id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A203090
[ 25384, 169561, 1110338, 8108104, 58260775, 411159715, 2942039652, 21001045294, 149307714269, 1063928895151, 7580777433365, 53974528946958, 384438447373736, 2738313728520726, 19501965156958736, 138898967881687740 ]
[ "nonn" ]
A349011
[ 1, 1, 5, 17, 105, 433, 2925, 13185, 93425, 443009, 3233205, 15840209, 117950745, 591187953, 4466545245, 22766535297, 173906505825, 897941153665, 6918379345125, 36089242700049, 279988660639305, 1472715584804529, 11490841104036044, 60857608450349310, 477104721264920100 ...
[ "nonn" ]
A324005
[ 1, 5, 10, 25, 331, 45, 2243, 1045, 7501, 2669, 19301, 8923, 332514803, 113561159, 6527611, 220907, 31992967, 8808901, 3810944197, 2555998859, 1164206867707, 389558724647, 22468207750333, 2896489667, 53110359005960370, 10978969028303 ]
[ "nonn", "frac" ]
A216823
[ 2, 3, 5, 7, 11, 13, 17, 23, 31, 41, 43, 59, 71, 103, 163, 1381, 1831, 3041, 4447, 47057, 47059, 47137, 61559, 67213, 138683, 713863, 775807, 2861051, 28282147, 29133437, 2259696349, 3892535183, 110725121051, 1456230512169437 ]
[ "nonn", "fini", "full" ]
A015162
[ 1, 0, 1326, 31552, 240618, 1452480, 5030028, 18128256, 43527174, 119299200, 232127928, 537564480, 910537442, 1881950592, 2894860164, 5501926784, 7880557842, 14072683776, 19054928890, 32409323328, 42013951980, 68622996416, 85866810348, 135824277120, 164834073388, 253...
[ "nonn" ]
A346658
[ 1, 1, 1, 3, 7, 27, 94, 425, 2100, 12252, 79865, 576220, 4532457, 38657929, 354600915, 3485914368, 36545825768, 407149542540 ]
[ "more", "nonn" ]
A176747
[ 0, 1, 3, 5, 6, 10, 14, 15, 21, 23, 28, 32, 36, 40, 45, 52, 55, 66, 74, 78, 82, 86, 91, 105, 113, 117, 120, 124, 136, 153, 155, 166, 171, 184, 190, 197, 201, 209, 210, 217, 228, 231, 247, 253, 276, 278, 300, 311, 325, 3...
[ "nonn" ]
A154049
[ 2002, 12641, 36620, 59041, 74474, 98432, 43074, 22005, 15011, 19336, 14149, 14176, 14149, 19306, 14149, 14176, 14149, 19306, 14149, 14176, 14149, 19306, 14149, 14176, 14149, 19306, 14149, 14176, 14149, 19306, 14149, 14176, 14149, 19306, 14149, 14...
[ "nonn" ]
A185905
[ 1, 5, 5, 15, 25, 15, 35, 75, 75, 35, 70, 175, 225, 175, 70, 126, 350, 525, 525, 350, 126, 210, 630, 1050, 1225, 1050, 630, 210, 330, 1050, 1890, 2450, 2450, 1890, 1050, 330, 495, 1650, 3150, 4410, 4900, 4410, 3150, 1650, 495, ...
[ "nonn", "tabl" ]
A367684
[ 1, 1, 2, 2, 4, 5, 8, 10, 14, 17, 25, 30, 39, 51, 66, 79, 102, 125, 154, 191, 233, 284, 347, 420, 499, 614, 726, 867, 1031, 1233, 1437, 1726, 2002, 2375, 2770, 3271, 3760, 4455, 5123, 5994, 6904, 8064, 9199, 10753, 12241, 14202...
[ "nonn" ]
A055609
[ 1, 5, 17, 42, 91, 180, 328, 565, 930, 1470, 2248, 3344, 4849, 6881, 9579, 13104, 17649, 23442, 30736, 39833, 51074, 64842, 81574, 101766, 125959, 154771, 188883, 229044, 276085, 330926, 394558, 468083, 552696, 649692, 760482, 886602, 1029691, ...
[ "easy", "nonn" ]
A361920
[ 1, 1, 2, 5, 16, 61, 280, 1501, 9394, 68647, 591570, 6108298, 77162708, 1219779207, 24648006828, 647865966973, 22437052221282, 1032905858402302, 63591727342096160, 5258562027225786000, 586001891321599360000, 8.824128144960582e+22, 1.7996565026907866e+25 ]
[ "nonn" ]
A236899
[ 30727, 3782769, 316943905, 35006442815, 3548382361732, 374851777555351, 39026304065867940, 4089250348921243000, 427454071475834200000, 4.472781049096113e+22, 4.678382472145076e+24 ]
[ "nonn" ]
A299938
[ 1, 8, 70, 649, 8379, 124748, 2237911, 57942564, 2226744922, 121611666154, 12022143900385 ]
[ "nonn" ]
A331770
[ 1008, 21168, 127008, 465696, 1297296, 3027024, 6237504, 11721024, 20511792, 33918192, 53555040, 81375840, 119705040, 171270288, 239234688, 327229056, 439384176, 580363056, 755393184, 970298784, 1231533072, 1546210512, 1922139072, 2367852480, 2892642480, 3506591088, ...
[ "nonn", "easy", "changed" ]
A285886
[ 5, 7, 13, 17, 31, 37, 97, 127, 257, 881, 4651, 8191, 65537, 131071, 524287, 1273609, 2147483647, 2305843009213694000, 6.189700196426902e+26, 3.512911982806777e+30, 1.6225927682921336e+32, 1.7014118346046923e+38 ]
[ "nonn" ]
A146185
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 17, 17, 43, 43, 197, 197, 1293, 1293, 11263, 11263, 110807, 110807, 1310257 ]
[ "nonn" ]
A224217
[ 4, 10, 34, 46, 70, 76, 94, 112, 124, 160, 166, 196, 202, 244, 256, 292, 334, 340, 370, 412, 430, 454, 460, 490, 502, 514, 532, 550, 574, 586, 592, 622, 664, 712, 724, 754, 766, 784, 790, 796, 802, 832, 850, 874, 886, 916, 95...
[ "nonn" ]
A201624
[ 40, 6654, 1877283, 891142897, 464328365996, 242036871702096 ]
[ "nonn" ]
A189841
[ 1, 2, 6, 24, 120, 672, 4128, 28992, 231936, 2088960, 20017152, 207208704, 2326900992, 28338241536, 373152276480, 5206300028928 ]
[ "nonn", "hard" ]
A352615
[ 2, 0, 7, 7, 6, 8, 1, 4, 6, 0, 0, 2, 8, 1, 5, 8, 2, 0, 5, 7, 8, 3, 1, 2, 0, 5, 5, 6, 7, 8, 5, 5, 2, 9, 0, 1, 2, 8, 0, 3, 7, 7, 9, 0, 5, 7, 6, 2, 4, 7, 8, 2, 4, 1, 0, 0, 6, 3, 5, 0, 3, 8, 0, 4...
[ "cons", "nonn" ]
A158890
[ 67935525, 135460080, 1098298110, 1191370110 ]
[ "nonn" ]
A040250
[ 16, 2, 1, 15, 1, 2, 32, 2, 1, 15, 1, 2, 32, 2, 1, 15, 1, 2, 32, 2, 1, 15, 1, 2, 32, 2, 1, 15, 1, 2, 32, 2, 1, 15, 1, 2, 32, 2, 1, 15, 1, 2, 32, 2, 1, 15, 1, 2, 32, 2, 1, 15, 1, 2, 32, 2, 1, 15, 1, 2...
[ "nonn", "cofr", "easy" ]
A046284
[ 2, 3, 7, 719, 1033, 2297, 3037, 11927 ]
[ "nonn", "base" ]
A016437
[ 1, 4, 11, 19, 34, 56, 78, 116, 152, 184, 208, 256, 325, 385, 448, 499, 552, 642, 718, 809, 893, 984, 1062, 1148, 1292, 1408, 1508, 1614, 1719, 1865, 1976, 2129, 2328, 2439, 2544, 2659, 2830, 3103, 3242, 3366, 3531, 3706, 3923, 408...
[ "nonn" ]
A102040
[ 3, 6, 12, 14, 18, 26, 32, 34, 38, 46, 52, 54, 58, 66, 72, 74, 78, 86, 92, 94, 98, 106, 112, 114, 118, 126, 132, 134, 138, 146, 152, 154, 158, 166, 172, 174, 178, 186, 192, 194, 198, 206, 212, 214, 218, 226, 232, 234, 238...
[ "easy", "nonn", "base" ]
A256336
[ 1, 3, 14, 81, 521, 3554, 25172, 183129, 1359863, 10264359, 78521474, 607449380, 4744167924, 37355679904, 296232263792, 2363773540473, 18965408058723, 152910824717297, 1238260516988018, 10066874219853976, 82134185988563060, 672294915226394000, 5519252917557226000 ]
[ "nonn" ]
A213541
[ 0, 1, 0, 1, 0, 1, 4, 1, 0, 1, 0, 9, 0, 9, 4, 1, 0, 1, 0, 1, 16, 17, 4, 17, 0, 17, 0, 25, 16, 9, 4, 1, 0, 1, 0, 1, 0, 1, 36, 33, 0, 1, 32, 41, 0, 41, 4, 33, 0, 33, 0, 33, 16, 49, 36, 17, 0, 49, 32, 2...
[ "nonn", "base", "easy", "less", "look" ]
A244268
[ 2, 10, 14, 59, 67, 89, 92, 113, 125, 134, 166, 169, 209, 211, 224, 239, 250, 286, 302, 307, 371, 379, 415, 421, 446, 512, 530, 550, 593, 602, 610, 625, 680, 701, 715, 758, 763, 785, 812, 814, 842, 901, 907, 932, 938, 1057, 1...
[ "nonn", "base", "less" ]
A356673
[ 1, 1, 3, 31, 901, 45741, 3960871, 584698843, 130554106761, 40790044059481, 17681098707667532, 10491554658622448000, 8.198225417359165e+21, 8.172446419302496e+24, 1.0264848632098736e+28 ]
[ "nonn" ]
A031072
[ 11, 29, 58, 60, 71, 72, 77, 95, 102, 125, 131, 134, 142, 144, 147, 162, 185, 222, 224, 251, 267, 269, 272, 285, 288, 289, 296, 299, 301, 311, 318, 325, 333, 337, 345, 380, 387, 389, 393, 412, 421, 424, 425, 433, 434, 436, 43...
[ "nonn" ]
A233530
[ 1, 1, 1, 0, 2, 1, 0, 3, 3, 1, 0, 8, 9, 4, 1, 0, 38, 40, 18, 5, 1, 0, 268, 264, 112, 30, 6, 1, 0, 2578, 2379, 953, 240, 45, 7, 1, 0, 31672, 27568, 10500, 2505, 440, 63, 8, 1, 0, 475120, 392895, 143308, 32686, 5445, ...
[ "nonn", "tabl" ]
A149133
[ 1, 1, 4, 9, 34, 108, 384, 1393, 5052, 19274, 72492, 279750, 1086242, 4247496, 16821326, 66588371, 266382250, 1068490882, 4310377288, 17459435294, 70899996890, 289237844606, 1182747314880, 4852718651746, 19954943166192, 82248662978812, 339855835651746, 1406996558...
[ "nonn", "walk" ]
A356925
[ 1, 1, 6, 51, 614, 9655, 188209, 4389532, 119363488, 3711190881, 129932611723, 5060364817200, 217054300138136, 10168837756846144, 516709033266165500, 28306732060349790000, 1.663231006737555e+21, 1.0434491149573405e+23 ]
[ "nonn" ]
A027693
[ 8, 10, 14, 20, 28, 38, 50, 64, 80, 98, 118, 140, 164, 190, 218, 248, 280, 314, 350, 388, 428, 470, 514, 560, 608, 658, 710, 764, 820, 878, 938, 1000, 1064, 1130, 1198, 1268, 1340, 1414, 1490, 1568, 1648, 1730, 1814, 1900, 1988, ...
[ "nonn", "easy" ]
A358867
[ 2, 3, 11, 37, 67, 97, 127, 157, 211, 223, 277, 307, 337, 367, 373, 379, 397, 409, 439, 727, 739, 769, 853, 937, 967, 991, 1069, 1129, 1171, 1399, 1447, 1567, 1579, 1597, 1693, 1753, 1777, 1783, 1831, 1861, 1987, 2203, 2617, 3067, ...
[ "nonn" ]
A194606
[ 0, 0, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 4, 1, 5, 3, 2, 2, 2, 1, 1, 1, 1, 3, 3, 3, 6, 1, 2, 1, 2, 1, 3, 4, 1, 2, 4, 1, 1, 3, 1, 2, 2, 1, 1, 3, 2, 1, 1, 1, 11, 1, 4, 2, 3, 1, 2, 1, 11, 1, 1, ...
[ "sign" ]
A307637
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 3, 5, 6, 8, 14, 14, 16, 23, 28, 35, 38, 45, 52, 71, 66, 85, 94, 115, 121, 163, 154, 212, 194, 260, 253, 344, 289, 411, 382, 516, 457, 640, 533, 786, 652, 914, 778, ...
[ "nonn" ]
A091527
[ 1, 4, 30, 256, 2310, 21504, 204204, 1966080, 19122246, 187432960, 1848483780, 18320719872, 182327718300, 1820797698048, 18236779032600, 183120225632256, 1842826521244230, 18581317012684800, 187679234340049630, 1898554215471513600, 19232182592635610000 ]
[ "nonn", "easy" ]
A026519
[ 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 4, 4, 4, 2, 1, 1, 2, 5, 6, 8, 6, 5, 2, 1, 1, 3, 8, 13, 19, 20, 19, 13, 8, 3, 1, 1, 3, 9, 16, 27, 33, 38, 33, 27, 16, 9, 3, 1, 1, 4, 13, 28, 52, 76, 98, 104, 98, 76, ...
[ "nonn", "tabf" ]
A108745
[ 5, 0, 7, 8, 2, 9, 7, 3, 2, 4, 8, 8, 6, 8, 4, 3, 2, 7, 8, 9, 4, 0, 8, 5, 3, 0, 8, 7, 8, 9, 6, 8, 7, 1, 2, 5, 8, 3, 5, 2, 8, 6, 6, 5, 7, 1, 6, 4, 3, 3, 2, 9, 5, 8, 3, 3, 7, 7, 7, 0, 8, 6, 6, 3...
[ "nonn", "cons" ]
A376451
[ 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1...
[ "nonn", "base" ]
A313774
[ 1, 5, 10, 15, 21, 25, 31, 37, 41, 47, 52, 57, 62, 67, 72, 77, 83, 87, 93, 99, 103, 109, 114, 119, 124, 129, 134, 139, 145, 149, 155, 161, 165, 171, 176, 181, 186, 191, 196, 201, 207, 211, 217, 223, 227, 233, 238, 243, 24...
[ "nonn" ]
A361160
[ 8, 12, 17, 20, 24, 28, 32, 33, 40, 41, 44, 48, 52, 56, 57, 60 ]
[ "nonn", "more" ]
A027969
[ 3, 7, 18, 47, 120, 291, 661, 1404, 2801, 5283, 9484, 16305, 26990, 43215, 67191, 101782, 150639, 218351, 310614, 434419, 598260, 812363, 1088937, 1442448, 1889917, 2451243, 3149552, 4011573, 5068042, 6354135, 7909931, 9780906, 12018459, 14680471, 1...
[ "nonn" ]
A089289
[ 3, 31, 314, 1047, 31415, 314159, 785398, 31415926, 104719755, 3141592653, 31415926535, 314159265358, 3141592653589, 31415926535897, 314159265358979, 3141592653589793, 2243994752564138, 314159265358979300, 3141592653589793300, 1963495408493620700 ]
[ "nonn" ]
A303366
[ 1, 2, 3, 4, 5, 320, 1936, 2761, 3421, 3732, 4043, 4354, 1697296, 2121620, 2970268, 3076349, 5222639, 8979475, 41657517, 63095140, 110416495, 488553143, 646839439, 1066194997, 1209597525, 1803581465, 1861934400, 2019744271, 2691271467, 2842031031, 305272659...
[ "nonn", "base" ]
A027069
[ 1, 1, 1, 2, 2, 4, 5, 7, 11, 14, 22, 32, 43, 67, 97, 134, 206, 298, 419, 637, 923, 1312, 1978, 2872, 4111, 6161, 8961, 12888, 19232, 28010, 40423, 60129, 87665, 126840, 188216, 274634, 398151, 589689, 861001, 1250210, 1848840, 2700900,...
[ "nonn" ]
A014251
[ 2, 3, 4, 7, 14, 25, 45, 78, 132, 219, 362, 594, 970, 1579, 2565, 4161, 6743, 10923, 17687, 28632, 46342, 74998, 121365, 196389, 317781, 514198, 832008, 1346236, 2178274, 3524542, 5702850, 9227427, 14930313, 24157777, 39088128, 63245944, 1023341...
[ "nonn" ]
A232277
[ 22, 1066, 23055, 604133, 14477600, 340593196, 8229274953, 198816273957, 4771778176334, 114661580919909, 2759482867367601, 66374333505614070, 1596018810076647400, 38384994946195080000, 923223409958069500000 ]
[ "nonn" ]
A389542
[ 1, 2, 10, 64, 446, 3328, 26004, 209856, 1735734, 14636032, 125342732, 1087209472, 9531523756, 84323339264, 751827499816, 6748864069632, 60943035344934, 553222761873408, 5045557910629596, 46210534990774270, 424830847120966000, 3919044736906690600 ]
[ "nonn" ]
A048367
[ 3, 28, 138, 587, 612, 2824, 27654, 29603, 131468, 1312748, 1616488, 2811574, 49629974, 139796852, 281986403, 1264554822, 6146857824, 16162692208, 60598584603, 229717543765, 606069984352, 2811738231378, 5869673191741 ]
[ "nonn", "base", "more" ]
A243186
[ 0, 1, 2, 4, 8, 9, 11, 16, 18, 22, 25, 32, 35, 36, 43, 44, 49, 50, 64, 65, 67, 70, 72, 81, 86, 88, 91, 98, 99, 100, 107, 113, 121, 128, 130, 134, 137, 140, 144, 155, 162, 163, 169, 172, 176, 179, 182, 193, 196, 198, 2...
[ "nonn" ]
A053339
[ 255, 435, 455, 561, 595, 665, 705, 795, 805, 885, 957, 1001, 1105, 1295, 1309, 1335, 1463, 1495, 1551, 1605, 1615, 1645, 1729, 1749, 1855, 1885, 1947, 1955, 2001, 2055, 2065, 2091, 2093, 2185, 2235, 2345, 2387, 2405, 2465, 2555, 2703, ...
[ "nonn" ]
A005932
[ 1, 0, 0, 56, 14, 0, 0, 576, 84, 0, 0, 1512, 280, 0, 0, 4032, 574, 0, 0, 5544, 840, 0, 0 ]
[ "dead" ]
A063788
[ 18, 88, 4030, 5830, 518656, 13174976, 134094848, 2146926592, 2251798907715584, 12504224434300196, 324257317741920260 ]
[ "more", "nonn" ]
A152119
[ 1, 1, 1, 6, 7, 41, 48, 281, 329, 1926, 2255, 13201, 15456, 90481, 105937, 620166, 726103, 4250681, 4976784, 29134601, 34111385, 199691526, 233802911, 1368706081, 1602508992, 9381251041, 10983760033, 64300051206, 75283811239 ]
[ "nonn", "easy" ]
A137458
[ 2, 3, 5, 2, 11, 13, 17, 3, 2, 29, 31, 5, 41, 43, 47, 2, 59, 3, 67, 11, 73, 79, 83, 13, 2, 101, 5, 17, 109, 113, 127, 3, 137, 139, 149, 2, 157, 163, 167, 29, 179, 181, 191, 31, 11, 199, 211, 5, 2, 3, 233, 41, 241,...
[ "easy", "nonn" ]
A279121
[ 3, 9, 36, 1080, 544320, 5443200, 102643200, 392302310400, 31384184832000, 1371937222656000, 10948059036794880000, 1.6860010916664115e+21, 1.022717145714131e+22, 1.6333304175627528e+28, 4.573325169175708e+29, 5.68398985311838e+31 ]
[ "nonn", "easy", "frac" ]
A123630
[ 1, 2, 3, 5, 7, 10, 14, 20, 27, 36, 48, 63, 82, 106, 137, 175, 222, 280, 352, 439, 546, 676, 834, 1024, 1253, 1528, 1857, 2250, 2718, 3276, 3936, 4718, 5640, 6728, 8006, 9507, 11266, 13324, 15726, 18526, 21786, 25574, 29970, 35064,...
[ "nonn" ]
A006643
[ 1, 1, 2, 2, 2, 2, 4, 4, 4, 2, 6, 6, 4, 4, 4, 2, 6, 8, 4, 4, 6, 4, 2, 6, 8, 8, 8, 8, 4, 4, 10, 8, 4, 4, 4, 10, 12, 4, 8, 4, 14, 4, 8, 6, 6, 12, 8, 8, 6, 10, 12, 4, 4, 14, 8, 8, 8, 4, 8, 16, 14, 8...
[ "nonn" ]
A109015
[ 12, 1, 2, 3, 4, 1, 6, 1, 4, 3, 2, 1, 12, 1, 2, 3, 4, 1, 6, 1, 4, 3, 2, 1, 12, 1, 2, 3, 4, 1, 6, 1, 4, 3, 2, 1, 12, 1, 2, 3, 4, 1, 6, 1, 4, 3, 2, 1, 12, 1, 2, 3, 4, 1, 6, 1, 4, 3, 2, 1, 12, 1, ...
[ "nonn", "easy", "mult" ]
A314327
[ 1, 5, 7, 13, 19, 24, 26, 33, 36, 42, 44, 52, 54, 63, 57, 75, 71, 80, 78, 93, 86, 100, 97, 110, 107, 120, 110, 131, 124, 138, 129, 153, 138, 159, 147, 167, 161, 178, 159, 192, 179, 192, 181, 212, 190, 216, 199, 227, 213, ...
[ "nonn" ]
A008418
[ 1, 18, 162, 978, 4482, 16722, 53154, 148626, 374274, 864146, 1854882, 3742290, 7159170, 13079250, 22952610, 38878482, 63821826, 101880594, 158611106, 241419474, 360027522, 527022162, 758497698, 1074801042, 1501390338 ]
[ "nonn", "easy" ]
A096665
[ 1, 2, 4, 6, 3, 9, 12, 8, 10, 5, 14, 7, 18, 15, 20, 16, 22, 11, 24, 21, 26, 13, 28, 30, 25, 33, 27, 36, 32, 34, 17, 38, 19, 40, 35, 42, 39, 44, 45, 46, 23, 48, 50, 51, 52, 54, 56, 49, 58, 29, 60, 55, 57, 63, 6...
[ "nonn" ]
A172822
[ 1, 3, 55, 10147, 21107931, 511508441781, 150603715387867100, 5.552495058920036e+23, 2.6159597034338176e+31, 1.602105495865935e+40 ]
[ "nonn" ]
A247797
[ 2, 3, 5, 7, 11, 23, 13, 29, 17, 41, 31, 43, 19, 47, 37, 61, 53, 67, 59, 83, 71, 89, 73, 137, 79, 113, 97, 131, 101, 139, 103, 151, 107, 157, 109, 173, 127, 179, 149, 191, 163, 193, 167, 197, 181, 199, 211, 223, 227, 22...
[ "nonn", "base" ]
A308870
[ 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 6, 9, 15, 20, 31, 42, 61, 80, 112, 143, 191, 243, 316, 393, 501, 613, 767, 930, 1141, 1367, 1659, 1967, 2354, 2769, 3279, 3824, 4491, 5196, 6047, 6956, 8031, 9181, 10536, 11971, 13647, 15434, 17...
[ "nonn" ]
A110662
[ 1, 4, 3, 8, 7, 4, 15, 14, 11, 7, 21, 20, 17, 13, 6, 33, 32, 29, 25, 18, 12, 41, 40, 37, 33, 26, 20, 8, 56, 55, 52, 48, 41, 35, 23, 15, 69, 68, 65, 61, 54, 48, 36, 28, 13, 87, 86, 83, 79, 72, 66, 54, 46, 31, 1...
[ "nonn", "tabl" ]
A323561
[ 2, 14, 92, 584, 3644, 22482, 137626, 837466, 5072590, 30611376, 184171252, 1105262004, 6618842522, 39564403462, 236123357538, 1407249202976, 8376673823516 ]
[ "nonn", "walk", "more" ]
A388002
[ 0, 0, 0, 9, 9, 5, 5, 3, 0, 0, 2, 2, 0, 8, 9, 7, 7, 4, 3, 8, 3, 5, 8, 4, 3, 7, 4, 7, 6, 9, 0, 5, 4, 6, 4, 7, 5, 0, 1, 0, 5, 4, 0, 1, 6, 9, 9, 7, 3, 5, 3, 7, 7, 7, 1, 9, 1, 7, 5, 6, 3, 1, 6, 9...
[ "nonn", "cons" ]
A306336
[ 1, 1, 0, 1, -2, 10, -50, 320, -2340, 19640, -184900, 1932500, -22187200, 277576000, -3757884000, 54732418000, -853278998000, 14176686784000, -250046057846000, 4665989766386000, -91838330641200000, 1901405069222360000, -41307212202493120000, 939523370329035400000, -2.2...
[ "sign" ]
A252033
[ 10991, 31774, 53776, 112929, 327823, 1080979, 2183207, 5486634, 16631787, 51672060, 114374144, 303612703, 922940376, 2704035839, 6383581782, 17609747682, 52579573030, 148181650270, 369603880321, 1038233037114 ]
[ "nonn" ]
A264530
[ 1, 1, 29, 166, 1424, 8180, 59259, 373106, 2412437, 15444786, 98319654, 631317049, 4000509800, 25638291546, 162726625613, 1040425051956, 6615457333531, 42225119685838, 268805885562269, 1714155400353368, 10919104048916128 ]
[ "nonn" ]
A068211
[ 2, 2, 2, 2, 3, 2, 3, 2, 5, 2, 3, 3, 2, 2, 2, 3, 3, 2, 3, 5, 11, 2, 5, 3, 3, 3, 7, 2, 5, 2, 5, 2, 3, 3, 3, 3, 3, 2, 5, 3, 7, 5, 3, 11, 23, 2, 7, 5, 2, 3, 13, 3, 5, 3, 3, 7, 29, 2, 5, 5, 3, 2, 3...
[ "nonn" ]
A030597
[ 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1...
[ "nonn", "base" ]
A283960
[ 1, 1, 1, 1, 1, 1, 6, 16, 41, 106, 276, 2101, 6026, 15976, 41901, 109726, 835906, 2397991, 6358066, 16676206, 43670551, 332688201, 954394051, 2530493951, 6637087801, 17380769451, 132409067806, 379846433966, 1007130234091, 2641544268306, 6917502570826, 526...
[ "nonn" ]
A379483
[ 1, 1, 5, 1, 1, 2, 1, 1, 1, 1, 3, 3, 2, 1, 3, 1, 1, 1, 1, 1, 2, 2, 3, 2, 1, 3, 2, 1, 1, 2, 7, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 5, 1, 7, 1, 2, 4, 4, 1, 1, 2, 2, 1, 4, 6, 1, 3, 1, 3, 4, 1, 2, 1, 1...
[ "nonn" ]
A065019
[ 1, 3, 5, 11, 11, 13, 15, 17, 19, 21, 25, 27, 29, 31, 35, 35, 39, 41, 45, 49, 49, 51, 53, 55, 57, 61, 63, 65, 67, 69, 73, 75, 77, 81, 83, 83, 87, 91, 95, 95, 99, 99, 103, 103, 105, 107, 113, 113, 115, 117, 121, 123,...
[ "nonn", "base" ]
A227690
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 4, 3, 4, 1, 1, 1, 1, 5, 6, 6, 5, 1, 1, 1, 1, 9, 10, 13, 10, 9, 1, 1, 1, 1, 12, 21, 39, 39, 21, 12, 1, 1, 1, 1, 21, 39, 115, 77,...
[ "nonn", "tabl" ]
A235872
[ 1, 2, 1, 4, 1, 2, 1, 8, 9, 2, 1, 4, 1, 2, 1, 16, 1, 18, 1, 4, 1, 2, 1, 8, 25, 2, 9, 4, 1, 2, 1, 32, 1, 2, 1, 36, 1, 2, 1, 8, 1, 2, 1, 4, 9, 2, 1, 16, 49, 50, 1, 4, 1, 18, 1, 8, 1, 2, 1, 4, 1, 2,...
[ "nonn", "mult" ]
A003943
[ 2.793096896543459e+31, 5.488878093174113e+49, 1.5362343460985328e+63, 1.1813193319962228e+73 ]
[ "nonn", "easy" ]
A376912
[ 3, 4, 8, 1, 8, 1, 9, 0, 6, 8, 6, 2, 8, 7, 3, 5, 9, 3, 9, 5, 9, 8, 9, 5, 2, 0, 6, 2, 9, 2, 2, 7, 4, 2, 2, 8, 8, 0, 0, 7, 3, 3, 6, 8, 0, 9, 8, 1, 9, 7, 4, 7, 2, 6, 8, 7, 7, 5, 6, 3, 6, 2, 8, 9...
[ "nonn", "cons" ]
A028709
[ 1, 0, 0, 0, 8, 0, 0, 0, 24, 0, 0, 0, 32, 0, 0, 0, 32, 0, 0, 0, 112, 32, 0, 0, 288, 192, 0, 0, 320, 416, 0, 0, 240, 448, 0, 0, 680, 768, 0, 0, 1488, 2176, 384, 0, 1376, 3488, 1536, 0, 896, 3648, 2304, 0, 2352, 5...
[ "nonn" ]
A092237
[ 0, 1, 0, 12, 4, 27, 42, 112, 72 ]
[ "hard", "nonn", "more" ]
A331453
[ 5, 13, 37, 35, 99, 257, 75, 213, 421, 817, 159, 401, 881, 1489, 2757, 275, 657, 1305, 2143, 3555, 4825, 477, 1085, 2131, 3431, 5821, 7663, 12293, 755, 1619, 2941, 4817, 7477, 9913, 15037, 19241, 1163, 2327, 4369, 6495, 10393, 13647, ...
[ "nonn", "tabl" ]
A298949
[ 1, -1, 0, -1, 2, -2, 2, -2, 2, -3, 4, -3, 3, -5, 5, -5, 7, -7, 7, -9, 10, -11, 12, -12, 13, -16, 18, -17, 18, -21, 23, -25, 26, -27, 29, -32, 35, -36, 37, -40, 43, -46, 50, -51, 52, -58, 63, -64, 67, -71, 73, -79, ...
[ "sign" ]
A130938
[ 0, 1, 2, 3, 4, 5, 7, 8, 6, 9, 10, 12, 13, 11, 17, 18, 20, 21, 22, 16, 14, 15, 19, 23, 24, 26, 27, 25, 31, 32, 34, 35, 36, 30, 28, 29, 33, 45, 46, 48, 49, 50, 54, 55, 57, 58, 59, 61, 62, 63, 64, 44, 47, 42, 37...
[ "nonn" ]
A183039
[ 3, 3, 18, 3, 3, 18, 3, 3, 81, 3, 3, 18, 3, 3, 18, 3, 3, 81, 3, 3, 18, 3, 3, 18, 3, 3, 324, 3, 3, 18, 3, 3, 18, 3, 3, 81, 3, 3, 18, 3, 3, 18, 3, 3, 81, 3, 3, 18, 3, 3, 18, 3, 3, 324, 3, 3, 18, 3, 3, ...
[ "nonn" ]
A079368
[ 1, 9, 19, 22, 25, 26, 29, 66, 6487, 6677, 6678, 55987, 64383 ]
[ "nonn", "more" ]
A312892
[ 1, 4, 9, 13, 17, 21, 25, 29, 33, 38, 42, 46, 51, 55, 59, 63, 67, 71, 75, 80, 84, 88, 93, 97, 101, 105, 109, 113, 117, 122, 126, 130, 135, 139, 143, 147, 151, 155, 159, 164, 168, 172, 177, 181, 185, 189, 193, 197, 201, ...
[ "nonn" ]
A208830
[ 1, 1, 2, 12, 132, 2196, 49836, 1447476, 51542868, 2182001316, 107319488412, 6024315658548, 380536243019220, 26739219616505076, 2070294450495377400, 175215334999701600000, 1.6099427228106472e+22, 1.596611582544914e+24, 1.7002886496436733e+26 ]
[ "nonn" ]
A390754
[ 1, 4, 18, 4, 100, 72, 294, 4, 18, 400, 1210, 72, 2028, 1176, 1800, 32, 4624, 72, 6498, 400, 5292, 4840, 11638, 72, 100, 8112, 18, 1176, 23548, 7200, 28830, 32, 21780, 18496, 29400, 72, 49284, 25992, 36504, 400, 67240, 21168, 77658, ...
[ "nonn", "mult", "easy", "new" ]
A074985
[ 16, 36, 81, 100, 196, 225, 441, 484, 625, 676, 1089, 1156, 1225, 1444, 1521, 2116, 2401, 2601, 3025, 3249, 3364, 3844, 4225, 4761, 5476, 5929, 6724, 7225, 7396, 7569, 8281, 8649, 8836, 9025, 11236, 12321, 13225, 13924, 14161, 14641, 148...
[ "easy", "nonn" ]
A232658
[ 11, 18, 19, 22, 29, 31, 38, 41, 44, 46, 47, 54, 58, 59, 62, 71, 76, 79, 82, 94, 101, 107, 116, 118, 121, 123, 124, 129, 131, 139, 142, 151, 158, 161, 162, 166, 179, 181, 191, 199, 201, 202, 209, 211, 214, 229, 236, 239, ...
[ "nonn" ]
A009812
[ 0, 2, 8, 48, 384, 18944, 2364416, 271337472, 29986947072, 3404290850816, 424605895884800, 64805172535099390, 13431502292801028000, 3.6901285278956273e+21, 1.1958248277447729e+24, 4.226611009170644e+26, 1.6094094428514793e+29 ]
[ "nonn" ]
A263559
[ 1, 3, 9, 2, 11, 26, 51, 3, 17, 39, 73, 119, 175, 237, 307, 8, 49, 88, 151, 220, 295, 380, 479, 584, 705, 848, 999, 1158, 1321, 1486, 1687, 51, 139, 241, 355, 477, 611, 763, 919, 1085, 1253, 1435, 1633, 1839, 2055, 2277, 2519...
[ "nonn" ]
A323665
[ 1, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 4, 5, 5, 5, 5, 5, 5, 5, 4, 5, 5, 5, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 6, 5, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 6, 4...
[ "nonn", "look" ]
A254202
[ 4, 11, 47, 195, 898, 4353, 22189, 112015, 542397, 2658643, 13811570, 74759723, 402860778, 2116039998, 11034558825, 58963729401, 324783927568, 1798939119729, 9744887456018, 51258432916302, 268071351841619, 1461410535224478 ]
[ "nonn" ]
A361113
[ 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0...
[ "nonn" ]