1518, 4970, 1314, 1500, 2310, 6162, 4374, 6806, 680, 2436, 1958, 1...
[ "nonn" ]
A284165
[ 1, 2, 2, 3, 4, 3, 6, 13, 13, 6, 10, 42, 62, 42, 10, 19, 134, 461, 461, 134, 19, 33, 467, 2872, 5888, 2872, 467, 33, 62, 1689, 21790, 80072, 80072, 21790, 1689, 62, 112, 6210, 154108, 1142173, 2179255, 1142173, 154108, 6210, 112,...
[ "nonn", "tabl" ]
A153817
[ 0, 1, 2, 4, 6, 10, 13, 18, 22, 28, 33, 42, 48, 57, 65, 74, 83, 95, 105, 118, 130, 142, 155, 171, 185, 200, 216, 232, 248, 270, 286, 307, 325, 345, 365, 390, 409, 433, 454, 480, 502, 532, 555, 583, 610, 636, 665, 695, 723...
[ "easy", "nonn" ]
A044767
[ 54, 154, 254, 354, 454, 549, 554, 654, 754, 854, 954, 1054, 1154, 1254, 1354, 1454, 1549, 1554, 1654, 1754, 1854, 1954, 2054, 2154, 2254, 2354, 2454, 2549, 2554, 2654, 2754, 2854, 2954, 3054, 3154, 3254, 3354, 3454, 3549 ]
[ "nonn", "base" ]
A078340
[ 2, 6, 3, 9, 6, 1, 8, 18, 9, 4, 1, 5, 11, 11, 7, 21, 3, 1, 13, 3, 7, 9, 12, 3, 5, 54, 11, 1, 14, 11, 15, 2, 34, 5, 12, 48, 3, 7, 3, 25, 3, 7, 13, 7, 10, 2, 6, 15, 28, 4, 7, 36, 7, 3, 36, 3, 56, 16, 2, ...
[ "nonn" ]
A033984
[ 1, 7, 40369, 673663, 990409, 1697609, 2073127, 6462649, 7527199, 7559479, 14421169, 21484129, 37825753, 57233047, 130647919, 141735559, 179203369, 188967289, 218206489, 259195009, 264538057, 277628449, 330662479, 398321239, 501126487 ]
[ "nonn" ]
A193507
[ 2, 3, 13, 19, 31, 43, 53, 61, 71, 73, 101, 103, 109, 131, 151, 157, 173, 181, 191, 229, 233, 239, 241, 251, 269, 271, 283, 311, 313, 349, 353, 373, 379, 409, 419, 421, 433, 439, 443, 463, 491, 499, 509, 571, 577, 593, 599, ...
[ "nonn" ]
A070105
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 0, 0, 3, 0, 1, 0, 1, 0, 2, 0, 0, 0, 0, 0, 3, 0, 1, 0, 3, 0...
[ "nonn", "look" ]
A359377
[ 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0...
[ "nonn", "mult" ]
A193879
[ 0, 2, 4, 6, 8, 11, 12, 15, 16, 28, 29, 32, 33, 36, 38, 40, 42, 44, 47, 48, 51, 52, 64, 65, 68, 69, 72, 74, 76, 78, 80, 83, 84, 87, 88, 100, 101, 104, 105, 108, 110, 112, 114, 116, 119, 120, 123, 124, 136, 137, 140, ...
[ "nonn", "easy" ]
A174796
[ 1, 2, 7, 30, 143, 728, 3148, 15986, 86009, 478907, 2731365, 13131703, 72135374, 412835191, 2416852480, 14369476066, 72067537808, 409636973141, 2412844770335, 14479410843183, 87964452906330, 451313038006432 ]
[ "nonn" ]
A179963
[ 120, 646, 3984, 25384, 161136, 1019616, 6433728, 40495488, 254319360, 1593945600 ]
[ "nonn", "more" ]
A177998
[ 0, 0, 907, 9007, 90007, 900007, 8000009, 40000003, 700000001, 9000000001, 40000000003, 700000000009, 8000000000009, 70000000000009, 940000000000007, 9000000000000007, 70000000000000000, 200000000000000000 ]
[ "nonn", "base" ]
A354540
[ 1, 1, 2, 3, 7, 11, 26, 43, 102, 175, 416, 733, 1745, 3137, 7476, 13651, 32559, 60199, 143672, 268369, 640823, 1207277, 2884008, 5472821, 13078414, 24973213, 59696622, 114609547, 274037261, 528622499, 1264251474, 2449053107 ]
[ "nonn" ]
A002026
[ 0, 1, 2, 5, 12, 30, 76, 196, 512, 1353, 3610, 9713, 26324, 71799, 196938, 542895, 1503312, 4179603, 11662902, 32652735, 91695540, 258215664, 728997192, 2062967382, 5850674704, 16626415975, 47337954326, 135015505407, 385719506620, 1103642686382, 31623762051...
[ "nonn", "easy", "nice" ]
A142949
[ 53, 181, 373, 757, 821, 1013, 1973, 2293, 2357, 2549, 2677, 2741, 3061, 3253, 3637, 3701, 4021, 4597, 4789, 5237, 5557, 5749, 5813, 6133, 6197, 6389, 6581, 6709, 7349, 7477, 7541, 7669, 8053, 8117, 8501, 8629, 8693, 8821, 9013, 9397, 94...
[ "nonn", "easy" ]
A363178
[ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 6, 7, 2, 3, 2, 3, 9, 4, 3, 2, 8, 4, 2, 2, 4, 2, 8, 1, 7, 7, 0, 0, 1, 1, 3, 8, 5, 4, 7, 3, 8, 9, 8, 9, 0, 7, 3, 2, 2, 1, 9, 5, 5, 3, 9...
[ "nonn", "cons" ]
A278902
[ 0, 0, 0, 0, 0, 8, 12, 24, 28, 40, 48, 68, 72, 100, 120, 132, 144, 188, 208, 252, 280, 304, 336, 396, 416, 464, 512, 556, 592, 668, 704, 776, 844, 900, 960, 1020, 1056, 1148, 1240, 1308, 1348, 1456, 1524, 1628, 1728, 1792, 18...
[ "nonn" ]
A315191
[ 1, 6, 10, 14, 18, 26, 28, 38, 38, 42, 46, 58, 56, 70, 66, 70, 74, 90, 84, 102, 94, 98, 102, 122, 112, 134, 122, 126, 130, 154, 140, 166, 150, 154, 158, 186, 168, 198, 178, 182, 186, 218, 196, 230, 206, 210, 214, 250, 224...
[ "nonn" ]
A355357
[ 1, 1, 1, 4, 7, 20, 43, 110, 262, 674, 1684, 4397, 11320, 29938, 78641, 210044, 559724, 1507563, 4060585, 11016027, 29919220, 81673846, 223307300, 612851316, 1684816018, 4645243490, 12829177587, 35513736868, 98465916370, 273531234027, 760966444416 ]
[ "nonn" ]
A047406
[ 4, 6, 12, 14, 20, 22, 28, 30, 36, 38, 44, 46, 52, 54, 60, 62, 68, 70, 76, 78, 84, 86, 92, 94, 100, 102, 108, 110, 116, 118, 124, 126, 132, 134, 140, 142, 148, 150, 156, 158, 164, 166, 172, 174, 180, 182, 188, 190, 196, ...
[ "nonn", "easy" ]
A172794
[ 20592419760, 4.075056771162443e+23, 1.5496001580602805e+37, 7.786265410641623e+50 ]
[ "nonn" ]
A065605
[ 4, 8, 16, 40, 111, 306, 882, 2563, 7513, 22170, 65602, 194695, 578949, 1724117, 5140568, 15340177, 45811041, 136886318, 409221920, 1223856725, 3661401440, 10956876415, 32796782398, 98189738332, 294021666926, 880564233896 ]
[ "nonn" ]
A311676
[ 1, 4, 8, 13, 15, 24, 28, 31, 38, 42, 47, 46, 60, 61, 61, 71, 77, 77, 77, 95, 93, 92, 104, 111, 108, 108, 129, 126, 123, 136, 146, 139, 138, 164, 159, 153, 169, 181, 169, 169, 199, 191, 184, 202, 215, 200, 200, 233, 224, ...
[ "nonn" ]
A210530
[ 1, 2, 3, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 1, 2, 3, 4, 5, ...
[ "nonn", "tabl" ]
A072045
[ 1, 3, 2, 16, 768, 18432, 442368, 127401984, 9172942848, 440301256704, 52836150804480, 50722704772300800, 3652034743605657600, 6.135418369257505e+21, 1.0307502860352608e+24, 9.895202745938504e+25, 2.137363793122717e+28 ]
[ "nonn", "frac" ]
A183260
[ 7, 59, 1074, 23285, 526941, 12358457, 294747516, 7119707510, 173610143327, 4263303128795, 105283377755501, 2612030456816753, 65051981440720320, 1625345752707630300, 40722394587973394000, 1.0227325378517889e+21 ]
[ "nonn" ]
A384480
[ 0, 0, 0, 1, 1, 1, 2, 2, 2, 2, 2, 3, 2, 3, 2, 3, 3, 3, 3, 3, 3, 3, 4, 3, 3, 3, 4, 3, 4, 4, 4, 4, 3, 4, 4, 4, 3, 5, 4, 4, 3, 4, 4, 5, 3, 4, 4, 4, 4, 4, 4, 4, 5, 4, 3, 4, 5, 4, 5, 3, 4, 4, 5, 4...
[ "nonn", "tabl" ]
A032265
[ 1, 0, 1, 1, 4, 11, 41, 162, 925, 5945, 47017, 402788, 3895937, 40556595, 461544253, 5625446270, 73716523405, 1028179882589, 15257484239777, 239529471989352, 3971376169852777, 69288230115817656, 1269563315949912600, 24366794306903777000, 488969030312192600000 ]
[ "nonn" ]
A261792
[ 5, 7, 17, 31, 59, 83, 89, 151, 167, 233, 251, 373, 443, 467, 479, 601, 643, 719, 863, 911, 1019, 1097, 1151, 1187, 1291, 1439, 1553, 1637, 1759, 1931, 2207, 2861, 3023, 3389, 3449, 3539, 3659, 3719, 3779, 3967, 4759, 4793, 4861, 5...
[ "nonn" ]
A091626
[ 1, 2, 4, 6, 9, 11, 14, 16, 19, 22, 25, 27, 31, 33, 36, 39, 43, 45, 49, 51, 55, 58, 61, 63, 68, 71, 74, 77, 81, 83, 88, 90, 94, 97, 100, 103, 109, 111, 114, 117, 122, 124, 129, 131, 135, 139, 142, 144, 150, 153, 157, ...
[ "nonn" ]
A322335
[ 0, 0, 0, 1, 0, 3, 0, 4, 2, 7, 0, 13, 0, 15, 8, 21, 1, 37, 2, 45, 18, 58, 8, 95, 19, 109, 45, 150, 38, 232, 59, 268, 129, 357, 155, 523, 203, 633, 359, 852, 431, 1185, 609, 1464, 969 ]
[ "nonn", "more" ]
A277627
[ 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 3, 1, 0, 0, 0, 0, 0, 1, 4, 1, 0, 0, 0, 0, 0, 0, 3, 5, 1, 0, 0, 0, 0, 0, 0, 0, 6, 6, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1...
[ "nonn", "tabl" ]
A242843
[ 6, 12, 26, 54, 104, 194, 357, 590, 1012, 1814, 3137, 5990, 11400, 22864, 46715, 97788, 206639, 438654, 930092, 1969748, 4147412, 8696479, 18137872, 37638970, 77738200, 159832004, 327315948, 667736364, 1357690562, 2751972885, 5562836882, 11216402410 ]
[ "nonn" ]
A244698
[ 50, 192, 823, 3876, 19771, 107995, 624776, 3787558, 23822643, 154111782, 1018069938, 6829108505, 46316803213, 316615323825, 2176466957877, 15020655481036, 103953176630054, 720844789379037, 5005517246373317 ]
[ "nonn" ]
A331773
[ 0, 0, 2, 6, 15, 28, 53, 86, 137, 200, 299, 418, 571, 748, 997, 1282, 1639, 2040, 2545, 3106, 3767, 4492, 5401, 6394, 7523, 8744, 10225, 11822, 13625, 15556, 17743, 20074, 22685, 25456, 28675, 32086, 35803, 39724, 44209, 48934, 54067, ...
[ "nonn" ]
A023796
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 30, 31, 45, 46, 47, 60, 61, 62, 63, 75, 76, 77, 78, 79, 90, 91, 92, 93, 94, 95, 105, 106, 107, 108, 109, 110, 111, 120, 121, 122, 123, 124, 125, 126, 127, 135, ...
[ "nonn", "base", "fini", "easy" ]
A235409
[ 286, 2302, 20398, 150862, 1155953, 7379380, 48788187, 273307984, 1578043496, 7881635316, 40377942968, 182401018359, 842470282449, 3486469196480, 14723645176175, 56437062063876, 220480959884552, 790014974680676 ]
[ "nonn" ]
A063072
[ 1, 3, 7, 12, 28, 60, 91, 124, 168, 360, 546, 744, 1170, 2418, 2880, 4368, 5952, 9360, 19344, 28800, 39312, 59520, 79248, 99944, 112320, 180048, 203112, 232128, 345600, 471744, 714240, 950976, 1199328, 1451520, 2160576, 2437344, 2926080 ]
[ "easy", "nonn" ]
A290138
[ 0, 1, 4, 8, 22, 53, 184, 353, 1376, 3977, 363904, 396498, 39920896, 40060127, 1543910, 4687418, 1307674433536, 1307902407753, 355687428358144, 355691118382364, 162615882312376740, 1267150213999727, 51090942171713634000, 51090956256672370000 ]
[ "nonn" ]
A004563
[ 2, 1, 3, 0, 3, 0, 1, 0, 1, 3, 0, 0, 2, 2, 0, 0, 1, 0, 2, 1, 0, 0, 2, 1, 1, 3, 0, 3, 3, 2, 2, 0, 0, 1, 2, 1, 0, 0, 3, 0, 2, 0, 2, 2, 0, 1, 2, 1, 0, 0, 3, 1, 0, 2, 2, 2, 2, 3, 0, 2, 0, 3, 2, 1...
[ "nonn", "base", "cons" ]
A279513
[ 1, 2, 3, 4, 5, 6, 7, 6, 6, 10, 11, 12, 13, 14, 15, 8, 17, 12, 19, 20, 21, 22, 23, 18, 10, 26, 9, 28, 29, 30, 31, 10, 33, 34, 35, 24, 37, 38, 39, 30, 41, 42, 43, 44, 30, 46, 47, 24, 14, 20, 51, 52, 53, 18, 55,...
[ "nonn", "mult" ]
A003850
[ 174182400, 4952179814400, 67010895544320000, 8911539000000000000, 1.125549911777989e+23, 1.9031213036231093e+25, 1.2918200687114481e+26, 3.574962543527298e+28 ]
[ "nonn", "easy" ]
A374503
[ 36, 300, 780, 1596, 2016, 2556, 2628, 3240, 3828, 4560, 5460, 6216, 7260, 8256, 9180, 10296, 10440, 11628, 12720, 14196, 16836, 18336, 18528, 21528, 23220, 23436, 25200, 26796, 28680, 32640, 34716, 34980, 37128, 39060, 41616, 43956, 46056, 48...
[ "nonn" ]
A223988
[ 20, 400, 5029, 44803, 308470, 1738756, 8350154, 35158856, 132595894, 455284536, 1441678804, 4253578398, 11791889562, 30929283640, 77204065141, 184304047745, 422556706314, 933834642586, 1995549087157, 4134881948947, 8327774224280 ]
[ "nonn" ]
A011317
[ 1, 1, 4, 8, 0, 3, 3, 3, 7, 4, 6, 0, 7, 6, 3, 8, 4, 1, 6, 7, 0, 6, 2, 9, 5, 7, 2, 5, 0, 4, 5, 2, 5, 5, 6, 9, 1, 9, 2, 9, 0, 3, 1, 7, 1, 4, 2, 0, 6, 3, 7, 1, 8, 3, 6, 9, 9, 1, 2, 9, 3, 5, 5, 0...
[ "nonn", "cons" ]
A031721
[ 1851, 7400, 16647, 29592, 46235, 66576, 90615, 118352, 149787, 184920, 223751, 266280, 312507, 362432, 416055, 473376, 534395, 599112, 667527, 739640, 815451, 894960, 978167, 1065072, 1155675, 1249976, 1347975, 1449672, 1555067, 1664160 ]
[ "nonn" ]
A205576
[ 1, 1, 3, 15, 89, 685, 6331, 67851, 833265, 11509209, 176580211, 2980609863, 54883547465, 1094804661509, 23519070268331, 541334395140675, 13290451105971424, 346691343404639170, 9575683088728787000, 279175712231827540000, 8.567653762387524e+21 ]
[ "nonn" ]
A367355
[ 1, 5, 12, 13, 17, 25, 29, 36, 37, 41, 48, 49, 53, 61, 66, 68, 76 ]
[ "nonn", "base", "fini", "full" ]
A343775
[ 2, 5, 17, 19, 23, 29, 37, 41, 47, 53, 59, 67, 71, 79, 83, 89, 97, 101, 103, 107, 109, 113, 131, 137, 139, 149, 151, 163, 167, 173, 179, 181, 191, 193, 197, 199, 223, 227, 229, 233, 239, 251, 257, 263, 269, 271, 277, 281, ...
[ "nonn", "base" ]
A324614
[ 1, 1, 1, 2, 3, 9, 21, 76, 241, 962, 3687, 15930, 68993, 320025, 1511977, 7471685, 37780922, 197506241, 1056928087, 5810534182, 32667061545, 187952045908, 1104355482420, 6623724997302, 40514607315969, 252490521215350, 1602602016169781, 10349126940718990, 679849...
[ "nonn" ]
A264622
[ 0, 1, 2, 1, 1, 4, 6, 5, 7, 15, 21, 23, 34, 58, 80, 101, 149, 230, 319, 431, 629, 928, 1299, 1810, 2617, 3784, 5336, 7536, 10828, 15521, 21992, 31236, 44713, 63862, 90741, 129177, 184524, 263178, 374521, 533619, 761403, 1085401, 1545...
[ "nonn" ]
A347063
[ 24, 30, 42, 48, 54, 60, 66, 78, 84, 90, 96, 102, 108, 114, 120, 126, 132, 138, 140, 150, 156, 160, 168, 174, 180, 186, 192, 198, 204, 210, 216, 220, 222, 224, 228, 240, 246, 252, 258, 260, 264, 270, 276, 280, 282, 300, 306, ...
[ "nonn" ]
A334611
[ 0, 9, 82, 747, 7065, 69098, 694272, 7127865, 74468546, 789265125, 8466019380, 91736269053, 1002710879409, 11042713886256, 122413333216960, 1364880618458565, 15296452128008100, 172218124701600740, 1946960139291303200, 22092883135853433000, 251545025683283250000 ]
[ "nonn" ]
A173061
[ 1, 1, 1, 1, 3, 4, 5, 17, 27, 44, 98, 84, 175, 475, 331, 491, 1721, 2241, 1731, 4552, 3442, 3677, 15886, 6139, 10878, 19516, 10626, 22895, 31070, 18831, 19640 ]
[ "nonn", "more" ]
A370310
[ 0, 10, 1785, 21096608 ]
[ "nonn", "more" ]
A171097
[ 5, 7, 8, 9, 11, 12, 14, 17, 18, 21, 23, 24, 25, 29, 34, 37, 42, 46, 51, 52, 55, 56, 61, 67, 68, 70, 77, 86, 89, 90, 103, 104, 106, 122, 127, 128, 130, 133, 137, 142, 154, 157, 170, 171, 172, 178, 209, 211, 212, 241, ...
[ "nonn" ]
A003928
[ 60, 4680000, 228501000000000, 6.9732792675e+24, 1.330047331511727e+38, 1.585539968089882e+54 ]
[ "nonn" ]
A275647
[ 1, 1, 9, 2, 6, 8, 6, 6, 4, 6, 8, 0, 7, 1, 6, 0, 9, 3, 7, 9, 6, 5, 8, 7, 1, 8, 0, 1, 8, 1, 3, 7, 7, 7, 2, 5, 5, 0, 4, 5, 7, 1, 8, 5, 5, 7, 9, 6, 6, 9, 0, 6, 0, 1, 5, 9, 9, 9, 1, 3, 9, 2, 9, 9...
[ "nonn", "cons" ]
A291352
[ 1, 3, 7, 191, 25983, 2663063519, 7160414743310596000, 2.0822979165277662e+38, 4.521874258936395e+76 ]
[ "nonn" ]
A023696
[ 121, 283, 337, 355, 361, 363, 365, 367, 373, 391, 445, 607, 769, 823, 841, 847, 849, 851, 853, 859, 877, 931, 985, 1003, 1009, 1011, 1013, 1015, 1021, 1039, 1057, 1063, 1065, 1067, 1069, 1075, 1081, 1083, 1085, 1087 ]
[ "nonn", "base", "easy" ]
A076193
[ 3, 5, 9, 11, 17, 19, 23, 51, 219, 421, 2845, 4691, 10617 ]
[ "nonn", "more" ]
A089176
[ 2, 7, 23, 43, 47, 61, 73, 79, 97, 151, 167, 173, 223, 241, 277, 313, 331, 349, 359, 367 ]
[ "dead" ]
A098558
[ 1, 2, 4, 12, 48, 240, 1440, 10080, 80640, 725760, 7257600, 79833600, 958003200, 12454041600, 174356582400, 2615348736000, 41845579776000, 711374856192000, 12804747411456000, 243290200817664000, 4865804016353280000, 102181884343418880000, 2.2480014555552154e+21 ]
[ "easy", "nonn" ]
A366239
[ 1, 2, 8, 49, 329, 2401, 18452, 147140, 1206157, 10101011, 86047138, 743288984, 6495476548, 57321239999, 510104531479, 4572492374150, 41247768216331, 374175606700172, 3411195598361653, 31236732721224720, 287182875831208480, 2649838553953071000 ]
[ "nonn" ]
A099051
[ 7, 23, 159, 895, 22527, 106495, 2228223, 9961471, 192937983, 15569256447, 66571993087, 5085241278463, 90159953477631, 378231999954943, 6614661952700415, 477381560501272600, 34011184385901986000 ]
[ "nonn", "easy" ]
A008131
[ 1, 4, 10, 20, 34, 52, 74, 102, 136, 172, 208, 248, 298, 356, 414, 470, 530, 600, 678, 756, 832, 912, 1004, 1106, 1206, 1300, 1398, 1512, 1638, 1760, 1874, 1992, 2126, 2272, 2414, 2548, 2686, 2842, 3012, 3176, 3328, 3484, 3662, 385...
[ "nonn" ]
A082417
[ 2, 4, 6, 10, 12, 16, 18, 22, 25, 28, 30, 33, 36, 40, 42, 46, 48, 50, 52, 54, 58, 60, 64, 66, 68, 70, 72, 75, 78, 82, 85, 88, 93, 96, 98, 100, 102, 106, 108, 110, 112, 115, 117, 121, 126, 128, 130, 133, 136, 138, 141,...
[ "nonn" ]
A365425
[ 1, 1, 1, 2, 1, 4, 2, 2, 1, 8, 4, 4, 2, 6, 2, 2, 1, 16, 8, 8, 4, 12, 4, 4, 2, 12, 6, 6, 2, 6, 2, 2, 1, 32, 16, 16, 8, 24, 8, 8, 4, 36, 12, 12, 4, 12, 4, 4, 2, 24, 12, 12, 6, 30, 6, 6, 2, 12, 6, 6, ...
[ "nonn" ]
A299087
[ 32, 1012, 5470, 36667, 273360, 2001653, 14514670, 105596164, 769538056, 5605624825, 40835714546, 297572901733, 2168362433721, 15799872853544, 115131275258487, 838953244505743, 6113360789406252, 44547557450851110 ]
[ "nonn" ]
A069079
[ 40, 504, 2160, 6160, 14040, 27720, 49504, 82080, 128520, 192280, 277200, 387504, 527800, 703080, 918720, 1180480, 1494504, 1867320, 2305840, 2817360, 3409560, 4090504, 4868640, 5752800, 6752200, 7876440, 9135504, 10539760, 12099960, 13827240, 15733120, 1...
[ "easy", "nonn" ]
A387431
[ 1, 0, 1, 0, 1, 1, 0, 1, 4, 1, 0, 1, 10, 9, 1, 0, 1, 25, 64, 21, 1, 0, 1, 62, 380, 363, 46, 1, 0, 1, 137, 2196, 6103, 2567, 112, 1, 0, 1, 294, 10963, 89989, 135673, 23868, 291, 1, 0, 1, 599, 51051, 1055752, 5663404, ...
[ "nonn", "tabl" ]
A212532
[ 4, 4, 7, 10, 15, 15, 24, 29, 39, 45, 57, 65, 83, 92, 111, 127, 149, 163, 193, 213, 245, 270, 305, 333, 378, 408, 455, 496, 547, 587, 650, 697, 763, 819, 889, 949, 1033, 1096, 1183, 1261, 1353, 1431, 1539, 1625, 1737, 1836, 1...
[ "nonn" ]
A349702
[ 0, 0, 1, 2, 3, 6, 4, 8, 12, 5, 10, 16, 20, 6, 12, 20, 26, 30, 7, 14, 24, 32, 39, 42, 8, 16, 28, 38, 48, 54, 56, 9, 18, 32, 44, 57, 66, 72, 72, 10, 20, 36, 50, 66, 78, 88, 92, 90, 11, 22, 40, 56, 75, 90, 104, ...
[ "easy", "nonn", "tabf" ]
A116044
[ 1, 2, 3, 4, 5, 6, 14, 23, 28, 45, 51, 55, 56, 63, 75, 79, 85, 95, 136, 138, 146, 161, 168, 169, 186, 189, 195, 201, 227, 231, 241, 247, 272, 274, 275, 276, 292, 297, 306, 322, 323, 336, 389, 398, 418, 423, 430, 444, 473,...
[ "nonn", "base" ]
A353623
[ 1, 2, 3, 2, 2, 6, 3, 3, 2, 2, 2, 5, 2, 2, 6, 6, 5, 3, 3, 3, 3, 3, 6, 2, 2, 3, 2, 2, 2, 3, 2, 2, 9, 5, 12, 2, 2, 2, 12, 2, 2, 6, 6, 12, 11, 6, 6, 14, 5, 9, 8, 3, 3, 3, 3, 3, 3, 3, 9, 11, 3, 3, ...
[ "nonn", "base" ]
A144201
[ 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0...
[ "fini", "full", "nonn", "tabf" ]
A375282
[ 1, 1, 1, 1, 2, 7, 16, 29, 47, 82, 162, 331, 650, 1220, 2262, 4261, 8175, 15747, 30121, 57210, 108521, 206456, 393865, 751675, 1432772, 2728076, 5193901, 9893596, 18853664, 35928972, 68454369, 130403085, 248413549, 473261209, 901681650, 1717923403...
[ "nonn" ]
A358607
[ 1, 1, 1, 5, 23, 115, 697, 4925, 39623, 357955, 3589177, 39558845, 475412423, 6187461955, 86702878777, 1301486906045, 20836087009223, 354385941189955, 6381537618718777, 121290714467642050, 2426520470557921300, 50969651457241800000, 1.1215742073070497e+21 ]
[ "nonn" ]
A388793
[ 1, 3, 4, 5, 3, 9, 1, 8, 3, 4, 1, 8, 5, 8, 3, 9, 7, 7, 4, 0, 2, 6, 8, 1, 0, 3, 7, 9, 1, 8, 9, 3, 1, 6, 0, 4, 6, 3, 0, 0, 2, 3, 7, 9, 8, 2, 6, 1, 0, 5, 7, 5, 3, 3, 1, 8, 9, 2, 1, 0, 3, 1, 2, 5...
[ "nonn", "cons" ]
A359318
[ 0, 1, 5, 14, 30, 55, 819, 506, 1785, 1015, 16206, 51039, 98021, 81375, 1113775, 964535, 2607099, 5494655, 1048061, 6029275, 50331190, 356343295, 534555645, 516941815, 4021378559, 2143222510, 12842950505, 34091142526, 68651299705, 124545644405, 273736383990...
[ "nonn", "base" ]
A048534
[ 2, 272, 20022, 210222, 2127222, 112222242, 1329222222, 222721228422, 222222202620, 12225222042222, 222922622262242, 22222622629269224, 222262242222052130, 22222222222226400, 222222624222746840000, 1.3222522222222256e+22, 2.222222252632229e+23 ]
[ "nonn", "base" ]
A014679
[ 1, 0, 1, 3, 2, 3, 6, 6, 7, 10, 11, 13, 16, 17, 20, 24, 25, 28, 33, 35, 38, 43, 46, 50, 55, 58, 63, 69, 72, 77, 84, 88, 93, 100, 105, 111, 118, 123, 130, 138, 143, 150, 159, 165, 172, 181, 188, 196, 205, 212, 221, 2...
[ "nonn", "easy", "nice" ]
A267684
[ 1, 100, 11011, 1110111, 111101111, 11111011111, 1111110111111, 111111101111111, 11111111011111112, 1111111110111111200, 111111111101111100000, 1.111111111101111e+22, 1.1111111111101112e+24, 1.111111111111011e+26, 1.111111111111101e+28 ]
[ "nonn", "easy" ]
A009963
[ 1, 1, 1, 1, 2, 1, 1, 6, 6, 1, 1, 24, 72, 24, 1, 1, 120, 1440, 1440, 120, 1, 1, 720, 43200, 172800, 43200, 720, 1, 1, 5040, 1814400, 36288000, 36288000, 1814400, 5040, 1, 1, 40320, 101606400, 12192768000, 60963840000, 12192768000, 10...
[ "nonn", "tabl" ]
A115670
[ 14, 34, 35, 38, 74, 91, 95, 106, 118, 119, 133, 134, 142, 145, 146, 166, 194, 301, 305, 334, 346, 358, 361, 362, 365, 371, 377, 382, 386, 391, 395, 703, 706, 713, 721, 731, 745, 746, 749, 755, 758, 763, 778, 779, 785, 791, 7...
[ "nonn", "base" ]
A160715
[ 0, 1, 4, 7, 16, 19, 28, 37, 58, 61, 70, 79, 100, 115, 136, 163, 214, 217, 226, 235, 256, 271, 292, 319, 370, 391, 412, 439, 490, 541, 598, 667, 784, 787 ]
[ "more", "nonn" ]
A286025
[ 1, 3, 4, 15, 24, 63, 96, 255, 480, 1023, 1920, 4095, 7680, 16383, 30720, 65535, 127488, 262143, 522240, 1048575, 2088960, 4194303, 8355840, 16777215, 33423360, 67108863, 133693440, 268435455, 534773760, 1073741823, 2139095040, 4294967295, 8587968512 ]
[ "nonn", "easy" ]