N8Programs/oeis-enhanced · Datasets at Hugging Face

id stringlengths 7 11	seq listlengths 1 347	keywords listlengths 1 8 ⌀
A005846	[ 41, 43, 47, 53, 61, 71, 83, 97, 113, 131, 151, 173, 197, 223, 251, 281, 313, 347, 383, 421, 461, 503, 547, 593, 641, 691, 743, 797, 853, 911, 971, 1033, 1097, 1163, 1231, 1301, 1373, 1447, 1523, 1601, 1847, 1933, 2111, 2203, 229...	[ "nonn", "easy" ]
A097780	[ 1, 25, 624, 15575, 388751, 9703200, 242191249, 6045078025, 150884759376, 3766073906375, 94000962899999, 2346257998593600, 58562449001940000, 1461714967049906400, 36484311727245720000, 910646078214093100000 ]	[ "nonn", "easy" ]
A204817	[ 1, 1, 4, 6, 4, 3, 1, 1, 1, 1, 4, 2, 1, 6, 4, 1, 2, 5, 1, 5, 1, 6, 1, 4, 1, 4, 4, 6, 4, 1, 1, 3, 2, 6, 1, 3, 1, 2, 2, 1, 2, 6, 1, 1, 4, 6, 4, 3, 1, 1, 1, 1, 4, 2, 1, 6, 1, 1, 2, 5, 1, 5, 1, 1...	[ "nonn", "easy", "base" ]
A277340	[ 1, 2, 4, 7, 10, 92, 1099, 29530, 281473, 657892, 3313964, 9816013, 18669155396, 94849225930, 358676424226, 957439868543, 1586504109310, 41431374800470, 241469610359708, 256165266592379 ]	[ "nonn" ]
A224208	[ 4096, 1600000, 72105068, 1229044416, 12652618110, 96914926654, 618703866073, 3548209715979, 19271137728483, 102347986047920, 537384393939360, 2776104877172612, 13950578706978266, 67469676772365416, 311817626166418800 ]	[ "nonn" ]
A148158	[ 1, 1, 2, 4, 11, 30, 99, 321, 1125, 3994, 14669, 54883, 210009, 816899, 3221481, 12875307, 51984975, 211956185, 871637092, 3613651770, 15086421954, 63391684221, 267934026055, 1138417265769, 4860596083277, 20847396593292, 89793624085992, 388259714531135, 1684888...	[ "nonn", "walk" ]
A365131	[ 1, 2, 11, 62, 395, 2662, 18720, 135738, 1007607, 7619456, 58488028, 454556544, 3569655975, 28282204680, 225796917864, 1814732935968, 14670580718486, 119215212413412, 973246346463636, 7978384233270126, 65649676250344744, 542031604244083650 ]	[ "nonn" ]
A079408	[ 1, 1, 0, 3, 2, 0, 6, 2, 1, 0, 12, 6, 3, 1, 0, 24, 12, 6, 3, 1, 0, 48, 24, 12, 6, 3, 1, 0, 96, 48, 24, 12, 5, 3, 1, 0, 192, 96, 48, 24, 12, 6, 3, 1, 0, 384, 192, 96, 48, 24, 12, 6, 3, 1, 0, 768, 384, 192...	[ "nonn", "tabl" ]
A003500	[ 2, 4, 14, 52, 194, 724, 2702, 10084, 37634, 140452, 524174, 1956244, 7300802, 27246964, 101687054, 379501252, 1416317954, 5285770564, 19726764302, 73621286644, 274758382274, 1025412242452, 3826890587534, 14282150107684, 53301709843202, 198924689265124 ]	[ "nonn", "easy", "nice" ]
A157337	[ 161, 577, 1249, 2177, 3361, 4801, 6497, 8449, 10657, 13121, 15841, 18817, 22049, 25537, 29281, 33281, 37537, 42049, 46817, 51841, 57121, 62657, 68449, 74497, 80801, 87361, 94177, 101249, 108577, 116161, 124001, 132097, 140449, 149057 ]	[ "nonn", "easy" ]
A336653	[ -1, 1, 3, 20, 160, 1727, 22341, 337947, 5799881, 111180832, 2352448424, 54449597409, 1368516031855, 37118127188225, 1080644471447419, 33614180067524196, 1112586937337721000, 39043623554061200000, 1.4480212978704738e+21, 5.659225612000422e+22, 2.3247069466419726e+24 ]	[ "sign" ]
A384490	[ 41, 61, 109, 149, 241, 269, 389, 409, 449, 569, 601, 641, 701, 821, 929, 1129, 1181, 1201, 1301, 1321, 1429, 1481, 1489, 1609, 1801, 1889, 1901, 1949, 2129, 2141, 2309, 2341, 2381, 2549, 2609, 2741, 2909, 3061, 3109, 3181, 3209, 3221,...	[ "nonn" ]
A140260	[ 0, 4, 10, 19, 33, 54, 85, 132, 202, 307, 465, 702, 1057, 1590, 2389, 3588, 5386, 8083, 12129, 18198, 27301, 40956, 61438, 92161, 138246, 207373, 311064, 466600, 699904, 1049860, 1574794, 2362195, 3543297, 5314950, 7972429, 11958648 ]	[ "nonn" ]
A132802	[ 1, 1, 2, 2, 4, 3, 5, 3, 8, 6, 7, 4, 12, 6, 7, 7, 16, 9, 15, 7, 16, 11, 9, 5, 28, 15, 13, 12, 16, 8, 20, 8, 32, 21, 19, 14, 37, 16, 15, 14, 36, 17, 28, 12, 20, 20, 11, 6, 64, 31, 34, 25, 28, 14, 33, 18, 36...	[ "nonn" ]
A259752	[ 6, 30, 54, 78, 102, 126, 150, 174, 198, 222, 246, 270, 294, 318, 342, 366, 390, 414, 438, 462, 486, 510, 534, 558, 582, 606, 630, 654, 678, 702, 726, 750, 774, 798, 822, 846, 870, 894, 918, 942, 966, 990, 1014, 1038, 1062, 108...	[ "nonn", "easy" ]
A198946	[ 1, 2, 7, 43, 661, 45503, 14835966, 19030289368, 96523753164218, 1826134533496656400, 1.3678293977723534e+23, 3.813454766456596e+28, 4.246478799926393e+34, 1.7620358297453498e+41 ]	[ "nonn" ]
A132580	[ 13, 14, 15, 16, 17, 18, 19, 1192, 1193, 11431, 18738 ]	[ "nonn" ]
A211019	[ 0, 0, 1, 2, 3, 1, 10, 13, 3, 1, 42, 53, 13, 3, 1, 170, 213, 53, 13, 3, 1, 682, 853, 213, 53, 13, 3, 1, 2730, 3413, 853, 213, 53, 13, 3, 1, 10922, 13653, 3413, 853, 213, 53, 13, 3, 1, 43690, 54613, 13653, 3413, 853, 2...	[ "nonn", "tabl" ]
A201492	[ 8, 1454, 301432, 50432052, 6697376240, 732383803600, 68110029402413, 5516712973977104, 396137884984421800, 25563298281912010000, 1.4985432073917754e+21, 8.050174377862244e+22 ]	[ "nonn" ]
A352279	[ 1, 2, 4, 10, 32, 114, 448, 1978, 9472, 48738, 270336, 1595114, 9965568, 65852882, 457326592, 3329243546, 25356271616, 201326396098, 1663597019136, 14279558011850, 127044810702848, 1170023757062450, 11136610150121472, 109395885009537400, 1107781178494025700, 11549900...	[ "nonn" ]
A357163	[ 1, 1, 5, 38, 313, 2834, 27088, 269380, 2757797, 28872568, 307696566, 3326835855, 36403128996, 402370063992, 4485931975701, 50386112677647, 569624341701738, 6476615022560400, 74013180802610160, 849642206122063600, 9793310961240980000, 113297108937174520000 ]	[ "nonn" ]
A130100	[ 1, 8, 9, 25, 32, 64, 81, 121, 225, 289, 441, 512, 729, 841, 1000, 1225, 1521, 1681, 2025, 2048, 2401, 2601, 2744, 3249, 3481, 4096, 4225, 4761, 5041, 5929, 6561, 7569, 7776, 8000, 9025, 9801, 10201, 11025, 11449, 12321, 15625, 16384, ...	[ "nonn" ]
A009587	[ 1, -1, -7, 335, -12367, 461119, -15282199, -15084017, 113205762401, -23353924295169, 3999727786726617, -646193037236457600, 96494362194199970000, -1.0906894032368132e+22, -4.799114207937984e+23, 1.0630723176887934e+27 ]	[ "sign" ]
A078144	[ 844, 1680, 2888, 3624, 5046, 10924, 14748, 15848, 17404, 19940, 22020, 22021, 22624, 23272, 24647, 24648, 25772, 29348, 30248, 30923, 30924, 33172, 36700, 37248, 38724, 39444, 40472, 45372, 47672, 47673, 47724, 47824, 48372, 49488 ]	[ "nonn" ]
A246171	[ 3, 7, 11, 15, 19, 23, 27, 30, 34, 38, 42, 46, 50, 54, 58, 61, 65, 69, 73, 77, 81, 85, 89, 92, 96, 100, 104, 108, 112, 116, 120, 123, 127, 131, 135, 139, 143, 147, 151, 154, 158, 162, 166, 170, 174, 178, 182, 185, 189, ...	[ "nonn", "easy" ]
A088223	[ 1, 2, 3, 12, 93, 1032, 14655, 251688, 5052909, 115925904, 2990175786, 85643490420, 2697023236056, 92629652495280, 3446174110482327, 138077674608686540, 5928227839749417000, 271538262681756170000 ]	[ "nonn" ]
A350723	[ 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 2, 0, 1, 1, 1, 1, 2, 0, 1, 1, 1, 2, 3, 1, 2, 2, 0, 1, 2, 1, 2, 1, 2, 2, 2, 0, 1, 1, 1, 1, 2, 1, 2, 2, 1, 2, 3, 1, 2, 2, 2, 2, 3, 0, 1, 1, 1, 2, 3, 1, 2, 2, 1, 1...	[ "nonn" ]
A229279	[ 0, 5, 40, 275, 1750, 10625, 62500, 359375, 2031250, 11328125, 62500000, 341796875, 1855468750, 10009765625, 53710937500, 286865234375, 1525878906250, 8087158203125, 42724609375000, 225067138671875, 1182556152343750, 6198883056640625, 32424926757812500 ]	[ "nonn", "easy", "changed" ]
A251150	[ 65, 8407, 6441563, 29975340928, 835576868190958, 140510035307275960000, 1.4207603039367863e+26, 8.65077266113416e+32, 3.169861599347231e+40 ]	[ "nonn" ]
A190957	[ 0, 1, 10, 108, 1160, 12464, 133920, 1438912, 15460480, 166116096, 1784844800, 19177376768, 206052526080, 2213944274944, 23787862958080, 255590183780352, 2746204741468160, 29506768884924416, 317037326780989440, 3406427418889289700, 36600572803140813000 ]	[ "nonn", "easy" ]
A251797	[ 36552, 3352272, 294088336, 26787273856, 2446811684440, 224175608341756, 20552060379396424, 1884978485974990300, 172902962249484080000, 1.5861042034905778e+22, 1.4550157544616322e+24 ]	[ "nonn" ]
A231675	[ 0, 1, 17, 98, 354, 979, 980, 996, 1077, 1333, 1958, 3254, 3270, 3351, 3607, 4232, 5528, 7929, 8010, 8266, 8891, 10187, 12588, 16684, 16940, 17565, 18861, 21262, 25358, 31919, 32544, 33840, 36241, 40337, 46898, 56898, 56899, 56915, 56996, ...	[ "nonn", "base" ]
A237095	[ 4783, 66831, 944850, 14756791, 223026701, 3632023790, 56768589375, 943735196093, 15036281517264, 252233217483293, 4064215476420475, 68393558400968160, 1109717372240785400, 18682583733068330000 ]	[ "nonn" ]
A232345	[ 21, 207, 1461, 10503, 77613, 575087, 4251717, 31416759, 232180893, 1716017023, 12682748597, 93735029639, 692772171789, 5120109604943, 37841480302757, 279677127167191, 2067025225364605, 15276877819722016, 112907667250391440 ]	[ "nonn" ]
A313896	[ 1, 5, 10, 16, 21, 27, 33, 37, 42, 48, 54, 59, 63, 69, 75, 80, 86, 91, 96, 101, 106, 112, 117, 123, 129, 133, 138, 144, 150, 155, 159, 165, 171, 176, 182, 187, 192, 197, 202, 208, 213, 219, 225, 229, 234, 240, 246, 251, 2...	[ "nonn" ]
A349224	[ 11, 14, 957, 1334, 1485, 1634, 2685, 4136, 9347, 13915, 16260, 16499, 20145, 29903, 33998, 37236, 42251, 42818, 55308, 56419, 74918, 77748, 79826, 79833, 84134, 86343, 109864, 111506, 122073, 138237, 142116, 147454, 166934, 168739, 178356, 184260...	[ "nonn" ]
A348737	[ 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0...	[ "nonn" ]
A040331	[ 18, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, ...	[ "nonn", "cofr", "easy" ]
A058445	[ 2236081408416666 ]	[ "nonn", "base", "hard", "more", "bref" ]
A018165	[ 1, 1, 3, 5, 10, 18, 32, 57, 101, 181, 324, 577, 1029, 1835, 3271, 5832, 10396, 18532, 33035, 58889, 104976, 187130, 333579, 594639, 1060005, 1889568, 3368348, 6004426, 10703505, 19080094, 34012224, 60630274 ]	[ "nonn" ]
A114174	[ 1, 3, 16, 95, 601, 3951, 26650, 183043, 1274080, 8959268, 63512890, 453227590, 3252065077, 23443729683, 169680654790, 1232381601759, 8977925594880, 65579423363511, 480162707557696, 3523121247341469, 25899477669429040 ]	[ "nonn" ]
A371476	[ 1, 0, 1, 1, 1, 3, 10, 12, 23, 35, 169, 255, 817, 1883, 4702, 10489 ]	[ "nonn", "more" ]
A068806	[ 1, 2, 4, 8, 16, 8192, 16777216, 67108864 ]	[ "nonn", "more" ]
A229861	[ 4, 5, 8, 32, 41, 54, 56, 68, 123, 946, 1494, 1856, 2056, 5186, 6874, 8104, 10419, 17386, 27024, 31100, 84026, 167786, 272089, 733253, 812600, 1188000, 1544579, 2667584, 4921776, 16360708, 21524990, 27914146 ]	[ "nonn", "more" ]
A232680	[ 86, 562, 562, 2985, 13266, 2985, 14027, 252071, 252071, 14027, 59228, 4171291, 18009666, 4171291, 59228, 229332, 60818628, 1103220626, 1103220626, 60818628, 229332, 831604, 797893589, 59208746393, 254263401284, 59208746393, 797893589 ]	[ "nonn", "tabl" ]
A048354	[ 3, 63, 173, 1414, 17313, 53937, 138923, 953937, 3082207, 31622764, 99849687, 301579177, 3033150173, 14142134563, 141413973847, 543315746063, 3098361825223, 5477225574409, 14139412282687, 314896807700437, 412286308285783, 3147904051904219, 9055381813816576, 3114475461360...	[ "nonn", "base" ]
A107204	[ 5, 23, 167, 197, 263, 293, 317, 653, 677, 773, 863, 887, 1277, 1487, 1493, 1583, 1607, 1733, 1823, 1877, 1997, 2063, 2423, 2663, 2687, 2837, 2903, 2957, 3023, 3167, 3413, 3527, 3533, 3623, 3797, 4007, 4133, 4373, 4397, 4493, 4583, 473...	[ "nonn", "easy" ]
A078898	[ 0, 1, 1, 1, 2, 1, 3, 1, 4, 2, 5, 1, 6, 1, 7, 3, 8, 1, 9, 1, 10, 4, 11, 1, 12, 2, 13, 5, 14, 1, 15, 1, 16, 6, 17, 3, 18, 1, 19, 7, 20, 1, 21, 1, 22, 8, 23, 1, 24, 2, 25, 9, 26, 1, 27, 4, 28, 10, 29, ...	[ "nonn" ]
A178199	[ 1, 37, 3, 5, 6, 11, 1438, 31, 9, 29, 18, 45021, 13, 5249, 22, 23, 20, 69, 25, 437, 21, 227643018837677, 42, 141, 50, 19877, 27, 121, 36, 303, 98, 49, 75, 329, 94, 261, 116, 9200543, 39, 87541720241623, 52, 1119, 1402, 510025, 35...	[ "nonn" ]
A163624	[ 2, 5, 10, 11, 15, 18, 19, 21, 25, 26, 28, 35, 37, 38, 40, 44, 46, 47, 49, 51, 53, 54, 57, 58, 61, 63, 64, 68, 71, 72, 73, 75, 77, 80, 81, 86, 93, 102, 105, 106, 107, 112, 114, 116, 119, 120, 126, 127, 128, 130, 138, ...	[ "nonn", "easy" ]
A277570	[ 4, 10, 16, 22, 24, 28, 34, 40, 46, 52, 58, 60, 64, 70, 76, 82, 88, 94, 96, 100, 106, 112, 118, 124, 130, 132, 136, 142, 144, 148, 154, 160, 166, 168, 172, 178, 184, 190, 196, 202, 204, 208, 214, 220, 226, 232, 238, 240, ...	[ "nonn", "easy" ]
A180564	[ 1, 0, 1, 1, 2, 3, 7, 14, 35, 81, 216, 557, 1583, 4444, 13389, 40313, 128110, 409519, 1366479, 4603338, 16064047, 56708713, 206238116, 759535545, 2870002519, 10986716984, 43019064953, 170663829777, 690840124506, 2832976091771, 11831091960887, 500405031850...	[ "nonn" ]
A174382	[ 0, 1, 1, 1, 1, 3, 1, 4, 0, 1, 2, 6, 0, 1, 1, 3, 8, 1, 1, 1, 0, 1, 4, 12, 1, 2, 1, 0, 1, 0, 1, 6, 16, 2, 2, 2, 0, 1, 0, 1, 0, 0, 0, 1, 11, 19, 5, 2, 2, 0, 2, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 19, 2...	[ "easy", "nonn", "tabf", "look" ]
A250053	[ 735, 1299, 2292, 4030, 7054, 12284, 21276, 36654, 65647, 117118, 207970, 367357, 645284, 1127254, 1959943, 3490956, 6215841, 11039715, 19532090, 34400784, 60306267, 105317881, 186769658, 331702865, 588582975, 1041809368, 1837663608 ]	[ "nonn" ]
A276614	[ 0, 7, 26, 21, 14, 63, 59, 52, 47, 40, 33, 124, 115, 110, 103, 96, 89, 84, 77, 70, 215, 208, 201, 194, 187, 183, 176, 171, 164, 157, 150, 145, 138, 131, 342, 339, 330, 318, 311, 304, 299, 292, 285, 278, 274, 267, 262, 255, ...	[ "nonn" ]
A264003	[ 4, 18, 9, 81, 99, 25, 288, 1089, 925, 64, 1024, 8679, 34225, 7304, 169, 3872, 69169, 791245, 833569, 62101, 441, 14641, 568343, 18292729, 50616720, 22819729, 516117, 1156, 54450, 4669921, 457981160, 3073593600, 3817152613, 604028929, 4331090 ]	[ "nonn", "tabl" ]
A224646	[ 3200, 5696, 10304, 19328, 44096, 103232, 250304, 672320, 1832000, 5072000, 14598464, 42259520, 123062720, 363331136, 1075129664, 3188732288, 9504804416, 28357861952, 84686143424, 253379455040, 758408705600, 2270956426880 ]	[ "nonn" ]
A042852	[ 30, 31, 464, 959, 13890, 14849, 904830, 919679, 13780336, 28480351, 412505250, 440985601, 26871641310, 27312626911, 409248418064, 845809463039, 12250580900610, 13096390363649, 798034002719550, 811130393083199, 12153859505884336, 25118849404851870 ]	[ "nonn", "cofr", "frac", "easy" ]
A169888	[ 1, 2, 2, 8, 18, 52, 152, 492, 1618, 5408, 18452, 64132, 225432, 800048, 2865228, 10341208, 37568338, 137270956, 504171584, 1860277044, 6892335668, 25631327688, 95640829924, 357975249028, 1343650267288, 5056424257552, 19073789328752, 72108867620204 ]	[ "nonn" ]
A271623	[ 7, 50, 25, 176, 88, 44, 22, 11, 78, 39, 274, 137, 960, 480, 240, 120, 60, 30, 15, 106, 53, 372, 186, 93, 652, 326, 163, 1142, 571, 3998, 1999, 13994, 6997, 48980, 24490, 12245, 85716, 42858, 21429, 150004, 75002, 37501, 262508, 13...	[ "nonn", "easy" ]
A133412	[ 5, 7, 0, 24, 0, 36, 0, 23, 0, 60, 0, 0, 37, 0, 84, 47, 0, 53, 0, 0, 120, 0, 67, 144, 0, 79, 83, 0, 0, 89, 0, 0, 0, 301, 216, 113, 0, 0, 0, 0, 0, 127, 131, 0, 276, 0, 0, 0, 0, 300, 157, 0, 0, 163, 167, 173, ...	[ "nonn" ]
A261566	[ 1, -2, 0, -6, 16, -18, 48, -94, 208, -426, 752, -1646, 3360, -6578, 13056, -26358, 53456, -105890, 211392, -424366, 850544, -1699290, 3393136, -6795646, 13601184, -27188130, 54358000, -108752870, 217552976, -435033618, 869999584, -1740145118, 348049758...	[ "sign" ]
A173177	[ 2, 5, 8, 14, 17, 20, 29, 32, 35, 38, 47, 50, 53, 62, 68, 74, 77, 80, 89, 95, 98, 104, 110, 113, 119, 134, 137, 140, 152, 155, 164, 167, 173, 182, 185, 188, 197, 203, 209, 215, 218, 227, 230, 242, 248, 260, 269, 272, 284,...	[ "nonn", "uned" ]
A351749	[ 0, 5, 28, 5, 3126, 33, 823544, 5, 28, 3131, 285311670612, 33, 302875106592254, 823549, 3154, 5, 827240261886336800000, 33, 1.9784196556603136e+24, 3131, 823572, 285311670617, 2.088046799984791e+31, 33, 3126, 302875106592259 ]	[ "nonn" ]
A380459	[ 1, 2, 2, 12, 2, 18, 2, 1296, 48, 54, 2, 1620, 2, 30, 108, 25194240, 2, 4050, 2, 131220, 60, 270, 2, 12150000, 576, 150, 3317760, 67500, 2, 33750, 2, 142818689064960000, 540, 1350, 180, 2050312500, 2, 750, 300, 1195742250000, 2, 281250...	[ "nonn" ]
A221093	[ 0, 4096, 4244238, 18736955689, 47632473997312, 137999718103495700, 376959882525471500000, 1.0472764972346005e+24, 2.88202979336707e+27 ]	[ "nonn" ]
A155315	[ 1, 7, 19, 37, 61, 503, 4407, 23093, 93285, 817543, 14192015, 204195517, 2243020429, 32774055967, 863753860919, 27738606644581, 798910205504069, 24797177099870104 ]	[ "nonn" ]
A264448	[ 0, 391, 910, 1575, 2405, 3420, 4641, 6090, 7790, 9765, 12040, 14641, 17595, 20930, 24675, 28860, 33516, 38675, 44370, 50635, 57505, 65016, 73205, 82110, 91770, 102225, 113516, 125685, 138775, 152830, 167895, 184016, 201240, 219615, 239190, 260015...	[ "nonn", "easy" ]
A104592	[ 1, 120, 10920, 988960, 99706320, 11897978400, 1729153068720, 306003079514880, 64657337524631280, 15890834362452490000, 4.4353967002164055e+21, 1.379778057502075e+24, 4.7168935695879164e+26 ]	[ "nonn" ]
A335006	[ 1, 1, 4, 7, 1, 7, 6, 6, 5, 7, 9, 9, 6, 0, 6, 5, 6, 6, 7, 0, 0, 6, 3, 7, 6, 4, 5, 0, 1, 0, 2, 1, 3, 2, 4, 3, 3, 4, 4, 5, 6, 4, 1, 6, 1, 6, 7, 4, 6, 8, 5, 4, 5, 7, 8, 3, 6, 3, 9, 6, 4, 5, 9, 5...	[ "nonn", "cons" ]
A346416	[ 5, 11, 13, 17, 19, 37, 41, 43, 47, 59, 71, 89, 103, 109, 113, 137, 139, 149, 163, 167, 173, 179, 181, 241, 269, 313, 337, 379, 389, 401, 491, 499, 521, 547, 557, 569, 587, 599, 607, 613, 617, 631, 643, 673, 677, 701, 739, ...	[ "nonn" ]
A287439	[ 2, 4, 7, 12, 22, 38, 68, 120, 212, 376, 664, 1176, 2080, 3680, 6512, 11520, 20384, 36064, 63808, 112896, 199744, 353408, 625280, 1106304, 1957376, 3463168, 6127360, 10841088, 19181056, 33936896, 60044288, 106235904, 187962368, 332560384, 588396544 ...	[ "nonn", "easy" ]
A008420	[ 1, 20, 200, 1340, 6800, 28004, 97880, 299660, 822560, 2060980, 4780008, 10377180, 21278640, 41517060, 77548920, 139380012, 242080320, 407782740, 668274440, 1068305020, 1669752016, 2556801700, 3842321560, 5675620300 ]	[ "nonn", "easy" ]
A119919	[ 1, 2, 3, 4, 6, 9, 8, 12, 18, 21, 16, 24, 36, 42, 51, 32, 48, 72, 84, 102, 105, 64, 96, 144, 168, 204, 210, 231, 128, 192, 288, 336, 408, 420, 462, 471, 256, 384, 576, 672, 816, 840, 924, 942, 975, 512, 768, 1152, 1344, ...	[ "nonn", "base", "easy", "tabl" ]
A149258	[ 1, 1, 4, 11, 39, 141, 531, 2055, 8184, 33072, 135841, 564960, 2375302, 10076779, 43089130, 185560423, 804020555, 3502720054, 15334927573, 67435970381, 297735390506, 1319311878971, 5865676338727, 26158787600870, 116986315652226, 524545274062845, 2357659835110416, ...	[ "nonn", "walk" ]
A193677	[ 1, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 2, 4, 4, 3, 4, 4, 4, 5, 5, 4, 5, 6, 4, 6, 7, 4, 7, 8, 6, 8, 6, 6, 9, 9, 6, 8, 10, 6, 10, 10, 6, 11, 11, 8, 11, 10, 8, 12, 13, 9, 10, 12, 10, 14, 14, 8, 15...	[ "nonn" ]
A088177	[ 1, 1, 2, 2, 3, 1, 5, 2, 4, 3, 3, 5, 4, 4, 6, 3, 7, 1, 11, 2, 7, 4, 8, 5, 5, 6, 6, 7, 5, 9, 3, 11, 4, 12, 5, 10, 7, 7, 8, 8, 9, 6, 11, 5, 13, 1, 17, 2, 13, 3, 17, 4, 13, 6, 14, 7, 9, 9, 10, 8, 11, ...	[ "nonn", "nice" ]
A378558	[ 1, 16, 256, 65536, 16777216, 1099511627776 ]	[ "nonn", "base", "hard", "more" ]
A275621	[ 1, 1, 2, 7, 38, 182, 1214, 8386, 86448, 1103114 ]	[ "nonn", "more" ]
A004022	[ 11, 1111111111111111200, 1.1111111111111111e+22 ]	[ "nonn", "nice", "bref" ]
A199736	[ 1, 5, 1, 9, 5, 1, 4, 9, 2, 6, 4, 7, 0, 4, 0, 1, 2, 2, 1, 5, 8, 5, 7, 0, 5, 1, 6, 2, 0, 9, 8, 1, 4, 8, 9, 9, 0, 5, 5, 6, 3, 3, 9, 8, 8, 6, 8, 9, 3, 4, 3, 5, 6, 3, 8, 8, 5, 1, 9, 2, 1, 5, 1, 6...	[ "nonn", "cons" ]
A268279	[ 50123, 98123, 335123, 352123, 501233, 598123, 1012379, 1060123, 1109123, 1112323, 1112333, 1112339, 1112341, 1112351, 1112359, 1112369, 1112381, 1112383, 1112389, 1236173, 1239001, 1781239, 2471237, 2903123, 3351233, 3412391, 3511237, 3512303, 3512309, 35123...	[ "nonn", "base" ]
A228632	[ 6, 0, 0, 0, 0, 0, 132, 312, 364, 420, 480, 544, 5814, 19152, 44080, 76440, 117348, 167992, 521640, 1686000, 4453800, 9985248, 19352088, 33855528, 76272030, 210339960, 568514208, 1389968448, 3071086788, 6184192000, 13415398920, 33589083960, 88858312814 ...	[ "nonn" ]
A032608	[ 14, 25, 36, 47, 58, 69, 710, 811, 912, 1013, 1114, 1215, 1316, 1417, 1518, 1619, 1720, 1821, 1922, 2023, 2124, 2225, 2326, 2427, 2528, 2629, 2730, 2831, 2932, 3033, 3134, 3235, 3336, 3437, 3538, 3639, 3740, 3841, 3942, 4043, 4144, 424...	[ "nonn", "base" ]
A198833	[ 1, 10, 56, 220, 680, 1771, 4060, 8436, 16215, 29260, 50116, 82160, 129766, 198485, 295240, 428536, 608685, 848046, 1161280, 1565620, 2081156, 2731135, 3542276, 4545100, 5774275, 7268976, 9073260, 11236456, 13813570, 16865705, 20460496, 24672560, 295839...	[ "nonn", "easy" ]
A163268	[ 2, 3, 5, 13, 17, 31, 61, 73, 89, 149, 163, 251, 349, 353, 461, 523, 599, 647, 863, 941, 947, 1087, 1117, 1229, 1277, 1291, 1297, 1409, 1439, 1489, 1567, 1579, 1609, 1627, 1753, 1783, 1831, 2039, 2131, 2293, 2531, 2609, 2753, 2861,...	[ "nonn" ]
A105654	[ 5414, 12704, 13019, 44369, 82949, 98279, 105524, 112199, 115139, 123854, 134249, 134459, 187739, 188744, 210164, 225704, 247169, 256409, 296309, 302084, 367874, 375644, 382889, 399584, 404039, 476339, 487829, 526844, 532094, 566429, 578084 ]	[ "nonn" ]
A230426	[ 0, 0, 0, 1, 1, 0, 2, 0, 1, 1, 0, 3, 0, 1, 1, 2, 2, 0, 1, 1, 1, 1, 1, 0, 2, 0, 1, 1, 0, 3, 0, 1, 1, 2, 4, 0, 1, 1, 2, 2, 0, 1, 1, 1, 1, 1, 0, 3, 0, 1, 1, 2, 0, 3, 1, 1, 3, 0, 2, 1, 1, 2, 3, 0...	[ "nonn" ]
A122120	[ 1, 3, 21, 111, 633, 3531, 19821, 111063, 622641, 3490131, 19564293, 109668351, 614752041, 3446023323, 19316861661, 108281656551, 606978381153, 3402448433571, 19072599164661, 106912432560783, 599303122725081 ]	[ "nonn", "easy" ]
A106916	[ 3, 5, 13, 19, 83, 101, 139, 173, 181, 227, 229, 251, 269, 307, 419, 467, 509, 563, 619, 643, 733, 773, 797, 811, 829, 941, 971, 1021, 1069, 1123, 1181, 1259, 1291, 1307, 1483, 1531, 1613, 1627, 1637, 1669, 1693, 1741, 1861, 1867, ...	[ "nonn", "easy" ]
A252452	[ 323, 959, 3366, 11334, 38966, 134907, 464384, 1603397, 5553753, 19211480, 66422368, 229808142, 795271777, 2751760322, 9521215485, 32945797509, 114006440916, 394517543590, 1365232224566, 4724489737361, 16349870593488 ]	[ "nonn" ]
A006207	[ 1, 1, 0, 1, 1, 2, 2, 3, 4, 6, 8, 11, 16, 23, 32, 46, 66, 94, 136, 195, 282, 408, 592, 856, 1248, 1814, 2646, 3858, 5644, 8246, 12088, 17706, 25992, 38155, 56102, 82490, 121474, 178902, 263776, 389033, 574304, 848069, 1253344, 1852...	[ "nonn" ]
A010136	[ 6, 1, 3, 1, 1, 2, 6, 2, 1, 1, 3, 1, 12, 1, 3, 1, 1, 2, 6, 2, 1, 1, 3, 1, 12, 1, 3, 1, 1, 2, 6, 2, 1, 1, 3, 1, 12, 1, 3, 1, 1, 2, 6, 2, 1, 1, 3, 1, 12, 1, 3, 1, 1, 2, 6, 2, 1, 1, 3, 1, 12, 1, 3...	[ "nonn", "cofr", "easy" ]
A364790	[ 1, 0, 2, 0, 0, 6, 0, 0, 1, 23, 0, 0, 0, 0, 120, 0, 0, 0, 0, 2, 718, 0, 0, 0, 0, 4, 31, 5005, 0, 0, 0, 0, 0, 2, 44, 40274, 0, 0, 0, 0, 0, 0, 4, 284, 362592, 0, 0, 0, 0, 0, 0, 0, 111, 769, 3627920, 0, 0, ...	[ "nonn", "tabl" ]
A375238	[ 5, 9, 22, 35, 65, 63, 70, 62, 82, 110, 75, 143, 130, 169, 142, 186, 170, 194, 230, 284, 234, 195, 147, 345, 238, 245, 323, 290, 286, 294, 285, 334, 430, 534, 458, 255, 385, 434, 390, 418, 374, 399, 441, 526, 518, 382, 748, ...	[ "nonn", "base", "easy" ]
A003617	[ 2, 11, 101, 1009, 10007, 100003, 1000003, 10000019, 100000007, 1000000007, 10000000019, 100000000003, 1000000000039, 10000000000037, 100000000000031, 1000000000000037, 10000000000000060, 100000000000000000, 1000000000000000000, 10000000000000000000 ]	[ "nonn", "nice", "base" ]
A282226	[ 0, 1, 2, 10, 18, 34, 41, 52, 66, 100, 90, 130, 261, 306, 226, 370, 426, 405, 612, 585, 661, 626, 770, 666, 756, 706, 810, 981, 882, 1026, 1266, 1170, 1330, 1530, 1476, 1426, 1881, 1701, 2650, 2410, 2506, 1666, 1386, 2226, 3861, ...	[ "nonn" ]
A312256	[ 1, 4, 8, 14, 16, 20, 30, 30, 36, 34, 44, 50, 52, 60, 60, 68, 64, 82, 76, 86, 84, 90, 106, 96, 104, 110, 116, 126, 118, 128, 130, 136, 144, 146, 152, 152, 152, 172, 166, 180, 164, 182, 190, 190, 196, 192, 206, 212, 204, ...	[ "nonn" ]
A104906	[ 1, 10, 831, 8310 ]	[ "nonn", "base", "more" ]
A086379	[ 1, 2, 4, 6, 11, 22, 28, 66, 82, 112, 114, 121, 123, 129, 132, 136, 141, 147, 156, 163, 165, 174, 189, 192, 198, 211, 213, 219, 231, 235, 237, 253, 268, 273, 279, 286, 291, 297, 312, 316, 321, 325, 327, 334, 343, 345, 349, ...	[ "nonn", "base" ]

A005846

[ 41, 43, 47, 53, 61, 71, 83, 97, 113, 131, 151, 173, 197, 223, 251, 281, 313, 347, 383, 421, 461, 503, 547, 593, 641, 691, 743, 797, 853, 911, 971, 1033, 1097, 1163, 1231, 1301, 1373, 1447, 1523, 1601, 1847, 1933, 2111, 2203, 229...

[ "nonn", "easy" ]

A097780

[ 1, 25, 624, 15575, 388751, 9703200, 242191249, 6045078025, 150884759376, 3766073906375, 94000962899999, 2346257998593600, 58562449001940000, 1461714967049906400, 36484311727245720000, 910646078214093100000 ]

[ "nonn", "easy" ]

A204817

[ 1, 1, 4, 6, 4, 3, 1, 1, 1, 1, 4, 2, 1, 6, 4, 1, 2, 5, 1, 5, 1, 6, 1, 4, 1, 4, 4, 6, 4, 1, 1, 3, 2, 6, 1, 3, 1, 2, 2, 1, 2, 6, 1, 1, 4, 6, 4, 3, 1, 1, 1, 1, 4, 2, 1, 6, 1, 1, 2, 5, 1, 5, 1, 1...

[ "nonn", "easy", "base" ]

A277340

[ 1, 2, 4, 7, 10, 92, 1099, 29530, 281473, 657892, 3313964, 9816013, 18669155396, 94849225930, 358676424226, 957439868543, 1586504109310, 41431374800470, 241469610359708, 256165266592379 ]

[ "nonn" ]

A224208

[ 4096, 1600000, 72105068, 1229044416, 12652618110, 96914926654, 618703866073, 3548209715979, 19271137728483, 102347986047920, 537384393939360, 2776104877172612, 13950578706978266, 67469676772365416, 311817626166418800 ]

[ "nonn" ]

A148158

[ 1, 1, 2, 4, 11, 30, 99, 321, 1125, 3994, 14669, 54883, 210009, 816899, 3221481, 12875307, 51984975, 211956185, 871637092, 3613651770, 15086421954, 63391684221, 267934026055, 1138417265769, 4860596083277, 20847396593292, 89793624085992, 388259714531135, 1684888...

[ "nonn", "walk" ]

A365131

[ 1, 2, 11, 62, 395, 2662, 18720, 135738, 1007607, 7619456, 58488028, 454556544, 3569655975, 28282204680, 225796917864, 1814732935968, 14670580718486, 119215212413412, 973246346463636, 7978384233270126, 65649676250344744, 542031604244083650 ]

[ "nonn" ]

A079408

[ 1, 1, 0, 3, 2, 0, 6, 2, 1, 0, 12, 6, 3, 1, 0, 24, 12, 6, 3, 1, 0, 48, 24, 12, 6, 3, 1, 0, 96, 48, 24, 12, 5, 3, 1, 0, 192, 96, 48, 24, 12, 6, 3, 1, 0, 384, 192, 96, 48, 24, 12, 6, 3, 1, 0, 768, 384, 192...

[ "nonn", "tabl" ]

A003500

[ 2, 4, 14, 52, 194, 724, 2702, 10084, 37634, 140452, 524174, 1956244, 7300802, 27246964, 101687054, 379501252, 1416317954, 5285770564, 19726764302, 73621286644, 274758382274, 1025412242452, 3826890587534, 14282150107684, 53301709843202, 198924689265124 ]

[ "nonn", "easy", "nice" ]

A157337

[ 161, 577, 1249, 2177, 3361, 4801, 6497, 8449, 10657, 13121, 15841, 18817, 22049, 25537, 29281, 33281, 37537, 42049, 46817, 51841, 57121, 62657, 68449, 74497, 80801, 87361, 94177, 101249, 108577, 116161, 124001, 132097, 140449, 149057 ]

[ "nonn", "easy" ]

A336653

[ -1, 1, 3, 20, 160, 1727, 22341, 337947, 5799881, 111180832, 2352448424, 54449597409, 1368516031855, 37118127188225, 1080644471447419, 33614180067524196, 1112586937337721000, 39043623554061200000, 1.4480212978704738e+21, 5.659225612000422e+22, 2.3247069466419726e+24 ]

[ "sign" ]

A384490

[ 41, 61, 109, 149, 241, 269, 389, 409, 449, 569, 601, 641, 701, 821, 929, 1129, 1181, 1201, 1301, 1321, 1429, 1481, 1489, 1609, 1801, 1889, 1901, 1949, 2129, 2141, 2309, 2341, 2381, 2549, 2609, 2741, 2909, 3061, 3109, 3181, 3209, 3221,...

[ "nonn" ]

A140260

[ 0, 4, 10, 19, 33, 54, 85, 132, 202, 307, 465, 702, 1057, 1590, 2389, 3588, 5386, 8083, 12129, 18198, 27301, 40956, 61438, 92161, 138246, 207373, 311064, 466600, 699904, 1049860, 1574794, 2362195, 3543297, 5314950, 7972429, 11958648 ]

[ "nonn" ]

A132802

[ 1, 1, 2, 2, 4, 3, 5, 3, 8, 6, 7, 4, 12, 6, 7, 7, 16, 9, 15, 7, 16, 11, 9, 5, 28, 15, 13, 12, 16, 8, 20, 8, 32, 21, 19, 14, 37, 16, 15, 14, 36, 17, 28, 12, 20, 20, 11, 6, 64, 31, 34, 25, 28, 14, 33, 18, 36...

[ "nonn" ]

A259752

[ 6, 30, 54, 78, 102, 126, 150, 174, 198, 222, 246, 270, 294, 318, 342, 366, 390, 414, 438, 462, 486, 510, 534, 558, 582, 606, 630, 654, 678, 702, 726, 750, 774, 798, 822, 846, 870, 894, 918, 942, 966, 990, 1014, 1038, 1062, 108...

[ "nonn", "easy" ]

A198946

[ 1, 2, 7, 43, 661, 45503, 14835966, 19030289368, 96523753164218, 1826134533496656400, 1.3678293977723534e+23, 3.813454766456596e+28, 4.246478799926393e+34, 1.7620358297453498e+41 ]

[ "nonn" ]

A132580

[ 13, 14, 15, 16, 17, 18, 19, 1192, 1193, 11431, 18738 ]

[ "nonn" ]

A211019

[ 0, 0, 1, 2, 3, 1, 10, 13, 3, 1, 42, 53, 13, 3, 1, 170, 213, 53, 13, 3, 1, 682, 853, 213, 53, 13, 3, 1, 2730, 3413, 853, 213, 53, 13, 3, 1, 10922, 13653, 3413, 853, 213, 53, 13, 3, 1, 43690, 54613, 13653, 3413, 853, 2...

[ "nonn", "tabl" ]

A201492

[ 8, 1454, 301432, 50432052, 6697376240, 732383803600, 68110029402413, 5516712973977104, 396137884984421800, 25563298281912010000, 1.4985432073917754e+21, 8.050174377862244e+22 ]

[ "nonn" ]

A352279

[ 1, 2, 4, 10, 32, 114, 448, 1978, 9472, 48738, 270336, 1595114, 9965568, 65852882, 457326592, 3329243546, 25356271616, 201326396098, 1663597019136, 14279558011850, 127044810702848, 1170023757062450, 11136610150121472, 109395885009537400, 1107781178494025700, 11549900...

[ "nonn" ]

A357163

[ 1, 1, 5, 38, 313, 2834, 27088, 269380, 2757797, 28872568, 307696566, 3326835855, 36403128996, 402370063992, 4485931975701, 50386112677647, 569624341701738, 6476615022560400, 74013180802610160, 849642206122063600, 9793310961240980000, 113297108937174520000 ]

[ "nonn" ]

A130100

[ 1, 8, 9, 25, 32, 64, 81, 121, 225, 289, 441, 512, 729, 841, 1000, 1225, 1521, 1681, 2025, 2048, 2401, 2601, 2744, 3249, 3481, 4096, 4225, 4761, 5041, 5929, 6561, 7569, 7776, 8000, 9025, 9801, 10201, 11025, 11449, 12321, 15625, 16384, ...

[ "nonn" ]

A009587

[ 1, -1, -7, 335, -12367, 461119, -15282199, -15084017, 113205762401, -23353924295169, 3999727786726617, -646193037236457600, 96494362194199970000, -1.0906894032368132e+22, -4.799114207937984e+23, 1.0630723176887934e+27 ]

[ "sign" ]

A078144

[ 844, 1680, 2888, 3624, 5046, 10924, 14748, 15848, 17404, 19940, 22020, 22021, 22624, 23272, 24647, 24648, 25772, 29348, 30248, 30923, 30924, 33172, 36700, 37248, 38724, 39444, 40472, 45372, 47672, 47673, 47724, 47824, 48372, 49488 ]

[ "nonn" ]

A246171

[ 3, 7, 11, 15, 19, 23, 27, 30, 34, 38, 42, 46, 50, 54, 58, 61, 65, 69, 73, 77, 81, 85, 89, 92, 96, 100, 104, 108, 112, 116, 120, 123, 127, 131, 135, 139, 143, 147, 151, 154, 158, 162, 166, 170, 174, 178, 182, 185, 189, ...

[ "nonn", "easy" ]

A088223

[ 1, 2, 3, 12, 93, 1032, 14655, 251688, 5052909, 115925904, 2990175786, 85643490420, 2697023236056, 92629652495280, 3446174110482327, 138077674608686540, 5928227839749417000, 271538262681756170000 ]

[ "nonn" ]

A350723

[ 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 2, 0, 1, 1, 1, 1, 2, 0, 1, 1, 1, 2, 3, 1, 2, 2, 0, 1, 2, 1, 2, 1, 2, 2, 2, 0, 1, 1, 1, 1, 2, 1, 2, 2, 1, 2, 3, 1, 2, 2, 2, 2, 3, 0, 1, 1, 1, 2, 3, 1, 2, 2, 1, 1...

[ "nonn" ]

A229279

[ 0, 5, 40, 275, 1750, 10625, 62500, 359375, 2031250, 11328125, 62500000, 341796875, 1855468750, 10009765625, 53710937500, 286865234375, 1525878906250, 8087158203125, 42724609375000, 225067138671875, 1182556152343750, 6198883056640625, 32424926757812500 ]

[ "nonn", "easy", "changed" ]

A251150

[ 65, 8407, 6441563, 29975340928, 835576868190958, 140510035307275960000, 1.4207603039367863e+26, 8.65077266113416e+32, 3.169861599347231e+40 ]

[ "nonn" ]

A190957

[ 0, 1, 10, 108, 1160, 12464, 133920, 1438912, 15460480, 166116096, 1784844800, 19177376768, 206052526080, 2213944274944, 23787862958080, 255590183780352, 2746204741468160, 29506768884924416, 317037326780989440, 3406427418889289700, 36600572803140813000 ]

[ "nonn", "easy" ]

A251797

[ 36552, 3352272, 294088336, 26787273856, 2446811684440, 224175608341756, 20552060379396424, 1884978485974990300, 172902962249484080000, 1.5861042034905778e+22, 1.4550157544616322e+24 ]

[ "nonn" ]

A231675

[ 0, 1, 17, 98, 354, 979, 980, 996, 1077, 1333, 1958, 3254, 3270, 3351, 3607, 4232, 5528, 7929, 8010, 8266, 8891, 10187, 12588, 16684, 16940, 17565, 18861, 21262, 25358, 31919, 32544, 33840, 36241, 40337, 46898, 56898, 56899, 56915, 56996, ...

[ "nonn", "base" ]

A237095

[ 4783, 66831, 944850, 14756791, 223026701, 3632023790, 56768589375, 943735196093, 15036281517264, 252233217483293, 4064215476420475, 68393558400968160, 1109717372240785400, 18682583733068330000 ]

[ "nonn" ]

A232345

[ 21, 207, 1461, 10503, 77613, 575087, 4251717, 31416759, 232180893, 1716017023, 12682748597, 93735029639, 692772171789, 5120109604943, 37841480302757, 279677127167191, 2067025225364605, 15276877819722016, 112907667250391440 ]

[ "nonn" ]

A313896

[ 1, 5, 10, 16, 21, 27, 33, 37, 42, 48, 54, 59, 63, 69, 75, 80, 86, 91, 96, 101, 106, 112, 117, 123, 129, 133, 138, 144, 150, 155, 159, 165, 171, 176, 182, 187, 192, 197, 202, 208, 213, 219, 225, 229, 234, 240, 246, 251, 2...

[ "nonn" ]

A349224

[ 11, 14, 957, 1334, 1485, 1634, 2685, 4136, 9347, 13915, 16260, 16499, 20145, 29903, 33998, 37236, 42251, 42818, 55308, 56419, 74918, 77748, 79826, 79833, 84134, 86343, 109864, 111506, 122073, 138237, 142116, 147454, 166934, 168739, 178356, 184260...

[ "nonn" ]

A348737

[ 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0...

[ "nonn" ]

A040331

[ 18, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, 1, 2, 2, 2, 1, 36, ...

[ "nonn", "cofr", "easy" ]

A058445

[ 2236081408416666 ]

[ "nonn", "base", "hard", "more", "bref" ]

A018165

[ 1, 1, 3, 5, 10, 18, 32, 57, 101, 181, 324, 577, 1029, 1835, 3271, 5832, 10396, 18532, 33035, 58889, 104976, 187130, 333579, 594639, 1060005, 1889568, 3368348, 6004426, 10703505, 19080094, 34012224, 60630274 ]

[ "nonn" ]

A114174

[ 1, 3, 16, 95, 601, 3951, 26650, 183043, 1274080, 8959268, 63512890, 453227590, 3252065077, 23443729683, 169680654790, 1232381601759, 8977925594880, 65579423363511, 480162707557696, 3523121247341469, 25899477669429040 ]

[ "nonn" ]

A371476

[ 1, 0, 1, 1, 1, 3, 10, 12, 23, 35, 169, 255, 817, 1883, 4702, 10489 ]

[ "nonn", "more" ]

A068806

[ 1, 2, 4, 8, 16, 8192, 16777216, 67108864 ]

[ "nonn", "more" ]

A229861

[ 4, 5, 8, 32, 41, 54, 56, 68, 123, 946, 1494, 1856, 2056, 5186, 6874, 8104, 10419, 17386, 27024, 31100, 84026, 167786, 272089, 733253, 812600, 1188000, 1544579, 2667584, 4921776, 16360708, 21524990, 27914146 ]

[ "nonn", "more" ]

A232680

[ 86, 562, 562, 2985, 13266, 2985, 14027, 252071, 252071, 14027, 59228, 4171291, 18009666, 4171291, 59228, 229332, 60818628, 1103220626, 1103220626, 60818628, 229332, 831604, 797893589, 59208746393, 254263401284, 59208746393, 797893589 ]

[ "nonn", "tabl" ]

A048354

[ 3, 63, 173, 1414, 17313, 53937, 138923, 953937, 3082207, 31622764, 99849687, 301579177, 3033150173, 14142134563, 141413973847, 543315746063, 3098361825223, 5477225574409, 14139412282687, 314896807700437, 412286308285783, 3147904051904219, 9055381813816576, 3114475461360...

[ "nonn", "base" ]

A107204

[ 5, 23, 167, 197, 263, 293, 317, 653, 677, 773, 863, 887, 1277, 1487, 1493, 1583, 1607, 1733, 1823, 1877, 1997, 2063, 2423, 2663, 2687, 2837, 2903, 2957, 3023, 3167, 3413, 3527, 3533, 3623, 3797, 4007, 4133, 4373, 4397, 4493, 4583, 473...

[ "nonn", "easy" ]

A078898

[ 0, 1, 1, 1, 2, 1, 3, 1, 4, 2, 5, 1, 6, 1, 7, 3, 8, 1, 9, 1, 10, 4, 11, 1, 12, 2, 13, 5, 14, 1, 15, 1, 16, 6, 17, 3, 18, 1, 19, 7, 20, 1, 21, 1, 22, 8, 23, 1, 24, 2, 25, 9, 26, 1, 27, 4, 28, 10, 29, ...

[ "nonn" ]

A178199

[ 1, 37, 3, 5, 6, 11, 1438, 31, 9, 29, 18, 45021, 13, 5249, 22, 23, 20, 69, 25, 437, 21, 227643018837677, 42, 141, 50, 19877, 27, 121, 36, 303, 98, 49, 75, 329, 94, 261, 116, 9200543, 39, 87541720241623, 52, 1119, 1402, 510025, 35...

[ "nonn" ]

A163624

[ 2, 5, 10, 11, 15, 18, 19, 21, 25, 26, 28, 35, 37, 38, 40, 44, 46, 47, 49, 51, 53, 54, 57, 58, 61, 63, 64, 68, 71, 72, 73, 75, 77, 80, 81, 86, 93, 102, 105, 106, 107, 112, 114, 116, 119, 120, 126, 127, 128, 130, 138, ...

[ "nonn", "easy" ]

A277570

[ 4, 10, 16, 22, 24, 28, 34, 40, 46, 52, 58, 60, 64, 70, 76, 82, 88, 94, 96, 100, 106, 112, 118, 124, 130, 132, 136, 142, 144, 148, 154, 160, 166, 168, 172, 178, 184, 190, 196, 202, 204, 208, 214, 220, 226, 232, 238, 240, ...

[ "nonn", "easy" ]

A180564

[ 1, 0, 1, 1, 2, 3, 7, 14, 35, 81, 216, 557, 1583, 4444, 13389, 40313, 128110, 409519, 1366479, 4603338, 16064047, 56708713, 206238116, 759535545, 2870002519, 10986716984, 43019064953, 170663829777, 690840124506, 2832976091771, 11831091960887, 500405031850...

[ "nonn" ]

A174382

[ 0, 1, 1, 1, 1, 3, 1, 4, 0, 1, 2, 6, 0, 1, 1, 3, 8, 1, 1, 1, 0, 1, 4, 12, 1, 2, 1, 0, 1, 0, 1, 6, 16, 2, 2, 2, 0, 1, 0, 1, 0, 0, 0, 1, 11, 19, 5, 2, 2, 0, 2, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 19, 2...

[ "easy", "nonn", "tabf", "look" ]

A250053

[ 735, 1299, 2292, 4030, 7054, 12284, 21276, 36654, 65647, 117118, 207970, 367357, 645284, 1127254, 1959943, 3490956, 6215841, 11039715, 19532090, 34400784, 60306267, 105317881, 186769658, 331702865, 588582975, 1041809368, 1837663608 ]

[ "nonn" ]

A276614

[ 0, 7, 26, 21, 14, 63, 59, 52, 47, 40, 33, 124, 115, 110, 103, 96, 89, 84, 77, 70, 215, 208, 201, 194, 187, 183, 176, 171, 164, 157, 150, 145, 138, 131, 342, 339, 330, 318, 311, 304, 299, 292, 285, 278, 274, 267, 262, 255, ...

[ "nonn" ]

A264003

[ 4, 18, 9, 81, 99, 25, 288, 1089, 925, 64, 1024, 8679, 34225, 7304, 169, 3872, 69169, 791245, 833569, 62101, 441, 14641, 568343, 18292729, 50616720, 22819729, 516117, 1156, 54450, 4669921, 457981160, 3073593600, 3817152613, 604028929, 4331090 ]

[ "nonn", "tabl" ]

A224646

[ 3200, 5696, 10304, 19328, 44096, 103232, 250304, 672320, 1832000, 5072000, 14598464, 42259520, 123062720, 363331136, 1075129664, 3188732288, 9504804416, 28357861952, 84686143424, 253379455040, 758408705600, 2270956426880 ]

[ "nonn" ]

A042852

[ 30, 31, 464, 959, 13890, 14849, 904830, 919679, 13780336, 28480351, 412505250, 440985601, 26871641310, 27312626911, 409248418064, 845809463039, 12250580900610, 13096390363649, 798034002719550, 811130393083199, 12153859505884336, 25118849404851870 ]

[ "nonn", "cofr", "frac", "easy" ]

A169888

[ 1, 2, 2, 8, 18, 52, 152, 492, 1618, 5408, 18452, 64132, 225432, 800048, 2865228, 10341208, 37568338, 137270956, 504171584, 1860277044, 6892335668, 25631327688, 95640829924, 357975249028, 1343650267288, 5056424257552, 19073789328752, 72108867620204 ]

[ "nonn" ]

A271623

[ 7, 50, 25, 176, 88, 44, 22, 11, 78, 39, 274, 137, 960, 480, 240, 120, 60, 30, 15, 106, 53, 372, 186, 93, 652, 326, 163, 1142, 571, 3998, 1999, 13994, 6997, 48980, 24490, 12245, 85716, 42858, 21429, 150004, 75002, 37501, 262508, 13...

[ "nonn", "easy" ]

A133412

[ 5, 7, 0, 24, 0, 36, 0, 23, 0, 60, 0, 0, 37, 0, 84, 47, 0, 53, 0, 0, 120, 0, 67, 144, 0, 79, 83, 0, 0, 89, 0, 0, 0, 301, 216, 113, 0, 0, 0, 0, 0, 127, 131, 0, 276, 0, 0, 0, 0, 300, 157, 0, 0, 163, 167, 173, ...

[ "nonn" ]

A261566

[ 1, -2, 0, -6, 16, -18, 48, -94, 208, -426, 752, -1646, 3360, -6578, 13056, -26358, 53456, -105890, 211392, -424366, 850544, -1699290, 3393136, -6795646, 13601184, -27188130, 54358000, -108752870, 217552976, -435033618, 869999584, -1740145118, 348049758...

[ "sign" ]

A173177

[ 2, 5, 8, 14, 17, 20, 29, 32, 35, 38, 47, 50, 53, 62, 68, 74, 77, 80, 89, 95, 98, 104, 110, 113, 119, 134, 137, 140, 152, 155, 164, 167, 173, 182, 185, 188, 197, 203, 209, 215, 218, 227, 230, 242, 248, 260, 269, 272, 284,...

[ "nonn", "uned" ]

A351749

[ 0, 5, 28, 5, 3126, 33, 823544, 5, 28, 3131, 285311670612, 33, 302875106592254, 823549, 3154, 5, 827240261886336800000, 33, 1.9784196556603136e+24, 3131, 823572, 285311670617, 2.088046799984791e+31, 33, 3126, 302875106592259 ]

[ "nonn" ]

A380459

[ 1, 2, 2, 12, 2, 18, 2, 1296, 48, 54, 2, 1620, 2, 30, 108, 25194240, 2, 4050, 2, 131220, 60, 270, 2, 12150000, 576, 150, 3317760, 67500, 2, 33750, 2, 142818689064960000, 540, 1350, 180, 2050312500, 2, 750, 300, 1195742250000, 2, 281250...

[ "nonn" ]

A221093

[ 0, 4096, 4244238, 18736955689, 47632473997312, 137999718103495700, 376959882525471500000, 1.0472764972346005e+24, 2.88202979336707e+27 ]

[ "nonn" ]

A155315

[ 1, 7, 19, 37, 61, 503, 4407, 23093, 93285, 817543, 14192015, 204195517, 2243020429, 32774055967, 863753860919, 27738606644581, 798910205504069, 24797177099870104 ]

[ "nonn" ]

A264448

[ 0, 391, 910, 1575, 2405, 3420, 4641, 6090, 7790, 9765, 12040, 14641, 17595, 20930, 24675, 28860, 33516, 38675, 44370, 50635, 57505, 65016, 73205, 82110, 91770, 102225, 113516, 125685, 138775, 152830, 167895, 184016, 201240, 219615, 239190, 260015...

[ "nonn", "easy" ]

A104592

[ 1, 120, 10920, 988960, 99706320, 11897978400, 1729153068720, 306003079514880, 64657337524631280, 15890834362452490000, 4.4353967002164055e+21, 1.379778057502075e+24, 4.7168935695879164e+26 ]

[ "nonn" ]

A335006

[ 1, 1, 4, 7, 1, 7, 6, 6, 5, 7, 9, 9, 6, 0, 6, 5, 6, 6, 7, 0, 0, 6, 3, 7, 6, 4, 5, 0, 1, 0, 2, 1, 3, 2, 4, 3, 3, 4, 4, 5, 6, 4, 1, 6, 1, 6, 7, 4, 6, 8, 5, 4, 5, 7, 8, 3, 6, 3, 9, 6, 4, 5, 9, 5...

[ "nonn", "cons" ]

A346416

[ 5, 11, 13, 17, 19, 37, 41, 43, 47, 59, 71, 89, 103, 109, 113, 137, 139, 149, 163, 167, 173, 179, 181, 241, 269, 313, 337, 379, 389, 401, 491, 499, 521, 547, 557, 569, 587, 599, 607, 613, 617, 631, 643, 673, 677, 701, 739, ...

[ "nonn" ]

A287439

[ 2, 4, 7, 12, 22, 38, 68, 120, 212, 376, 664, 1176, 2080, 3680, 6512, 11520, 20384, 36064, 63808, 112896, 199744, 353408, 625280, 1106304, 1957376, 3463168, 6127360, 10841088, 19181056, 33936896, 60044288, 106235904, 187962368, 332560384, 588396544 ...

[ "nonn", "easy" ]

A008420

[ 1, 20, 200, 1340, 6800, 28004, 97880, 299660, 822560, 2060980, 4780008, 10377180, 21278640, 41517060, 77548920, 139380012, 242080320, 407782740, 668274440, 1068305020, 1669752016, 2556801700, 3842321560, 5675620300 ]

[ "nonn", "easy" ]

A119919

[ 1, 2, 3, 4, 6, 9, 8, 12, 18, 21, 16, 24, 36, 42, 51, 32, 48, 72, 84, 102, 105, 64, 96, 144, 168, 204, 210, 231, 128, 192, 288, 336, 408, 420, 462, 471, 256, 384, 576, 672, 816, 840, 924, 942, 975, 512, 768, 1152, 1344, ...

[ "nonn", "base", "easy", "tabl" ]

A149258

[ 1, 1, 4, 11, 39, 141, 531, 2055, 8184, 33072, 135841, 564960, 2375302, 10076779, 43089130, 185560423, 804020555, 3502720054, 15334927573, 67435970381, 297735390506, 1319311878971, 5865676338727, 26158787600870, 116986315652226, 524545274062845, 2357659835110416, ...

[ "nonn", "walk" ]

A193677

[ 1, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 2, 4, 4, 3, 4, 4, 4, 5, 5, 4, 5, 6, 4, 6, 7, 4, 7, 8, 6, 8, 6, 6, 9, 9, 6, 8, 10, 6, 10, 10, 6, 11, 11, 8, 11, 10, 8, 12, 13, 9, 10, 12, 10, 14, 14, 8, 15...

[ "nonn" ]

A088177

[ 1, 1, 2, 2, 3, 1, 5, 2, 4, 3, 3, 5, 4, 4, 6, 3, 7, 1, 11, 2, 7, 4, 8, 5, 5, 6, 6, 7, 5, 9, 3, 11, 4, 12, 5, 10, 7, 7, 8, 8, 9, 6, 11, 5, 13, 1, 17, 2, 13, 3, 17, 4, 13, 6, 14, 7, 9, 9, 10, 8, 11, ...

[ "nonn", "nice" ]

A378558

[ 1, 16, 256, 65536, 16777216, 1099511627776 ]

[ "nonn", "base", "hard", "more" ]

A275621

[ 1, 1, 2, 7, 38, 182, 1214, 8386, 86448, 1103114 ]

[ "nonn", "more" ]

A004022

[ 11, 1111111111111111200, 1.1111111111111111e+22 ]

[ "nonn", "nice", "bref" ]

A199736

[ 1, 5, 1, 9, 5, 1, 4, 9, 2, 6, 4, 7, 0, 4, 0, 1, 2, 2, 1, 5, 8, 5, 7, 0, 5, 1, 6, 2, 0, 9, 8, 1, 4, 8, 9, 9, 0, 5, 5, 6, 3, 3, 9, 8, 8, 6, 8, 9, 3, 4, 3, 5, 6, 3, 8, 8, 5, 1, 9, 2, 1, 5, 1, 6...

[ "nonn", "cons" ]

A268279

[ 50123, 98123, 335123, 352123, 501233, 598123, 1012379, 1060123, 1109123, 1112323, 1112333, 1112339, 1112341, 1112351, 1112359, 1112369, 1112381, 1112383, 1112389, 1236173, 1239001, 1781239, 2471237, 2903123, 3351233, 3412391, 3511237, 3512303, 3512309, 35123...

[ "nonn", "base" ]

A228632

[ 6, 0, 0, 0, 0, 0, 132, 312, 364, 420, 480, 544, 5814, 19152, 44080, 76440, 117348, 167992, 521640, 1686000, 4453800, 9985248, 19352088, 33855528, 76272030, 210339960, 568514208, 1389968448, 3071086788, 6184192000, 13415398920, 33589083960, 88858312814 ...

[ "nonn" ]

A032608

[ 14, 25, 36, 47, 58, 69, 710, 811, 912, 1013, 1114, 1215, 1316, 1417, 1518, 1619, 1720, 1821, 1922, 2023, 2124, 2225, 2326, 2427, 2528, 2629, 2730, 2831, 2932, 3033, 3134, 3235, 3336, 3437, 3538, 3639, 3740, 3841, 3942, 4043, 4144, 424...

[ "nonn", "base" ]

A198833

[ 1, 10, 56, 220, 680, 1771, 4060, 8436, 16215, 29260, 50116, 82160, 129766, 198485, 295240, 428536, 608685, 848046, 1161280, 1565620, 2081156, 2731135, 3542276, 4545100, 5774275, 7268976, 9073260, 11236456, 13813570, 16865705, 20460496, 24672560, 295839...

[ "nonn", "easy" ]

A163268

[ 2, 3, 5, 13, 17, 31, 61, 73, 89, 149, 163, 251, 349, 353, 461, 523, 599, 647, 863, 941, 947, 1087, 1117, 1229, 1277, 1291, 1297, 1409, 1439, 1489, 1567, 1579, 1609, 1627, 1753, 1783, 1831, 2039, 2131, 2293, 2531, 2609, 2753, 2861,...

[ "nonn" ]

A105654

[ 5414, 12704, 13019, 44369, 82949, 98279, 105524, 112199, 115139, 123854, 134249, 134459, 187739, 188744, 210164, 225704, 247169, 256409, 296309, 302084, 367874, 375644, 382889, 399584, 404039, 476339, 487829, 526844, 532094, 566429, 578084 ]

[ "nonn" ]

A230426

[ 0, 0, 0, 1, 1, 0, 2, 0, 1, 1, 0, 3, 0, 1, 1, 2, 2, 0, 1, 1, 1, 1, 1, 0, 2, 0, 1, 1, 0, 3, 0, 1, 1, 2, 4, 0, 1, 1, 2, 2, 0, 1, 1, 1, 1, 1, 0, 3, 0, 1, 1, 2, 0, 3, 1, 1, 3, 0, 2, 1, 1, 2, 3, 0...

[ "nonn" ]

A122120

[ 1, 3, 21, 111, 633, 3531, 19821, 111063, 622641, 3490131, 19564293, 109668351, 614752041, 3446023323, 19316861661, 108281656551, 606978381153, 3402448433571, 19072599164661, 106912432560783, 599303122725081 ]

[ "nonn", "easy" ]

A106916

[ 3, 5, 13, 19, 83, 101, 139, 173, 181, 227, 229, 251, 269, 307, 419, 467, 509, 563, 619, 643, 733, 773, 797, 811, 829, 941, 971, 1021, 1069, 1123, 1181, 1259, 1291, 1307, 1483, 1531, 1613, 1627, 1637, 1669, 1693, 1741, 1861, 1867, ...

[ "nonn", "easy" ]

A252452

[ 323, 959, 3366, 11334, 38966, 134907, 464384, 1603397, 5553753, 19211480, 66422368, 229808142, 795271777, 2751760322, 9521215485, 32945797509, 114006440916, 394517543590, 1365232224566, 4724489737361, 16349870593488 ]

[ "nonn" ]

A006207

[ 1, 1, 0, 1, 1, 2, 2, 3, 4, 6, 8, 11, 16, 23, 32, 46, 66, 94, 136, 195, 282, 408, 592, 856, 1248, 1814, 2646, 3858, 5644, 8246, 12088, 17706, 25992, 38155, 56102, 82490, 121474, 178902, 263776, 389033, 574304, 848069, 1253344, 1852...

[ "nonn" ]

A010136

[ 6, 1, 3, 1, 1, 2, 6, 2, 1, 1, 3, 1, 12, 1, 3, 1, 1, 2, 6, 2, 1, 1, 3, 1, 12, 1, 3, 1, 1, 2, 6, 2, 1, 1, 3, 1, 12, 1, 3, 1, 1, 2, 6, 2, 1, 1, 3, 1, 12, 1, 3, 1, 1, 2, 6, 2, 1, 1, 3, 1, 12, 1, 3...

[ "nonn", "cofr", "easy" ]

A364790

[ 1, 0, 2, 0, 0, 6, 0, 0, 1, 23, 0, 0, 0, 0, 120, 0, 0, 0, 0, 2, 718, 0, 0, 0, 0, 4, 31, 5005, 0, 0, 0, 0, 0, 2, 44, 40274, 0, 0, 0, 0, 0, 0, 4, 284, 362592, 0, 0, 0, 0, 0, 0, 0, 111, 769, 3627920, 0, 0, ...

[ "nonn", "tabl" ]

A375238

[ 5, 9, 22, 35, 65, 63, 70, 62, 82, 110, 75, 143, 130, 169, 142, 186, 170, 194, 230, 284, 234, 195, 147, 345, 238, 245, 323, 290, 286, 294, 285, 334, 430, 534, 458, 255, 385, 434, 390, 418, 374, 399, 441, 526, 518, 382, 748, ...

[ "nonn", "base", "easy" ]

A003617

[ 2, 11, 101, 1009, 10007, 100003, 1000003, 10000019, 100000007, 1000000007, 10000000019, 100000000003, 1000000000039, 10000000000037, 100000000000031, 1000000000000037, 10000000000000060, 100000000000000000, 1000000000000000000, 10000000000000000000 ]

[ "nonn", "nice", "base" ]

A282226

[ 0, 1, 2, 10, 18, 34, 41, 52, 66, 100, 90, 130, 261, 306, 226, 370, 426, 405, 612, 585, 661, 626, 770, 666, 756, 706, 810, 981, 882, 1026, 1266, 1170, 1330, 1530, 1476, 1426, 1881, 1701, 2650, 2410, 2506, 1666, 1386, 2226, 3861, ...

[ "nonn" ]

A312256

[ 1, 4, 8, 14, 16, 20, 30, 30, 36, 34, 44, 50, 52, 60, 60, 68, 64, 82, 76, 86, 84, 90, 106, 96, 104, 110, 116, 126, 118, 128, 130, 136, 144, 146, 152, 152, 152, 172, 166, 180, 164, 182, 190, 190, 196, 192, 206, 212, 204, ...

[ "nonn" ]

A104906

[ 1, 10, 831, 8310 ]

[ "nonn", "base", "more" ]

A086379

[ 1, 2, 4, 6, 11, 22, 28, 66, 82, 112, 114, 121, 123, 129, 132, 136, 141, 147, 156, 163, 165, 174, 189, 192, 198, 211, 213, 219, 231, 235, 237, 253, 268, 273, 279, 286, 291, 297, 312, 316, 321, 325, 327, 334, 343, 345, 349, ...

[ "nonn", "base" ]