id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A050590
[ 1, 3, 4, 5, 8, 9, 12, 16, 28, 51, 56, 59, 72, 73, 88, 93, 105, 148, 165, 292, 368, 445, 635, 771, 773, 940, 1173, 1965, 2661, 3092, 5001, 5091, 8741, 9773, 13960, 15328, 19408, 19911, 21228, 34876, 37341, 38564, 39055, 39152, 45395, 68825, 72360, 78365, 126303, 130240, 150808, 214985 ]
[ "hard", "nonn" ]
A323471
[ -1, 2084, 7081, 10847, 25963, 22421, 202891, 142679, 252953, 188501, 257479, 604328, 667827, 57217, 115497, 231930, 203331, 283651, 426851, 153521, 231299, 142267, 236487, 149872, 204527, 215033, 285983, 188082, 153461, 128802, 213853, 202259, 94967, 224778 ]
[ "sign" ]
A188920
[ 1, 1, 2, 4, 7, 13, 22, 38, 63, 105, 169, 274, 434, 686, 1069, 1660, 2548, 3897, 5906, 8911, 13352, 19917, 29532, 43605, 64056, 93715, 136499, 198059, 286233, 412199, 591455, 845851, 1205687, 1713286, 2427177, 3428611, 4829563, 6784550, 9505840, 13284849 ]
[ "nonn" ]
A239329
[ 1, 2, 3, 4, 7, 9, 14, 19, 27, 36, 51, 67, 90, 117, 157, 204, 266, 337, 436, 554, 708, 890, 1123, 1401, 1750, 2172, 2701, 3329, 4106, 5026, 6161, 7507, 9147, 11095, 13455, 16245, 19597, 23555, 28288, 33867, 40514, 48328, 57590, 68456, 81286, 96286, 113947 ]
[ "nonn", "easy" ]
A192902
[ 0, 1, 1, 10, 93, 6350, 776556, 420484542 ]
[ "nonn" ]
A267822
[ 1, 2, 2, 3, 7, 5, 3, 25, 22, 17, 72, 161, 89, 72, 50, 25, 22, 17, 10, 7, 5, 3, 2, 5, 624, 622, 619, 614, 607, 597, 580, 558, 533, 483, 411, 6466, 5983, 5450, 4892, 4312, 3715, 3108, 2494, 43297, 40803, 37695, 33980 ]
[ "nonn" ]
A320733
[ 1, 1, 3, 6, 13, 26, 54, 108, 219, 439, 882, 1766, 3539, 7081, 14172, 28351, 56716, 113443, 226908, 453833, 907698, 1815424, 3630893, 7261829, 14523725, 29047513, 58095121, 116190338, 232380810, 464761759, 929523710, 1859047619, 3718095507, 7436191301 ]
[ "nonn" ]
A326937
[ 1, -1, -3, 0, -5, 3, -7, 0, 0, 5, -11, 0, -13, 7, 15, 0, -17, 0, -19, 0, 21, 11, -23, 0, 0, 13, 0, 0, -29, -15, -31, 0, 33, 17, 35, 0, -37, 19, 39, 0, -41, -21, -43, 0, 0, 23, -47, 0, 0, 0, 51, 0, -53, 0, 55, 0, 57, 29, -59, 0, -61, 31, 0, 0, 65, -33, -67, 0, 69, -35, -71, 0, -73, 37, 0 ]
[ "sign", "mult" ]
A324556
[ 0, 1, 3, 2, 7, 5, 8, 4, 6, 11, 17, 9, 128, 32, 256, 16, 15, 10, 35, 19, 257, 65, 513, 33, 64, 2048, 131072, 512, 3.402823669209385e+38, 4294967296, 1.157920892373162e+77, 65536, 13, 23 ]
[ "nonn", "base" ]
A334678
[ 5, 10, 13, 15, 17, 20, 25, 26, 29, 30, 34, 37, 41, 40, 45, 50, 52, 53, 61, 58, 65, 65, 65, 65, 68, 75, 73, 82, 85, 80, 85, 85, 85, 89, 91, 90, 101, 100, 95, 97, 113, 111, 109, 122, 123, 115, 125, 125, 130, 130, 145, 130, 145, 136, 135, 143, 150, 149, 145, 145, 146, 164, 170, 155 ]
[ "nonn", "changed" ]
A373862
[ 3, 7, 7, 1, 0, 0, 9, 4, 9, 1, 4, 0, 0, 9, 2, 3, 2, 2, 6, 0, 7, 9, 0, 8, 1, 1, 3, 7, 6, 7, 7, 3, 3, 8, 4, 1, 2, 4, 3, 5, 0, 9, 3, 6, 9, 9, 8, 4, 2, 2, 3, 1, 9, 0, 7, 3, 0, 0, 0, 9, 4, 4, 5, 9, 5, 9, 1, 8, 9, 2, 3, 5, 5, 0, 5, 6, 2, 1, 7, 4, 2, 9, 2, 2, 9, 0, 5, 2, 2, 9, 5, 7, 1, 7, 9, 9, 3, 6, 0, 5, 6, 7, 4, 6, 3 ]
[ "nonn", "cons" ]
A095325
[ 1, 2, 2, 4, 7, 12, 19, 30, 67, 102, 211, 340, 722, 1146, 2329, 3992, 8423, 14010, 29281, 49682, 105893, 180016, 378928, 654049, 1385920, 2387358, 5069466, 8820563, 18782814, 32732736, 69445570, 121964573, 259680216 ]
[ "nonn" ]
A287799
[ 1, 3, 21, 33, 123, 219, 321, 3453, 6621, 16521, 18273, 25089, 27831, 29787, 62313, 69981, 75459, 95577, 101301, 105459, 157299, 196239, 197481, 247047, 259797, 281433, 359943, 390237, 418881, 460821, 529167, 569559, 595869, 680307, 727341, 945141, 955569, 964401 ]
[ "nonn" ]
A340443
[ 6, 5, 0, 5, 8, 1, 6, 1, 3, 6, 7, 8, 8, 0, 6, 6, 1, 8, 6, 0, 3, 5, 4, 7, 6, 1, 7, 3, 6, 5, 7, 0, 2, 4, 3, 3, 4, 6, 4, 8, 5, 5, 6, 6, 4, 3, 1, 2, 1, 2, 0, 4, 4, 2, 2, 8, 5, 7, 6, 2, 0, 5, 3, 5, 6, 4, 8, 0, 2, 1, 6, 5, 5, 2, 1, 2, 3, 5, 1, 8, 9, 3, 7, 9, 8, 1, 4, 7, 4, 5, 1, 2, 8, 1, 1, 6, 1, 8, 3, 8, 3, 7, 9, 7 ]
[ "nonn", "cons" ]
A038125
[ 1, 1, 0, 0, 1, -1, 0, 6, -19, 29, 48, -524, 2057, -3901, -9632, 129034, -664363, 1837905, 2388688, -67004696, 478198545, -1994889945, 1669470784, 56929813934, -615188040195, 3794477505573, -12028579019536, -50780206473220 ]
[ "sign", "easy" ]
A132256
[ 89, 211, 331, 359, 389, 449, 479, 509, 541, 631, 691, 719, 751, 839, 929, 991, 1109, 1171, 1201, 1259, 1381, 1409, 1439, 1471, 1499, 1531, 1559, 1709, 1741, 1801, 1831, 1861, 1889, 1979, 2011, 2039, 2069, 2099, 2161, 2221, 2251, 2281 ]
[ "easy", "nonn" ]
A032003
[ 1, 1, 3, 23, 47, 379, 6149, 16981, 93127, 1007987, 34683269, 104143225, 684506305, 4481690797, 73052215235, 4537008191795, 15552690624695, 110042979640819, 751697531996549, 7064674535403145, 149891090186986530, 15977133591670366000, 61330039793632560000 ]
[ "nonn" ]
A052207
[ 0, 0, 0, 0, 0, 8, 16, 40, 80, 168, 336, 672, 1344, 2640, 5280, 10296, 20592, 40040, 80080, 155584, 311168, 604656, 1209312, 2351440, 4702880, 9152528, 18305056, 35659200, 71318400, 139070880, 278141760, 542911320, 1085822640, 2121460200, 4242920400, 8297266560 ]
[ "nonn" ]
A378413
[ 2, 1, 6, 4, 1, 9, 20, 15, 6, 1, 4, 24, 62, 56, 28, 8, 1, 10, 85, 192, 200, 120, 45, 10, 1, 51, 288, 618, 696, 483, 220, 66, 12, 1, 14, 210, 966, 2018, 2408, 1862, 987, 364, 91, 14, 1, 4, 80, 824, 3248, 6646, 8304, 6992, 4176, 1804, 560, 120, 16, 1, 18, 405 ]
[ "nonn", "tabf" ]
A379971
[ 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ]
[ "nonn" ]
A129349
[ 0, 2, 32, 6432, 19497984, 1109403156480, 1380937534541660200 ]
[ "nonn", "more" ]
A250253
[ 1, 2, 3, 5, 7, 13, 20, 35, 55, 95, 149, 259, 408, 707, 1115, 1931, 3045, 5276, 8321, 14416, 22737, 39391, 62128, 107634, 169762, 294105, 463867, 803628, 1267494, 2195877, 3463371, 6000134, 9463505, 16395094 ]
[ "nonn", "more" ]
A387308
[ 1, 20, 270, 3100, 32711, 328440, 3195276, 30433800, 285604605, 2651696300, 24425110138, 223636254660, 2038173128355, 18508562948400, 167596683043032, 1514149108652880, 13654464563944376, 122951462526317700, 1105768912324277600, 9934852156019798000, 89186900539764800000 ]
[ "nonn" ]
A072390
[ 2, 14, 26, 170, 182, 338, 2198, 2210, 2366, 4394, 28562, 28574, 28730, 30758, 57122, 371294, 371306, 371462, 373490, 399854, 742586, 4826810, 4826822, 4826978, 4829006, 4855370, 5198102, 9653618, 62748518, 62748530, 62748686, 62750714, 62777078, 63119810, 67575326, 125497034 ]
[ "easy", "nonn", "tabl" ]
A091466
[ 1, 2, 2, 0, 14, 0, 0, 36, 36, 0, 0, 24, 336, 24, 0, 0, 0, 1296, 1296, 0, 0, 0, 0, 2160, 14832, 2160, 0, 0, 0, 0, 1440, 80640, 80640, 1440, 0, 0, 0, 0, 0, 233280, 1082880, 233280, 0, 0, 0, 0, 0, 0, 362880, 7776000, 7776000, 362880, 0, 0, 0, 0, 0, 0, 241920, 33264000 ]
[ "nonn", "tabl" ]
A136473
[ 1, 3, 171, 13203, 97641, 354537, 2354697, 10970073, 29884473, 33894369, 38265939, 74214171, 116226009, 344380329, 751611177, 892145817, 2595432537, 4014314433, 10161972027, 11852199369, 13229694441, 22032887841, 22230967347, 22864359897, 24020090001, 26761542921, 27439598619, 27932906619, 37498011939, 166111451217, 189836046171 ]
[ "nonn" ]
A234353
[ 8, 140, 1290, 7374, 32477, 116420, 358112, 976063, 2425756, 5560046, 11946923, 24274195, 46975815, 87140153 ]
[ "nonn", "more" ]
A175971
[ 16, 16, 144, 400, 144, 784, 1296, 400, 1936, 2704, 784, 3600, 4624, 1296, 5776, 7056, 1936, 8464, 10000, 2704, 11664, 13456, 3600, 15376, 17424, 4624, 19600, 21904, 5776, 24336, 26896, 7056, 29584, 32400, 8464, 35344, 38416, 10000, 41616, 44944, 11664, 48400, 51984, 13456, 55696 ]
[ "nonn", "less" ]
A133166
[ 0, 0, 0, 1, 0, 1, 0, 2, 1, 6, 3, 30, 38, 290, 806, 5460, 23164, 157533, 877106 ]
[ "nonn", "more" ]
A339894
[ 0, 1, 2, 1, 3, 2, 4, 2, 3, 3, 5, 3, 6, 4, 4, 2, 7, 3, 8, 4, 5, 5, 9, 3, 4, 6, 4, 5, 10, 4, 11, 3, 6, 7, 5, 4, 12, 8, 7, 4, 13, 5, 14, 6, 5, 9, 15, 4, 6, 5, 8, 7, 16, 5, 6, 5, 9, 10, 17, 5, 18, 11, 6, 3, 7, 6, 19, 8, 10, 6, 20, 5, 21, 12, 6, 9, 7, 7, 22, 5, 5, 13, 23, 6, 8, 14, 11, 6, 24, 6, 8, 10, 12, 15, 9, 4, 25 ]
[ "nonn" ]
A032548
[ 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, 1, 1, 1, 1, 1, 1, 1, 2, 2, 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, 1, 1, 1, 1, 1, 2, 2 ]
[ "nonn", "easy", "base" ]
A172616
[ 1, 842090474940, 9.561215418596023e+27, 4.149927592183744e+46, 1.5806556884633734e+67 ]
[ "nonn" ]
A227105
[ 2, 6, 30, 1155, 15015, 969969, 37182145, 1078282205, 33426748355, 7244053893505, 311494317420715, 14640232918773604, 775932344695001100, 64092011671807090000, 3.9096127119802326e+21, 2.619440517026756e+23, 1.8598027670889965e+25, 1.3576560199749675e+27 ]
[ "nonn" ]
A147724
[ 1, 1, 1, 4, 5, 1, 25, 33, 9, 1, 172, 238, 78, 13, 1, 1201, 1745, 667, 139, 17, 1, 8404, 12807, 5583, 1376, 216, 21, 1, 58825, 93841, 45822, 12950, 2429, 309, 25, 1, 411772, 686288, 370108, 117458, 25366, 3890, 418, 29, 1, 2882401, 5009889, 2951034, 1035834, 251583, 44607, 5823, 543, 33, 1 ]
[ "easy", "nonn", "tabl" ]
A082156
[ 1, 4, 2, 9, 6, 3, 16, 12, 8, 5, 25, 20, 15, 11, 7, 36, 30, 24, 19, 14, 10, 49, 42, 35, 29, 23, 18, 13, 64, 56, 48, 41, 34, 28, 22, 17, 81, 72, 63, 55, 47, 40, 33, 27, 21, 100, 90, 80, 71, 62, 54, 46, 39, 32, 26, 121, 110, 99, 89, 79, 70, 61, 53, 45, 38, 31, 144, 132, 120, 109 ]
[ "nonn", "tabl" ]
A266045
[ 48, 6440, 1477440, 456791920, 161738440488, 62114577825696, 25198494781622390, 10640118954220876000 ]
[ "nonn" ]
A104955
[ 2, 3, 7, 7, 6, 4, 1, 2, 9, 0, 7, 3, 7, 8, 8, 3, 9, 3, 0, 2, 9, 1, 0, 9, 8, 3, 3, 3, 4, 4, 8, 4, 5, 5, 3, 5, 8, 5, 1, 4, 2, 4, 6, 5, 8, 5, 3, 1, 4, 3, 7, 5, 5, 5, 6, 1, 1, 8, 2, 6, 4, 1, 1, 1, 0, 7, 5, 3, 8, 2, 9, 2, 5, 2, 1, 2, 9, 8, 3, 7, 5, 4, 2, 9, 6, 9, 8, 2, 0, 2, 7, 4, 2, 7, 0, 2, 8, 4, 5, 4, 1, 8, 9, 7, 4 ]
[ "nonn", "cons" ]
A291904
[ 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 2, 1, 0, 0, 2, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 3, 2, 0, 0, 3, 2, 1, 1, 1, 0, 2, 3, 2, 1, 0, 0, 3, 4, 3, 1, 0, 0, 4, 4, 3, 2, 1, 0, 4, 6, 4, 2, 0, 0, 6, 7 ]
[ "nonn", "tabf" ]
A261214
[ 1, -3, 0, -4, -33, -283, -2785, -31291, -395360, -5544754, -85427259, -1433955817, -26046643595, -509070113635, -10653941722236, -237754202827284, -5636787946661521, -141514316248243500, -3751121064314067500, -104704135027419860000, -3.0701763567769905e+21 ]
[ "sign" ]
A089764
[ 11, 61, 241, 1201, 2.5852016738884977e+23, 2.6313083693369352e+36, 2.0397882081197442e+47, 5.075802138772248e+84 ]
[ "base", "nonn" ]
A141503
[ 1, 2, 3, 35, 85, 5529, 17421, 6468501, 30238457, 64377477751, 410142991045, 5056537169718019, 45365538098494220, 3.235038360513129e+21, 4.025461475951633e+22, 1.663127910385927e+28 ]
[ "nonn" ]
A098265
[ 1, 1, 13, 37, 289, 1201, 7741, 38053, 227137, 1207009, 6995053, 38591653, 221446369, 1245188881, 7130897437, 40516456357, 232260610177, 1327920945601, 7627285093069, 43787832627493, 252042452907169, 1451244932278129, 8370001674641917, 48303478743113896, 279083099450496960 ]
[ "easy", "nonn" ]
A039328
[ 41, 47, 90, 96, 139, 145, 188, 194, 237, 243, 251, 258, 265, 272, 279, 287, 288, 289, 290, 291, 299, 306, 313, 320, 327, 329, 330, 331, 332, 333, 384, 390, 433, 439, 482, 488, 531, 537, 580, 586, 594, 601, 608, 615, 622, 630, 631, 632, 633, 634, 642, 649 ]
[ "nonn", "base", "easy" ]
A209903
[ 1, 1, 4, 17, 111, 752, 6893, 64171, 733540, 8751579, 119847295, 1716294780, 27583937857, 460405876777, 8428298492136, 160944930254405, 3309210789416387, 70814345769448450, 1617322515279759400, 38322855872232740000, 960820910852189300000 ]
[ "nonn" ]
A223273
[ 1296, 82944, 27951104, 6467616768, 1771674009600, 450204914417664, 118579442837618690, 30710179999458000000, 8.018710224241441e+21, 2.0855649100609856e+24, 5.434630006918777e+26 ]
[ "nonn" ]
A170932
[ 1, 63, 2205, 56595, 1188495, 21630609, 353299947, 5299499205, 74192988870, 980996186170, 12360551945742, 149450309889426, 1743586948709970, 19715944727720430, 216875392004924740, 2327795874186192000, 24441856678955016000, 251607348165713400000 ]
[ "nonn", "easy" ]
A367527
[ 1, 7, 144, 16704, 8396800, 17180459008, 140737555464192, 4611686036680999000, 6.044629098161107e+23, 3.1691265005706664e+29, 6.64613997892458e+35, 5.575186299632656e+42, 1.8707220957835557e+50 ]
[ "nonn" ]
A184123
[ 20, 561, 14178, 276427, 4249486, 53817407, 581588614, 5503143135, 46473256070, 355407459056, 2489794107266, 16126296889260, 97309331427298, 550557601317077, 2936599872342895, 14836021866212492, 71284139688101544 ]
[ "nonn" ]
A178091
[ 157, 179, 337, 359, 733, 751, 953, 971, 1097, 1237, 1259, 1381, 1439, 1453, 1471, 1583, 1619, 1723, 1741, 1831, 3019, 3109, 3163, 3257, 3271, 3343, 3347, 3433, 3527, 3541, 3613, 3851, 7253, 7321, 7433, 7523, 7699, 7879, 7901, 9013, 9103, 9161, 9341, 9521, 9679, 9769, 9787, 9967 ]
[ "nonn", "base" ]
A119355
[ 1, 2, 1, 3, 5, 1, 4, 7, 8, 1, 5, 9, 16, 11, 1, 6, 11, 20, 30, 14, 1, 7, 13, 24, 44, 49, 17, 1, 8, 15, 28, 52, 88, 73, 20, 1, 9, 17, 32, 60, 112, 159, 102, 23, 1, 10, 19, 36, 68, 128, 230, 264, 136, 26, 1, 11, 21, 40, 76, 144, 272, 441, 410, 175, 29, 1 ]
[ "nonn", "tabl" ]
A274071
[ 6, 20, 87, 304, 1398, 3582, 9218, 18270, 34873, 70451 ]
[ "nonn", "more" ]
A011971
[ 1, 1, 2, 2, 3, 5, 5, 7, 10, 15, 15, 20, 27, 37, 52, 52, 67, 87, 114, 151, 203, 203, 255, 322, 409, 523, 674, 877, 877, 1080, 1335, 1657, 2066, 2589, 3263, 4140, 4140, 5017, 6097, 7432, 9089, 11155, 13744, 17007, 21147, 21147, 25287, 30304, 36401, 43833, 52922, 64077, 77821, 94828, 115975 ]
[ "tabl", "nonn", "easy", "nice" ]
A112336
[ 1, 2, 2, 6, 4, 4, 20, 12, 8, 8, 70, 40, 24, 16, 16, 252, 140, 80, 48, 32, 32, 924, 504, 280, 160, 96, 64, 64, 3432, 1848, 1008, 560, 320, 192, 128, 128, 12870, 6864, 3696, 2016, 1120, 640, 384, 256, 256, 48620, 25740, 13728, 7392, 4032, 2240, 1280, 768, 512, 512 ]
[ "easy", "nonn", "tabl" ]
A143429
[ 7, 7, 13, 13, 13, 13, 13, 31, 31, 19, 31, 7, 19, 7, 43, 7, 7, 13, 13, 7, 13, 61, 43, 7, 31, 37, 37, 13, 151, 19, 13, 13, 7, 67, 13, 7, 19, 13, 7, 13, 43, 73, 43, 19, 13, 67, 43, 13, 13, 7, 7, 13, 31, 73, 19, 7, 31, 43, 31, 67, 7, 31, 37, 13, 31, 7, 37, 7, 103, 43, 13, 13, 19, 13, 43, 7 ]
[ "nonn" ]
A274454
[ 2, 5, 10, 12, 24, 29, 58, 60, 70, 120, 140, 145, 169, 290, 338, 348, 350, 408, 696, 700, 816, 840, 845, 985, 1680, 1690, 1740, 1970, 2028, 2030, 2040, 2378, 3480, 4056, 4060, 4080, 4200, 4756, 4896, 4901, 4925, 5741, 8400, 9792, 9802, 9850, 10140, 10150 ]
[ "nonn", "easy" ]
A326732
[ 0, 1, 1, 2, 1, 4, 2, 3, 1, 6, 4, 7, 2, 5, 3, 4, 1, 8, 6, 11, 4, 9, 7, 10, 2, 7, 5, 8, 3, 6, 4, 5, 1, 10, 8, 15, 6, 13, 11, 16, 4, 11, 9, 14, 7, 12, 10, 13, 2, 9, 7, 12, 5, 10, 8, 11, 3, 8, 6, 9, 4, 7, 5, 6, 1, 12, 10, 19, 8, 17, 15, 22, 6, 15, 13, 20, 11, 18, 16, 21, 4, 13, 11, 18, 9, 16, 14, 19, 7, 14, 12, 17, 10, 15, 13, 16, 2, 11, 9, 16, 7 ]
[ "base", "nonn" ]
A282989
[ 208291, 958333, 2239723, 5203453, 5437951, 6677623, 6954421, 9232843, 13078531, 13142011, 15345763, 17670481, 20282551, 21415321, 23547283, 23694883, 25262623, 25550113, 26642491, 27425521, 29851993, 30327421 ]
[ "nonn" ]
A218670
[ 1, 1, 2, 7, 26, 116, 556, 2927, 16388, 97666, 612136, 4023878, 27579410, 196537134, 1451102836, 11074811191, 87160086800, 706055915318, 5876662642720, 50182337830986, 439036984440316, 3930618736372336, 35970734643745496, 336153100655220100, 3205000520319374300 ]
[ "nonn" ]
A108819
[ 223, 829, 822229, 22222223, 822222229, 22222222223, 62222222222227, 822222222222229, 2.2222222222222223e+35, 8.222222222222223e+55 ]
[ "easy", "nonn", "base" ]
A161534
[ 255763, 604441, 651361, 884497, 913063, 1065133, 1320211, 1526191, 2130133, 2376721, 2907727, 2911933, 2974891, 3190597, 3603583, 3690151, 3707497, 3962941, 4209643, 4245643, 4706101, 5057671, 5155567, 5223187, 5260711, 5321191, 5325571, 5410627 ]
[ "nonn" ]
A231488
[ 1, 1, 7, 221, 24243 ]
[ "nonn", "more" ]
A018950
[ 1, 14, 34, 269, 1202, 7994, 46169, 303556, 1940569, 12977533, 87080228, 597278594, 4140573533, 29113967540, 206824647665 ]
[ "nonn", "more" ]
A130266
[ 1, 1, 2, 4, 1, 3, 2, 5, 1, 4, 7, 2, 6, 1, 5, 3, 8, 2, 7, 1, 6, 10, 3, 9, 2, 8, 1, 7, 4, 11, 3, 10, 2, 9, 1, 8, 13, 4, 12, 3, 11, 2, 10, 1, 9, 5, 14, 4, 13, 3, 12, 2, 11, 1, 10, 16, 5, 15, 4, 14, 3, 13, 2, 12, 1, 11, 6, 17, 5, 16, 4, 15, 3, 14, 2, 13 ]
[ "nonn", "tabl", "easy" ]
A028319
[ 1, 5, 7, 19, 9, 27, 65, 11, 101, 57, 147, 231, 13, 69, 273, 15, 355, 855, 111, 451, 2277, 17, 127, 1661, 3487, 5379, 689, 2223, 11583, 833, 7371, 20449, 181, 995, 3745, 10283, 21385, 34463, 43615, 21, 201, 1377, 23, 1599, 7293, 267, 1843, 31977, 25 ]
[ "nonn" ]
A176215
[ 4, 1, 9, 0, 8, 9, 0, 2, 3, 0, 0, 2, 0, 6, 6, 4, 4, 5, 3, 8, 2, 7, 8, 7, 9, 1, 3, 1, 2, 0, 3, 2, 0, 8, 5, 3, 5, 8, 1, 0, 9, 7, 8, 7, 7, 9, 9, 9, 1, 9, 3, 3, 0, 1, 6, 9, 0, 7, 5, 7, 7, 7, 9, 8, 9, 2, 9, 9, 7, 3, 1, 0, 8, 4, 9, 0, 8, 9, 0, 9, 3, 5, 2, 0, 3, 4, 3, 3, 7, 4, 4, 6, 5, 5, 4, 8, 2, 5, 0, 3, 0, 5, 8, 9, 0 ]
[ "cons", "easy", "nonn" ]
A376593
[ -3, 2, 1, -2, 0, 2, -3, 1, -1, 3, 0, 0, 0, -3, 2, -2, 0, 1, 0, 0, 2, -1, -2, 3, 0, -1, -2, 3, -3, 2, 1, -2, 0, 2, -2, -1, 0, 3, 0, 0, 0, -3, 2, -2, 2, -2, 0, 1, 2, -1, -2, 3, 0, -1, -2, 1, 0, -1, 2, 1, -2, 0, 2, -3, 1, -1, 2, -2, 3, 0, 0, -3, 2, 1, -2, 0, 2 ]
[ "sign" ]
A031862
[ 11551, 12601, 13399, 14254, 14284, 14323, 14779, 15331, 16108, 17029, 17044, 17254, 17281, 18001, 18841, 19237, 19324, 19531, 19801, 19969, 19993, 20431, 20701, 20929, 21382, 21859, 21916, 22309, 22702, 22756, 23371, 24007, 24799, 25849, 26833, 27814 ]
[ "nonn" ]
A136010
[ 20, 9, 243, 1782, 14661, 118665, 962604, 7806213, 63306927, 513404406, 4163593185, 33765791949, 273832882308, 2220722303697, 18009552066651, 146053365199830, 1184459524998669, 9605696961789152, 77900014457512100 ]
[ "nonn", "easy" ]
A197053
[ 7, 26, 156, 692, 3580, 17742, 88056, 439338, 2192602, 10912392, 54394628, 271160024, 1351103246, 6733077562, 33557756016, 167232569172, 833404135538, 4153405692526, 20698773896328, 103153449929238, 514074952403758 ]
[ "nonn" ]
A119045
[ 1, 10, 1081, 8001, 10011, 81810, 108811, 1188111, 8018010, 8801110, 10888111, 80118811, 88000011, 800180010, 881811010, 1088881111, 10808101800, 80001800010, 81108010180, 108888811111, 810008010801, 880818181011, 888000000111, 8000018000010, 10888888111111 ]
[ "nonn", "base" ]
A191430
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 13, 17, 18, 21, 22, 19, 16, 25, 26, 31, 32, 28, 24, 20, 36, 38, 45, 46, 41, 35, 29, 23, 52, 55, 65, 66, 59, 50, 42, 34, 27, 75, 79, 93, 94, 84, 72, 60, 49, 39, 30, 107, 113, 133, 134, 120, 103, 86, 70, 56, 43, 33, 152, 161, 189, 191, 171, 147, 123, 100, 80, 62, 48, 37 ]
[ "nonn", "tabl" ]
A368851
[ 1, 6, 108, 12630, 30263484, 27712501015350, 7.560818318577146e+24, 4.692907092943769e+47 ]
[ "nonn" ]
A351001
[ 0, 1, 2, 6, 4, 5, 3, 10, 26, 8, 12, 14, 13, 9, 11, 15, 16, 62, 18, 20, 19, 21, 22, 86, 24, 25, 7, 28, 30, 29, 118, 27, 35, 31, 32, 33, 39, 34, 146, 36, 38, 37, 40, 42, 41, 166, 23, 45, 17, 44, 122, 46, 48, 47, 50, 194, 52, 51, 206, 514, 54, 56, 55, 57, 49, 53, 58, 60, 59, 63, 61, 64 ]
[ "nonn" ]
A303720
[ 1, 8, 23, 84, 219, 569, 1476, 3614, 8730, 20886, 49351, 114833, 265877, 610405, 1396025, 3172297, 7195606, 16230944, 36563883, 82008735, 183813328, 410490052 ]
[ "nonn" ]
A166033
[ 1, 21, 12, 32, 23, 43, 34, 54, 45, 65, 56, 76, 67, 87, 78, 98, 89, 109, 100, 120, 111, 131, 122, 142, 133, 153, 144, 164, 155, 175, 166, 186, 177, 197, 188, 208, 199, 219, 210, 230, 221, 241, 232, 252, 243, 263, 254, 274, 265, 285, 276, 296, 287, 307, 298, 318 ]
[ "nonn", "easy" ]
A047827
[ 13682, 18002, 19137, 22934, 24014, 24787, 27364, 27849, 30062, 30993, 32577, 33477, 35410, 35798, 36004, 36398, 36706, 39206, 43333, 43917, 44493, 45219, 45734, 45868, 46142, 46405, 48028, 49546, 50642, 51295, 52413, 53283, 54728 ]
[ "nonn" ]
A204120
[ 3, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn", "tabl" ]
A145842
[ 7, 23, 79, 269, 839, 2477, 7477, 22397, 66533, 197453, 592393, 1772033, 5317217, 15955019, 47860361, 143540597, 430579631, 1291494329, 3874347863, 11622575663, 34869569509, 104608356781, 313820413861, 941454837811, 2824364840663, 8473084264373, 25419236780191, 76257724291547 ]
[ "nonn" ]
A056151
[ 1, 1, 1, 1, 3, 2, 1, 7, 10, 6, 1, 15, 38, 42, 24, 1, 31, 130, 222, 216, 120, 1, 63, 422, 1050, 1464, 1320, 720, 1, 127, 1330, 4686, 8856, 10920, 9360, 5040, 1, 255, 4118, 20202, 50424, 80520, 91440, 75600, 40320, 1, 511, 12610, 85182, 276696, 558120, 795600, 851760, 685440, 362880 ]
[ "nonn", "tabl", "easy" ]
A034938
[ 13, 37, 61, 97, 109, 181, 229, 277, 337, 349, 397, 457, 541, 709, 769, 937, 1009, 1021, 1117, 1129, 1201, 1237, 1297, 1321, 1489, 1549, 1597, 1621, 1657, 1777, 1861, 2029, 2221, 2377, 2389, 2437, 2521, 2557, 2617, 2749, 2857, 3001, 3049 ]
[ "nonn", "easy" ]
A052979
[ 1, 2, 6, 18, 52, 154, 452, 1330, 3912, 11506, 33844, 99546, 292800, 861226, 2533164, 7450914, 21915720, 64461730, 189604292, 557691946, 1640365328, 4824883034, 14191653468, 41742572146, 122779374040, 361136698450, 1062228212084 ]
[ "easy", "nonn" ]
A373882
[ 9, 569, 49689, 4937225, 493490641, 49348095737, 4934805110729, 493480252693889, 49348022079085896, 4934802199975705000, 493480220066583600000, 4.934802200555231e+22, 4.934802200546834e+24, 4.934802200544893e+26, 4.93480220054468e+28, 4.934802200544679e+30 ]
[ "nonn" ]
A314340
[ 1, 5, 7, 14, 16, 21, 26, 27, 36, 37, 39, 50, 48, 55, 60, 59, 72, 69, 71, 86, 80, 89, 94, 91, 108, 101, 103, 122, 112, 123, 128, 123, 144, 133, 135, 158, 144, 157, 162, 155, 180, 165, 167, 194, 176, 191, 196, 187, 216, 197 ]
[ "nonn" ]
A099602
[ 1, 1, 1, 1, 2, 1, 2, 5, 4, 1, 1, 5, 8, 5, 1, 3, 13, 22, 18, 7, 1, 1, 9, 26, 35, 24, 8, 1, 4, 26, 70, 101, 84, 40, 10, 1, 1, 14, 61, 131, 160, 116, 49, 11, 1, 5, 45, 171, 363, 476, 400, 215, 71, 13, 1, 1, 20, 120, 363, 654, 752, 565, 275, 83, 14, 1, 6, 71, 356, 1017, 1856, 2282, 1932 ]
[ "nonn", "tabl" ]
A082969
[ 2, 10, 18, 34, 58, 66, 90, 106, 114, 130, 154, 170, 178, 202, 210, 226, 250, 258, 282, 298, 306, 330, 338, 354, 378, 394, 402, 418, 442, 450, 474, 490, 498, 514, 538, 554, 562, 586, 594, 610, 634, 650, 658, 674, 698, 706, 730, 746, 754, 778, 786, 802, 826 ]
[ "nonn" ]
A262297
[ 1, 6, 17, 44, 97, 208, 429, 884, 1814 ]
[ "nonn", "more" ]
A277338
[ 295, 887, 1675, 7436, 13783, 52514, 94039, 187088, 1067869, 10755470, 18211171, 35322452, 60744805, 111589511, 227574622, 454050344, 897100798, 1794102596, 8746117567, 16403234045, 70446464506, 130992928913, 450822227944, 900544455998, 1800098901007, 8801197801088, 17602285712176, 84724043932847, 159547977975595 ]
[ "nonn", "base" ]
A148549
[ 1, 1, 3, 5, 21, 44, 179, 405, 1863, 4574, 20253, 51083, 242478, 638910, 2935563, 7830889, 37719955, 103473882, 485025311, 1338989811, 6504657404, 18317722002, 86944436845, 245672670625, 1200013129349, 3442388805084, 16479191579014, 47355255312875, 232190760680298, 675289949920232, 3252682484365329 ]
[ "nonn", "walk" ]
A304116
[ 2, 4, 7, 10, 13, 16, 19, 22, 27, 29, 34, 37, 40, 43, 46, 51, 53, 58, 61, 64, 67, 70, 75, 77, 82, 85, 88, 91, 94, 99, 101, 106, 109, 112, 115, 118, 129, 131, 135, 137, 141, 143, 154, 157, 160, 163, 166, 171, 173, 178, 181, 184, 187, 190, 195, 197, 202, 205, 208, 211, 214 ]
[ "nonn" ]
A237498
[ 1, 1, 1, 2, -1, 1, 3, 4, -3, 1, 5, -5, 10, -5, 1, 8, 15, -25, 20, -7, 1, 13, -22, 65, -65, 34, -9, 1, 21, 57, -152, 195, -133, 52, -11, 1, 34, -93, 361, -542, 461, -237, 74, -13, 1, 55, 220, -815, 1445, -1464, 935, -385, 100, -15, 1, 89, -385, 1850, -3705 ]
[ "easy", "sign", "tabl" ]
A186973
[ 1, 2, 4, 4, 12, 4, 28, 16, 32, 12, 116, 16, 248, 48, 72, 112, 728, 64, 1520, 192, 384, 256, 3872, 256, 3168, 736, 2752, 832, 15488, 256, 31232, 7424, 6272, 4096, 9600, 1792, 91648, 9344, 16000, 5632, 214272, 3072, 431616, 37376, 38912, 43008, 982528 ]
[ "nonn" ]
A338018
[ 3, 5, 11, 13, 17, 19, 29, 31, 37, 41, 43, 47, 53, 59, 71, 73, 79, 89, 97, 101, 103, 113, 131, 137, 139, 149, 151, 157, 173, 179, 191, 193, 197, 199, 229, 233, 257, 281, 311, 313, 317, 331, 337, 347, 349, 353, 359, 373, 379, 397, 419, 431, 433, 439, 443, 449, 457, 479, 491, 499, 503, 541, 547, 557 ]
[ "nonn", "base", "look" ]
A373970
[ 1, 9, 25, 121, 784, 1024, 5041, 363609, 542939080336, 160351569000000, 51312167754301440000, 65249379457597440000, 449519240612413440000, 957230928468541400000, 4.797276365676433e+21, 1.6367773504928806e+22, 3.080903034288277e+23 ]
[ "nonn", "more" ]
A094278
[ 1, 6, 120, 5040, 720720, 1396755360, 1606268664000, 17328426347232000, 26287222768750944000, 5.206394767133275e+24, 1.4652356793143175e+29, 1.7007107748655628e+35 ]
[ "nonn", "easy", "less" ]
A003892
[ 1, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 32, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33 ]
[ "nonn", "fini", "full" ]
A165622
[ 1, 4, -8, 40, -152, 616, -2456, 9832, -39320, 157288, -629144, 2516584, -10066328, 40265320, -161061272, 644245096, -2576980376, 10307921512, -41231686040, 164926744168, -659706976664, 2638827906664, -10555311626648, 42221246506600, -168884986026392 ]
[ "easy", "sign" ]
A059882
[ 1, 0, 1, 1, 0, 1, 2, 0, 0, 1, 2, 1, 0, 0, 1, 4, 2, 0, 0, 0, 1, 6, 3, 1, 0, 0, 0, 1, 9, 4, 2, 0, 0, 0, 0, 1, 14, 7, 3, 1, 0, 0, 0, 0, 1, 23, 10, 5, 2, 0, 0, 0, 0, 0, 1, 35, 17, 7, 3, 1, 0, 0, 0, 0, 0, 1, 55, 26, 11, 5, 2, 0, 0, 0, 0, 0, 0, 1, 87, 41, 17, 8, 3, 1, 0, 0, 0, 0, 0, 0, 1, 136, 64, 28, 11, 5, 2 ]
[ "nonn", "tabl" ]
A053856
[ 1, 16, 316, 69616, 21999616, 74351051776, 374910580965376, 20054412250260177000, 1.6165923308967384e+24, 1.379799701868277e+30, 1.779219416300608e+36 ]
[ "nonn" ]
A108496
[ 0, 0, 209430786243, 7815642080822311000, 1.8421726775080063e+24, 2.7068294695622864e+28, 6.874711477119634e+31, 5.199558038075706e+34 ]
[ "nonn" ]
A354620
[ 1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 24, 32, 33, 36, 44, 48, 64, 96, 128, 132, 144, 176, 192, 256, 384, 512, 528, 576, 704, 768, 1024, 1536, 2048, 2112, 2304, 2816, 3072, 4096, 6144, 8192, 8448, 9216, 11264, 12288, 16384, 24576, 32768, 33792, 36864, 45056, 49152, 65536, 98304, 131072, 135168, 147456 ]
[ "nonn" ]