id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A103908
[ 0, 16, 16, 4, 12, 8, 148, 288, 140, 492, 128, 320, 236, 440, -1040, -640, 2224, -948, -512, -456, 2392, -1464, -2868, 6196, -4752, -2152, 5728, -968, -3240, -460, 7328, -7320, -5008, 12936, -3672, -5064, -1856, 13876, -8652, -15376 ]
[ "sign" ]
A210642
[ 2, 2, 3, 4, 5, 9, 7, 13, 17, 17, 11, 13, 13, 19, 23, 17, 17, 29, 19, 23, 31, 31, 23, 41, 31, 29, 31, 37, 29, 31, 31, 37, 41, 41, 59, 37, 37, 59, 43, 41, 41, 59, 43, 67, 53, 53, 47, 53, 67, 59, 61, 53, 53, 79, 59, 59, 67, 73, 59, 67 ]
[ "nonn" ]
A105810
[ 1, -1, 1, 0, -2, 1, 1, 2, -3, 1, -2, -1, 5, -4, 1, 3, -1, -6, 9, -5, 1, -4, 4, 5, -15, 14, -6, 1, 5, -8, -1, 20, -29, 20, -7, 1, -6, 13, -7, -21, 49, -49, 27, -8, 1, 7, -19, 20, 14, -70, 98, -76, 35, -9, 1, -8, 26, -39, 6, 84, -168, 174, -111, 44, -10, 1, 9, -34, 65, -45, -78, 252, -342, 285, -155, 54, -11, 1 ]
[ "easy", "sign", "tabl" ]
A178541
[ 19, 73, 163, 193, 883, 1153, 1459, 1801, 2179, 2593, 3001, 3529, 4051, 8233, 8713, 10369, 11251, 12289, 15139, 17299, 17497, 18433, 19603, 20809, 22051, 24001, 30259, 34849, 36451, 46819, 48673, 52489, 62659, 69193, 71443, 80803, 81001 ]
[ "nonn" ]
A080124
[ 29844570422669, 58478215681891, 86688602810119, 114630988904000, 142377417196364, 169969662554551, 197434994078331, 224792606318600, 252056733453928, 279238341033925, 306346140642929, 333387204489157 ]
[ "nonn" ]
A330736
[ 21, 24, 42, 69, 84, 105, 115, 120, 138, 168, 171, 201, 207, 210, 225, 230, 276, 301, 329, 342, 345, 402, 407, 414, 420, 450, 451, 460, 473, 483, 505, 515, 602, 603, 605, 639, 658, 684, 690, 759, 804, 805, 814, 828, 840, 855, 869, 891, 897, 900, 902, 903, 913, 920, 946, 966, 987, 1005, 1010, 1030, 1035, 1173, 1197 ]
[ "nonn" ]
A102320
[ 1, 1, 3, 4, 9, 5, 33, 72, 25, 7, 436, 945, 300, 49, 9, 8122, 17568, 5425, 784, 81, 11, 197920, 427770, 130700, 18081, 1620, 121, 13, 6007205, 12979080, 3947050, 535864, 45441, 2904, 169, 15, 219413116, 473981445, 143812400, 19348042, 1599588, 95953 ]
[ "nonn", "tabl" ]
A060901
[ 1, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 9, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 9, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 27, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 9, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 9, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 27, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 9, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1 ]
[ "nonn", "easy" ]
A045689
[ 1, 1, 1, 30, 756, 75600, 7392, 54486432000, 4358914560, 1905468364800, 7602818775552000, 6690480522485760000, 4.6164315605151745e+21, 2.2685144688371567e+26, 1.2703681025488077e+26, 2.2104404984349255e+30, 6.460801799711225e+32 ]
[ "nonn" ]
A362259
[ 1, 1, 1, 1, 4, 20, 277, 7855, 487662 ]
[ "nonn", "more" ]
A213619
[ 1, 2, 65536 ]
[ "nonn", "bref" ]
A320875
[ 0, 1, 2, 1, 3, 8, 2, 0, 6, 4, 66, 16, 20, 0, 6, 1, 2720, 0, 32, 0, 164, 8, 0, 524288, 153, 3573184, 2097152, 7354396, 19436, 4517888, 672, 0, 174080, 0, 262146, 1984, 48, 0, 4194296, 79, 30720, 128, 1825866, 4188889, 194396, 27227248, 0, 16384, 723, 0, 265227072, 22771712, 13982720, 134217728, 59885796, 587144, 19436, 0, 17179869152, 8388608 ]
[ "nonn" ]
A005459
[ 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 20, 21, 28, 30, 35, 36, 60, 84, 156 ]
[ "nonn", "fini", "full" ]
A033238
[ 59, 317, 383, 461, 547, 631, 677, 727, 787, 953, 1511, 1619, 1823, 2131, 2293, 2467, 2647, 2749, 2837, 2927, 2969, 3467, 3659, 3779, 4001, 4217, 4391, 4783, 4933, 5179, 5297, 5431, 5563, 5801, 5807 ]
[ "nonn", "easy" ]
A376888
[ 1, 3, 4, 5, 6, 12, 8, 15, 10, 18, 12, 20, 14, 24, 24, 21, 18, 30, 20, 30, 32, 36, 24, 60, 26, 42, 40, 40, 30, 72, 32, 63, 48, 54, 48, 50, 38, 60, 56, 90, 42, 96, 44, 60, 60, 72, 48, 84, 50, 78, 72, 70, 54, 120, 72, 120, 80, 90, 60, 120, 62, 96, 80, 65, 84, 144 ]
[ "nonn", "easy", "mult", "base" ]
A299411
[ 1, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 19, 21, 22, 24, 25, 27, 28, 29, 31, 32, 33, 35, 36, 38, 39, 41, 42, 44, 45, 47, 48, 50, 51, 53, 54, 56, 58, 59, 61, 62, 64, 66, 67, 69, 70, 72, 73, 75, 76, 78, 79, 81, 82, 84, 85, 87, 88, 90, 91, 93, 94, 96, 97, 99, 100 ]
[ "nonn", "easy" ]
A159488
[ 1, 2, -334, -2020, 334636, 3400312, -558734216, -8013301168, 1305938552720, 24279843463712, -3924105390446816, -89914081688240200, 14409995678304782000, 393511506684111750000, -6.253049799710299e+22, -1.987157445623423e+24, 3.130553099540653e+26 ]
[ "sign", "frac" ]
A196798
[ 3, 65, 698, 7407, 79003, 834632, 8882811, 94530039, 1004745630, 10681187595, 113575660599, 1207591084696, 12839042473735, 136508257135233, 1451400786295740, 15431631832722252, 164072914020649470 ]
[ "nonn" ]
A276664
[ 2, 1, 6, 9, 11, 11, 23, 15, 29, 23, 27, 35, 35, 33, 41, 59, 71, 59, 69, 59, 71, 87, 89, 95, 95, 95, 117, 101, 107, 119, 129, 131, 119, 135, 155, 171, 179, 153, 185, 179, 167, 191, 179, 167, 179, 207, 195, 213, 221, 215, 239, 215, 227, 251, 263, 245, 251, 291, 251 ]
[ "nonn" ]
A043264
[ 0, 1, 2, 3, 4, 2, 4, 6, 8, 2, 3, 4, 5, 6, 4, 5, 6, 7, 8, 6, 7, 8, 9, 10, 8, 9, 10, 11, 12, 2, 4, 6, 8, 10, 4, 6, 8, 10, 12, 6, 8, 10, 12, 14, 8, 10, 12, 14, 16, 2, 3, 4, 5, 6, 4, 5, 6, 7, 8, 6, 7, 8, 9, 10, 8, 9, 10, 11, 12, 10, 11, 12, 13, 14, 4, 5, 6, 7, 8, 6 ]
[ "nonn", "base" ]
A062685
[ 1, 0, 0, 4, 0, 0, 16, 0, 9, 64, 0, 0, 49, 0, 0, 169, 0, 576, 289, 0, 0, 1849, 0, 0, 4489, 0, 3969, 17956, 0, 0, 6889, 0, 0, 27889, 0, 69696, 98596, 0, 0, 97969, 0, 0, 499849, 0, 1887876, 698896, 0, 0, 2778889, 0, 0, 4999696, 0, 9696996, 19998784, 0, 0 ]
[ "base", "nonn" ]
A246357
[ 1, 4, 8, 10, 11, 14, 15, 21, 25, 38, 42, 47, 51, 54, 55, 59, 60, 63, 64, 70, 72, 78, 83, 85, 86, 92, 100, 107, 109, 119, 121, 128, 134, 136, 147, 148, 150, 153, 157, 162, 168, 169, 173, 182, 183, 184, 198, 200, 209, 211, 214, 215, 218, 226, 227, 229, 241 ]
[ "nonn", "easy", "base" ]
A191851
[ 0, 1, 2, 3, 4, 5, 8, 9, 13, 14, 17, 21, 22, 23, 26, 30, 34, 35, 37, 43, 47, 51, 55, 57, 60, 69, 77, 81, 85, 89, 92, 97, 112, 124, 132, 136, 140, 144, 149, 157, 181, 201, 213, 221, 225, 229, 233, 241, 254, 293, 325, 345, 357, 365, 369, 373, 377, 390, 411, 474 ]
[ "nonn" ]
A066065
[ 3, 7, 3, 3, 3, 7, 3, 3, 3, 3, 3, 3, 11, 3, 23, 23, 3, 3, 3, 29, 3, 7, 11, 23, 7, 3, 3, 11, 3, 11, 7, 47, 3, 13, 3, 31, 31, 7, 29, 3, 11, 19, 3, 3, 3, 3, 3, 7, 3, 3, 3, 3, 7, 11, 17, 3, 3, 3, 7, 11, 3, 11, 13, 23, 7, 23, 3, 3, 29, 13, 3, 3, 3, 3, 3, 3, 17, 19, 3, 3, 11, 7, 17, 7, 7, 71, 3, 37, 41 ]
[ "base", "nonn" ]
A083329
[ 1, 2, 5, 11, 23, 47, 95, 191, 383, 767, 1535, 3071, 6143, 12287, 24575, 49151, 98303, 196607, 393215, 786431, 1572863, 3145727, 6291455, 12582911, 25165823, 50331647, 100663295, 201326591, 402653183, 805306367, 1610612735, 3221225471, 6442450943 ]
[ "easy", "nonn" ]
A026039
[ 2, 4, 8, 13, 21, 31, 44, 61, 81, 106, 135, 169, 209, 254, 306, 364, 429, 502, 582, 671, 768, 874, 990, 1115, 1251, 1397, 1554, 1723, 1903, 2096, 2301, 2519, 2751, 2996, 3256, 3530, 3819, 4124, 4444, 4781, 5134, 5504, 5892, 6297, 6721, 7163, 7624, 8105, 8605, 9126, 9667, 10229, 10813, 11418, 12046, 12696, 13369 ]
[ "nonn" ]
A029043
[ 1, 1, 1, 2, 2, 3, 4, 4, 5, 6, 7, 9, 10, 11, 13, 15, 17, 19, 21, 23, 26, 29, 32, 35, 38, 42, 46, 50, 54, 58, 63, 68, 73, 79, 84, 90, 97, 103, 110, 117, 124, 132, 140, 148, 157, 166, 175, 185, 195, 205, 216, 227, 238, 250 ]
[ "nonn", "easy" ]
A155709
[ 22, 33, 73, 88, 97, 118, 121, 132, 150, 166, 177, 193, 198, 214, 225, 241, 249, 262, 292, 294, 297, 313, 321, 337, 352, 358, 388, 393, 409, 433, 438, 441, 454, 457, 472, 484, 502, 528, 537, 550, 577, 582, 600, 601, 649, 657, 664, 673, 681, 694, 708, 726, 753 ]
[ "easy", "nonn" ]
A068586
[ 1, 2, 3, 4, 5, 9, 10, 11, 12, 13, 14, 15, 16, 17, 27, 28, 29, 30, 31, 32, 88, 89, 90, 91, 92 ]
[ "dead" ]
A291876
[ 2, 6, 12, 20, 32, 48, 66, 90, 122, 158, 206, 260, 324, 396, 492, 600, 728, 872, 1034, 1226, 1442, 1698, 1986, 2310, 2694, 3126, 3612, 4124, 4700, 5348, 6116, 6980, 7952, 8976, 10128, 11424, 12882, 14418, 16146, 18090, 20138, 22442, 25034, 27950, 31022, 34478, 38366 ]
[ "nonn" ]
A208452
[ 1, 1, 2, 4, 10, 23, 63, 154, 446, 1135, 3416, 8947, 27712, 74204, 235041, 640552, 2065849, 5711840, 18696838, 52321747, 173413647, 490279035, 1642287831, 4684178185, 15834649146, 45511151647, 155077912223, 448722569787, 1539743907074, 4481866870316, 15474663284941 ]
[ "nonn" ]
A120613
[ 0, 1, 1, 3, 4, 4, 6, 6, 8, 9, 9, 11, 12, 12, 14, 14, 16, 17, 17, 19, 19, 21, 22, 22, 24, 25, 25, 27, 27, 29, 30, 30, 32, 33, 33, 35, 35, 37, 38, 38, 40, 40, 42, 43, 43, 45, 46, 46, 48, 48, 50, 51, 51, 53, 53, 55, 56, 56, 58, 59, 59, 61, 61, 63, 64, 64, 66, 67, 67, 69, 69, 71, 72 ]
[ "nonn" ]
A303173
[ 1, -1, 0, 4, -7, 0, 13, 10, -92, 21, 720, -2019, 1193, 6281, -18054, 16111, 11059, -14653, -57685, -86620, 1281406, -3454742, 2383734, 9409968, -30397071, 43327680, -56130326, 128981571, -73487834, -1219918457, 5059678044, -7826243881, -4131571113, 38850603452 ]
[ "sign" ]
A237349
[ 1, 3, 5, 11, 13, 29, 31, 55, 61, 77, 79, 367, 369, 385, 401, 521, 523, 811, 813, 1101, 1117, 1133, 1135, 10351, 10357, 10373, 10397, 10685, 10687, 14783, 14785, 15505, 15521, 15537, 15553, 62209, 62211, 62227, 62243, 71459, 71461, 75557, 75559, 75847, 76135 ]
[ "nonn", "easy" ]
A248870
[ 0, 1, 1, 3, 8, 23, 62, 181, 513, 1513, 4476, 13483, 40933, 125845, 389769, 1217590, 3828775, 12115966, 38546124, 123238296, 395725493, 1275733730, 4127339091, 13396443708, 43610621823, 142354979662, 465838195260, 1527905193504, 5022061115901, 16539625666670, 54571760414658 ]
[ "nonn" ]
A069676
[ 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 113, 211, 311, 313, 317, 419, 613, 617, 619, 719, 811, 911, 919, 1117, 2111, 2113, 3119, 4111, 5113, 5119, 6113, 8111, 8117, 11113, 11117, 11119, 41113, 41117, 71119 ]
[ "nonn", "base" ]
A244919
[ 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 ]
[ "nonn" ]
A371818
[ 1, 2, 6, 19, 64, 224, 805, 2947, 10934, 40975, 154738, 587910, 2244681, 8605061, 33099767, 127687258, 493796454, 1913755319, 7431027611, 28902878561, 112585961052, 439148770623, 1715009647444, 6705019714554, 26240361155821, 102787164654287, 402972015656065 ]
[ "nonn" ]
A310297
[ 1, 3, 8, 13, 16, 21, 26, 27, 32, 39, 43, 50, 55, 55, 58, 61, 65, 74, 81, 85, 88, 89, 89, 94, 103, 109, 116, 121, 119, 120, 125, 129, 138, 147, 149, 152, 153, 153, 160, 167, 173, 180, 183, 183, 186, 191, 195, 202, 209, 211 ]
[ "nonn" ]
A374403
[ 0, 2, 2, 2, 5, 7, 13, 23, 43, 75, 137, 255, 464, 872, 1612, 3030, 5709, 10749, 20390, 38635, 73586, 140336, 268216, 513708, 985818, 1894120, 3645744, 7027290, 13561907, 26207278, 50697537, 98182656, 190335585, 369323305, 717267168, 1394192236, 2712103833, 5279763824 ]
[ "nonn" ]
A154101
[ 2, 5, 13, 34, 65, 130, 185, 193, 205, 260, 338, 482, 865, 901, 970, 1325, 1352, 1450, 1469, 1490, 1825, 1928, 2701, 3077, 3604, 3757, 4234, 4250, 4637, 5245, 5465, 5525, 6649, 6722, 7300, 7514, 7585, 7930, 8066, 8109, 10370, 10685, 10804, 11125, 12545 ]
[ "nonn" ]
A087655
[ 1, 1, 1, 3, 7, 9, 5, 3, 13, 13, 5, 7, 13, 19, 7, 15, 15, 7, 13, 25, 25, 15, 5, 27, 39, 39, 15, 23, 41, 17, 35, 21, 23, 19, 41, 35, 11, 17, 41, 47, 37, 15, 35, 59, 49, 19, 31, 57, 27, 23, 59, 85, 47, 47, 23, 49, 35, 59, 41, 53, 29, 61, 33, 77, 31, 69, 49, 25, 85, 81, 51, 51, 33, 47 ]
[ "nonn" ]
A112981
[ 1, 1, 1, 3, 29, 24417, 14557168544129, 3.0848264145960745e+39 ]
[ "easy", "nonn" ]
A106271
[ 1, 0, -2, -7, -21, -63, -195, -624, -2054, -6916, -23712, -82498, -290510, -1033410, -3707850, -13402695, -48760365, -178405155, -656043855, -2423307045, -8987427465, -33453694485, -124936258125, -467995871775, -1757900019099, -6619846420551, -24987199492703 ]
[ "easy", "sign" ]
A218709
[ 0, 5, 70, 239, 239, 143044, 1999509, 6826318, 6826318, 822557039, 52199939826, 603633907222, 11356596271444, 11356596271444, 1828607235824962, 13920898306972194, 13920898306972194, 2675587335039692000, 49226908181248336000, 513050126578538640000 ]
[ "nonn" ]
A029781
[ 0, 1, 25, 36, 100, 121, 625, 2500, 3025, 3600, 4096, 4356, 5776, 9801, 10000, 10201, 12100, 12321, 12544, 13225, 13456, 15625, 50625, 62500, 75625, 82944, 104329, 141376, 164025, 249001, 250000, 251001, 252004, 275625, 302500 ]
[ "nonn", "base" ]
A292898
[ 1, 1, 0, 3, 2, 1, 8, 7, 5, 2, 31, 30, 27, 20, 9, 147, 146, 142, 129, 97, 44, 853, 852, 847, 826, 755, 574, 265, 5824, 5823, 5817, 5786, 5652, 5187, 3973, 1854, 45741, 45740, 45733, 45690, 45463, 44462, 40923, 31520, 14833 ]
[ "nonn", "tabl" ]
A231892
[ 1, 4, 3, 8, 2, 5, 11, 6, 13, 17, 14, 18, 15, 16, 7, 9, 10, 12, 19, 20, 21, 22, 24, 23, 32, 27, 33, 25, 26, 28, 34, 29, 35, 30, 36, 31, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48, 47, 49, 50, 51 ]
[ "nonn", "base" ]
A052653
[ 1, 1, 2, 18, 120, 1320, 15120, 216720, 3427200, 62052480, 1237420800, 27263174400, 653837184000, 17005993804800, 476080648243200, 14283727121664000, 457058345103360000, 15540339420942336000 ]
[ "easy", "nonn" ]
A294084
[ 0, 1, 2, 8, 41, 240, 1528, 10312, 72647, 528992, 3954488, 30201504, 234798627, 1853076528, 14814453896, 119763949936, 977709717091, 8050816106176, 66803956281592, 558146870481760, 4692269111973668, 39669049950811330, 337082395954643200, 2877697636252004400, 24672447821197836000 ]
[ "nonn", "changed" ]
A310863
[ 1, 4, 7, 14, 16, 23, 24, 29, 32, 40, 44, 52, 48, 56, 56, 66, 68, 75, 76, 81, 82, 92, 91, 104, 98, 112, 109, 118, 118, 123, 128, 131, 136, 144, 144, 154, 148, 160, 160, 170, 174, 175, 180, 179, 186, 196, 195, 208, 198, 214 ]
[ "nonn" ]
A364257
[ 1, -2, -3, 0, -1, 6, -1, 0, 0, 2, -1, 0, -1, 2, 5, 0, -1, 0, -1, 0, 3, 2, -1, 0, -4, 2, 26, 0, -1, -10, -1, 0, 3, 2, -3, 0, -1, 2, 5, 0, -1, -6, -1, 0, -6, 2, -1, 0, 0, 8, 5, 0, -1, -52, -9, 0, 3, 2, -1, 0, -1, 2, 8, 0, 1, -6, -1, 0, 3, 6, -1, 0, -1, 2, 18, 0, -5, -10, -1, 0, -102, 2, -1, 0, -3, 2, 5, 0, -1, 12 ]
[ "sign" ]
A168780
[ 1, 7, 42, 252, 1512, 9072, 54432, 326592, 1959552, 11757312, 70543872, 423263232, 2539579392, 15237476352, 91424858112, 548549148672, 3291294892032, 19747769352192, 118486616113152, 710919696678891, 4265518180073220 ]
[ "nonn", "easy" ]
A378138
[ 2, 1, 6, 31, 64, 331, 814, 1607, 4107, 5129, 10283, 12819, 16163, 40108, 80313, 100153, 256379, 1281895, 2571143, 3130008 ]
[ "nonn", "base" ]
A209713
[ 63280, 9278940, 1293734407, 183988612894, 26024000948100, 3690894707522275, 522757733883587500, 74095286689410400000, 1.0497954243766842e+22, 1.487704397822522e+24, 2.108017224110815e+26 ]
[ "nonn" ]
A245868
[ 168, 712, 2368, 8840, 31176, 113024, 404264, 1455496, 5223552, 18775816, 67437448, 242306240, 870461352, 3127322696, 11235107264, 40363689352, 145010699592, 520968428032, 1871637364264, 6724074597128, 24157004951808, 86786820122120 ]
[ "nonn" ]
A147936
[ 1, 2, 6, 16, 54, 260, 1236, 6360, 31636, 166080, 1095490, 6861468, 47125320, 327177196, 2371069132, 20747895710 ]
[ "nonn" ]
A336128
[ 1, 1, 1, 5, 5, 9, 29, 37, 57, 89, 265, 309, 521, 745, 1129, 3005, 3545, 5685, 8201, 12265, 16629, 41369, 48109, 77265, 107645, 160681, 214861, 316913, 644837, 798861, 1207445, 1694269, 2437689, 3326705, 4710397, 6270513, 12246521, 14853625, 22244569, 30308033, 43706705, 57926577, 82166105, 107873221, 148081785, 257989961, 320873065, 458994657, 628016225, 875485585, 1165065733 ]
[ "nonn" ]
A047212
[ 0, 2, 4, 5, 7, 9, 10, 12, 14, 15, 17, 19, 20, 22, 24, 25, 27, 29, 30, 32, 34, 35, 37, 39, 40, 42, 44, 45, 47, 49, 50, 52, 54, 55, 57, 59, 60, 62, 64, 65, 67, 69, 70, 72, 74, 75, 77, 79, 80, 82, 84, 85, 87, 89, 90, 92, 94, 95, 97, 99, 100, 102, 104, 105, 107 ]
[ "nonn", "easy" ]
A135453
[ 0, 12, 48, 108, 192, 300, 432, 588, 768, 972, 1200, 1452, 1728, 2028, 2352, 2700, 3072, 3468, 3888, 4332, 4800, 5292, 5808, 6348, 6912, 7500, 8112, 8748, 9408, 10092, 10800, 11532, 12288, 13068, 13872, 14700, 15552, 16428, 17328, 18252, 19200, 20172, 21168, 22188 ]
[ "nonn", "easy" ]
A299353
[ 1, 1, 1, 5, 50, 1713, 1101990, 68715891672, 1.1807357353562648e+21, 1.701411834605079e+38, 7.237005577335553e+75 ]
[ "nonn" ]
A025648
[ 0, 1, 0, 2, 1, 0, 3, 2, 1, 4, 0, 3, 2, 5, 1, 4, 0, 3, 6, 2, 5, 1, 4, 7, 0, 3, 6, 2, 5, 8, 1, 4, 7, 0, 3, 6, 9, 2, 5, 8, 1, 4, 7, 0, 10, 3, 6, 9, 2, 5, 8, 1, 11, 4, 7, 0, 10, 3, 6, 9, 2, 12, 5, 8, 1, 11, 4, 7, 0, 10, 3, 13, 6, 9, 2, 12, 5, 8, 1, 11, 4, 14, 7, 0, 10, 3, 13, 6, 9, 2, 12, 5, 15, 8, 1, 11, 4, 14, 7 ]
[ "nonn", "easy", "changed" ]
A387295
[ 2, 6, 8, 1, 4, 3, 7, 2, 8, 0, 4, 1, 9, 1, 8, 2, 7, 4, 7, 5, 9, 0, 8, 0, 0, 5, 0, 5, 6, 1, 2, 8, 0, 8, 0, 3, 1, 5, 8, 4, 8, 8, 3, 3, 8, 6, 0, 6, 3, 9, 0, 8, 5, 7, 4, 9, 0, 4, 6, 6, 8, 4, 9, 9, 3, 8, 5, 7, 7, 7, 3, 0, 8, 9, 5, 7, 7, 3, 4, 2, 1, 7, 2, 5, 6, 1, 4, 6, 3, 8 ]
[ "nonn", "cons", "easy" ]
A120237
[ 1, 2, 4, 5, 3, 8, 9, 11, 6, 7, 15, 16, 18, 19, 10, 22, 12, 25, 13, 14, 29, 31, 32, 33, 17, 36, 38, 39, 20, 21, 43, 45, 23, 24, 49, 50, 26, 53, 27, 28, 57, 59, 30, 62, 63, 65, 66, 67, 34, 35, 72, 73, 37, 76, 77, 79, 40, 41, 83, 42, 86, 87, 44, 90, 91, 46, 47, 48, 97, 98, 100, 101 ]
[ "nonn" ]
A141593
[ 1932, 14592, 122598, 377370, 2137548, 16134048, 18132978, 34083432, 43175478, 46683060, 64938702, 126380340, 145790430, 163303200, 326061120, 328413078, 385629198, 413149992, 483737628, 526728990, 659595048, 675836598, 871231200, 919360920, 931176330, 938024028, 996849108 ]
[ "nonn" ]
A356228
[ 0, 1, 1, 2, 1, 2, 1, 3, 2, 1, 1, 3, 1, 1, 2, 4, 1, 3, 1, 2, 1, 1, 1, 4, 2, 1, 3, 2, 1, 3, 1, 5, 1, 1, 2, 4, 1, 1, 1, 3, 1, 2, 1, 2, 3, 1, 1, 5, 2, 2, 1, 2, 1, 4, 1, 3, 1, 1, 1, 4, 1, 1, 2, 6, 1, 2, 1, 2, 1, 2, 1, 5, 1, 1, 3, 2, 2, 2, 1, 4, 4, 1, 1, 3, 1, 1, 1 ]
[ "nonn" ]
A076461
[ 13, 571, 5306, 26470, 93455, 264313, 640276, 1383276, 2736465, 5047735, 8796238, 14621906, 23357971, 36066485, 54076840, 79027288, 112909461, 158115891, 217490530, 294382270, 392701463, 516979441, 672431036, 865020100, 1101528025, 1389625263, 1737945846, 2156164906 ]
[ "easy", "nonn" ]
A045441
[ 5, 7, 11, 19, 47, 53, 61, 67, 89, 103, 109, 131, 137, 151, 173, 179, 193, 229, 257, 263, 271, 277, 313, 347, 383, 389, 397, 431, 439, 467, 487, 509, 523, 557, 571, 593, 599, 607, 613, 641, 677, 683, 691, 719, 733 ]
[ "nonn", "easy" ]
A322698
[ 1, 2, 4, 10, 40, 278, 3554, 84590, 3776280, 317806466, 50710452574, 15414839551538, 8964708979273634, 10008446308186073000, 2.1518891146915894e+22, 8.932097021011649e+25, 7.17558285660688e+29, 1.1176382741327158e+34, 3.3820250957471202e+38 ]
[ "nonn" ]
A049911
[ 1, 2, 3, 4, 6, 14, 26, 42, 56, 152, 302, 594, 1160, 2210, 3978, 6340, 8550, 23438, 46874, 93738, 187448, 374786, 749130, 1496644, 2989158, 5961218, 11852136, 23423224, 45724590, 86984606, 156507206, 249453030, 336437636, 922328300 ]
[ "nonn" ]
A045041
[ 170, 426, 618, 666, 678, 681, 683, 686, 698, 746, 938, 1450, 1642, 1690, 1702, 1705, 1707, 1710, 1722, 1770, 1962, 2410, 2458, 2470, 2473, 2475, 2478, 2490, 2538, 2650, 2662, 2665, 2667, 2670, 2682, 2710, 2713, 2715, 2718 ]
[ "nonn", "base" ]
A009827
[ 0, 1, 0, 1, -12, 56, -240, 1744, -16128, 143296, -1353600, 14972288, -183912960, 2385640960, -33085817856, 496732177408, -7978174955520, 135579928592384, -2436661138489344, 46303359719833600, -926648972098928600 ]
[ "sign", "easy" ]
A195684
[ 0, 5, 9, 10, 11, 18, 31, 57, 104, 192, 366, 701, 1353, 2649, 5194, 10196, 20026, 39686, 79006, 157316, 313279 ]
[ "nonn", "more" ]
A069455
[ 31, 43, 61, 73, 229, 241, 271, 283, 313, 349, 463, 523, 571, 601, 619, 643, 661, 859, 883, 1093, 1153, 1231, 1279, 1291, 1303, 1321, 1429, 1453, 1609, 1621, 1669, 1699, 1723, 1789, 1999, 2029, 2143, 2239, 2269, 2311, 2341, 2383 ]
[ "nonn" ]
A043785
[ 273, 275, 276, 277, 289, 290, 291, 293, 300, 302, 303, 304, 307, 308, 312, 313, 415, 416, 420, 421, 424, 425, 426, 428, 435, 437, 438, 439, 451, 452, 453, 455, 516, 518, 519, 520, 532, 533, 534, 536, 543, 545, 546, 547, 550 ]
[ "nonn", "base" ]
A199777
[ 1, 4, 8, 0, 5, 4, 6, 3, 3, 1, 7, 5, 4, 9, 1, 2, 0, 3, 7, 7, 6, 7, 6, 4, 3, 0, 5, 7, 9, 2, 3, 2, 7, 5, 8, 7, 3, 2, 9, 8, 5, 3, 8, 3, 0, 2, 7, 5, 8, 0, 3, 5, 3, 7, 3, 4, 1, 7, 0, 4, 6, 2, 9, 8, 7, 3, 8, 9, 1, 5, 6, 6, 9, 3, 9, 7, 3, 7, 1, 1, 7, 9, 3, 1, 8, 4, 7, 5, 2, 0, 5, 7, 3, 9, 5, 4, 7, 3, 7 ]
[ "nonn", "cons" ]
A320330
[ 1, 1, 3, 5, 13, 25, 50, 100, 195, 366, 707, 1333, 2440 ]
[ "nonn", "more" ]
A290548
[ 1, 10, 101, 1111, 11001, 111111, 1110000, 11111111, 111100000, 1111111111, 11111001111, 111111111111, 1111110000000, 11111111111111, 111111100000000, 1111111111111111, 11111111000000000, 111111111111111100, 1111111110011100000, 11111111111111110000 ]
[ "nonn", "easy" ]
A043828
[ 68, 70, 71, 72, 73, 75, 76, 77, 78, 97, 98, 99, 100, 102, 103, 108, 109, 110, 113, 114, 115, 116, 118, 119, 120, 121, 123, 132, 134, 135, 136, 137, 139, 140, 141, 142, 145, 146, 147, 152, 153, 155, 156, 157, 158, 177, 178, 179 ]
[ "nonn", "base" ]
A371932
[ 1, 2, 2, 26, 50, 706, 1650, 24282, 62370, 940610, 2554530, 39150810, 110311762, 1709993346, 4945525650, 77314273562, 228002115650, 3587763069826, 10741365151810, 169903043416730, 514833595840370, 8177978884039490, 25025386537586610 ]
[ "nonn" ]
A245548
[ 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 3, 1, 1, 1, 2, 3, 1, 3, 1, 1, 1, 1, 1, 2, 2, 3, 2, 1, 1, 3, 1, 4, 1, 1, 1, 1, 2, 1, 2, 1, 2, 2, 3, 2, 5, 1, 1, 1, 3, 4, 1, 4, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 3, 2, 2, 2, 3, 5, 2, 5, 2, 1, 1, 1, 1, 2, 3, 4, 3, 1, 1, 4, 1, 5 ]
[ "nonn" ]
A363540
[ 5, 8, 2, 1, 7, 4, 0, 0, 8, 5, 0, 4, 8, 6, 4, 6, 5, 2, 8, 8, 9, 6, 8, 6, 8, 6, 1, 5, 5, 0, 2, 0, 4, 1, 3, 4, 3, 1, 5, 0, 3, 3, 3, 2, 4, 3, 1, 9, 5, 7, 7, 0, 1, 1, 4, 4, 2, 4, 0, 3, 9, 2, 7, 6, 4, 7, 6, 4, 1, 3, 9, 7, 2, 2, 5, 9, 8, 1, 8, 9, 7, 4, 9, 5, 1, 8, 9, 0, 4, 2, 8, 5, 7, 4, 3, 2, 3, 1, 9, 0, 9, 6, 5, 9, 7 ]
[ "nonn", "cons" ]
A084432
[ 2, 5, 4, 10, 6, 11, 8, 19, 10, 17, 12, 24, 14, 23, 16, 36, 18, 29, 20, 38, 22, 35, 24, 49, 26, 41, 28, 52, 30, 47, 32, 69, 34, 53, 36, 66, 38, 59, 40, 79, 42, 65, 44, 80, 46, 71, 48, 98, 50, 77, 52, 94, 54, 83, 56, 109, 58, 89, 60, 108, 62, 95, 64, 134, 66, 101, 68, 122, 70, 107, 72, 139, 74, 113 ]
[ "nonn", "easy" ]
A155005
[ 1, 10, 12, 110, 120, 1020, 1200, 1248, 10250, 11250, 12480, 31248, 132600, 124800, 112500, 312480, 1248000, 1312500, 1125000, 3124800, 14437500, 16250000, 11250000, 31248000, 103125000, 144375000, 112500000, 131250000 ]
[ "base", "nonn" ]
A296040
[ 2, 0, 6, 6, 1, 7, 6, 6, 8, 6, 4, 2, 4, 0, 5, 1, 0, 8, 4, 2, 6, 8, 6, 0, 1, 9, 1, 5, 7, 7, 2, 4, 3, 1, 1, 0, 0, 5, 1, 0, 6, 7, 2, 1, 6, 8, 5, 8, 2, 1, 0, 4, 6, 6, 2, 6, 4, 1, 1, 6, 1, 3, 9, 0, 8, 5, 6, 8, 1, 6, 9, 0, 6, 5, 3, 4, 2, 2, 2, 2, 0, 0, 2, 6, 0, 4, 9, 5, 6, 1, 0, 4, 9, 2, 2, 5, 1, 8, 1, 8 ]
[ "nonn", "cons" ]
A197393
[ 2, 5, 3, 8, 6, 5, 6, 3, 3, 5, 9, 0, 7, 9, 4, 1, 6, 9, 7, 8, 7, 2, 3, 7, 0, 2, 9, 9, 4, 0, 7, 5, 7, 7, 6, 1, 4, 7, 9, 5, 7, 4, 2, 5, 5, 4, 6, 7, 6, 1, 7, 2, 2, 0, 2, 9, 0, 3, 3, 7, 8, 3, 6, 5, 7, 7, 3, 1, 7, 7, 1, 3, 8, 6, 6, 7, 6, 6, 1, 9, 6, 4, 1, 5, 3, 6, 5, 0, 3, 5, 3, 3, 7, 0, 3, 3, 9, 9, 4 ]
[ "nonn", "cons" ]
A248372
[ 36, 39, 60, 126, 171, 189, 195, 300, 315, 405, 420, 435, 504, 540, 570, 606, 720, 756, 816, 876, 960, 1089, 1221, 1224, 1260, 1329, 1365, 1371, 1389, 1404, 1530, 1554, 1674, 1740, 1785, 1791, 1914, 1959, 2085, 2244, 2304, 2334, 2376, 2451, 2454, 2520, 2631, 2646, 2715, 2799, 2976 ]
[ "nonn" ]
A225497
[ 1, 6, 42, 380, 4320, 59682, 974848, 18423288, 396000000, 9548713790, 255409127424, 7507985556084, 240659872940032, 8355664160156250, 312437224148828160, 12519386633593104000, 535233488907211700000, 2.4320165501859426e+22, 1.17047296e+24, 5.948304614026175e+25 ]
[ "nonn" ]
A212022
[ 0, 2, 25, 346, 2589, 12636, 46612, 141520, 372416, 878329, 1899446, 3828397, 7278790, 13174461, 22863219, 38259181, 62018107, 97750460, 150277231, 225933884, 332928091, 481757242, 685692030 ]
[ "nonn" ]
A171828
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 19, 20, 21, 23, 24, 25, 26, 27, 29, 30, 31, 35, 40, 45, 49, 50, 51, 55, 60, 70, 75, 80, 95, 100, 105, 115, 120, 124, 125, 126, 130, 135, 145, 150, 155, 175, 200, 225, 245, 250, 255, 275, 300, 375, 500, 600, 620, 630, 650, 750, 1250, 3125 ]
[ "nonn", "fini", "full" ]
A367126
[ 0, 0, 1, 1, 4, 3, 4, 3, 2, 10, 9, 5, 9, 10, 9, 8, 9, 10, 9, 4, 2, 16, 28, 16, 14, 12, 12, 18, 15, 20, 21, 16, 16, 16, 15, 18, 20, 11, 14, 13, 18, 6, 12, 16, 18, 11, 9, 11, 15, 22, 20, 11, 19, 14, 16, 3, 38, 36, 35, 33, 31, 32, 38, 25, 31, 38, 17, 14, 30, 14, 26 ]
[ "nonn", "tabf" ]
A134438
[ 1, 1, 3, 10, 23, 62, 170, 441, 1173, 3127, 8266, 21937, 58234, 154390, 409573, 1086567, 2882021, 7645046, 20279829, 53794224, 142696606, 378522507, 1004078871, 2663452699, 7065162260, 18741269167, 49713692146, 131872134232, 349808216915, 927912454723 ]
[ "nonn", "easy" ]
A039635
[ 1, 2, 3, 2, 5, 3, 7, 2, 5, 5, 11, 3, 13, 7, 2, 2, 17, 5, 19, 5, 11, 11, 23, 3, 13, 13, 7, 7, 29, 2, 31, 2, 17, 17, 5, 5, 37, 19, 5, 5, 41, 11, 43, 11, 23, 23, 47, 3, 13, 13, 13, 13, 53, 7, 7, 7, 29, 29, 59, 2, 61, 31, 2, 2, 17, 17, 67, 17, 5, 5, 71, 5, 73, 37, 19, 19, 5, 5, 79, 5, 41 ]
[ "nonn" ]
A301282
[ 2, 1, 3, 9, 10, 49, 225, 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, 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 ]
[ "nonn", "frac", "easy" ]
A053634
[ 2, 3, 4, 7, 10, 18, 30, 54, 94, 176, 316, 591, 1096, 2058, 3856, 7301, 13798, 26244, 49940, 95373, 182362, 349626, 671092, 1290714, 2485534, 4793790, 9256396, 17896284, 34636834, 67109898, 130150588, 252647064, 490853416, 954440950 ]
[ "nonn" ]
A014695
[ 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1 ]
[ "easy", "nonn" ]
A209967
[ 17262, 3745144, 795773818, 176163769267, 38303320167422, 8191570949391204, 1725096441495004200, 358792884816460000000, 7.388479360822008e+22, 1.5095735190392461e+25, 3.0651842530139783e+27 ]
[ "nonn" ]
A203983
[ 24576, 1119744, 51018336, 2447270496, 118333620576, 5764846339584, 281455764775776, 13760034485954400, 673045752535673200, 32929530583286104000, 1.6112902523433145e+21, 7.884709961962152e+22 ]
[ "nonn" ]
A243163
[ 1, 0, 1, 0, 1, 3, 0, 0, 7, 12, 0, 0, 4, 45, 55, 0, 0, 0, 55, 286, 273, 0, 0, 0, 22, 546, 1820, 1428, 0, 0, 0, 0, 455, 4760, 11628, 7752, 0, 0, 0, 0, 140, 6120, 38760, 74613, 43263, 0, 0, 0, 0, 0, 3876, 67830, 302841, 480700, 246675, 0, 0, 0, 0, 0, 969, 65835 ]
[ "nonn", "tabl" ]
A145492
[ 1, 450, 394680, 429557700, 522037315800, 678696698599920, 923563866149496000, 1.298893924326291e+21, 1.872892788786286e+24, 2.753834730409783e+27, 4.1133091641167077e+30 ]
[ "nonn" ]