Sequence Database

A database with 1693109 machine generated integer and decimal sequences.

Displaying result 0-99 of total 329796. [0] [1] [2] [3] [4] ... [3297]

Sequence lalqvjgjzo0ro

1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 6, 4, 1, 1, 5, 10, 10, 5, 1, 1, 6, 15, 20, 15, 6, 1, 1, 7, 21, 35, 35, 21, 7, 1, 1, 8, 28, 56, 70, 56, 28, 8, 1, 1, 9, 36, 84, 126, more...

integer, non-monotonic, +, A007318

a(n)=pt(n)
pt(n)=Pascals triangle by rows
n≥0
2 operations
Combinatoric

Sequence dps4an1f0bv5f

1, 1, 2, 3, 5, 7, 11, 15, 22, 30, 42, 56, 77, 101, 135, 176, 231, 297, 385, 490, 627, 792, 1002, 1255, 1575, 1958, 2436, 3010, 3718, 4565, 5604, 6842, 8349, 10143, 12310, 14883, 17977, 21637, 26015, 31185, 37338, 44583, 53174, 63261, 75175, 89134, 105558, 124754, 147273, 173525, more...

integer, monotonic, +, A000041

a(n)=P(n)
P(n)=partition numbers
n≥0
2 operations
Combinatoric

Sequence jlpqc0m0fwl2i

1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862, 16796, 58786, 208012, 742900, 2674440, 9694845, 35357670, 129644790, 477638700, 1767263190, 6564120420, 24466267020, 91482563640, 343059613650, 1289904147324, 4861946401452, 18367353072152, 69533550916004, 263747951750360, 1002242216651368, 3814986502092304, more...

integer, monotonic, +, A000108

a(n)=catalan(n)
catalan(n)=the catalan numbers
n≥0
2 operations
Combinatoric

Sequence fgxbahcl0w5q

1, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 39916800, 479001600, 6227020800, 87178291200, 1307674368000, 20922789888000, 355687428096000, more...

integer, monotonic, +, A000142

a(n)=n!
n≥0
2 operations
Combinatoric
a(n)=n*a(n-1)
a(0)=1
n≥0
3 operations
Recursive
a(n)=∏[C(n, a(n-1))]
a(0)=1
C(n,k)=binomial coefficient
∏(a)=partial products of a
n≥0
4 operations
Combinatoric
a(n)=lcm(n!, a(n-1))
a(0)=1
lcm(a,b)=least common multiple
n≥0
4 operations
Combinatoric
a(n)=n*lcm(a(n-1), a(n-2))
a(0)=1
a(1)=1
lcm(a,b)=least common multiple
n≥0
5 operations
Recursive

Sequence j1s0tghmi1vmi

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, 49, more...

integer, monotonic, +

a(n)=C(n, 48)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence j3hjipqdruadg

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, 48, 1176, more...

integer, monotonic, +

a(n)=C(n, 47)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence mfzlvniqcitaf

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, 47, 1128, 18424, more...

integer, monotonic, +

a(n)=C(n, 46)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence qswiivm4bj35n

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, 46, 1081, 17296, 211876, more...

integer, monotonic, +

a(n)=C(n, 45)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence u1dzyty015byb

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, 45, 1035, 16215, 194580, 1906884, more...

integer, monotonic, +

a(n)=C(n, 44)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence lntcn01lr0twh

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, 44, 990, 15180, 178365, 1712304, 13983816, more...

integer, monotonic, +

a(n)=C(n, 43)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 0uy00tnsmn00d

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, 43, 946, 14190, 163185, 1533939, 12271512, 85900584, more...

integer, monotonic, +

a(n)=C(n, 42)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 51abe4msaruaj

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, 42, 903, 13244, 148995, 1370754, 10737573, 73629072, 450978066, more...

integer, monotonic, +

a(n)=C(n, 41)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence szrk2lzfxsg3n

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, 41, 861, 12341, 135751, 1221759, 9366819, 62891499, 377348994, 2054455634, more...

integer, monotonic, +

a(n)=C(n, 40)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence zayayoctan3kk

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, 40, 820, 11480, 123410, 1086008, 8145060, 53524680, 314457495, 1677106640, 8217822536, more...

integer, monotonic, +

a(n)=C(n, 39)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence eawz1c5dmsqxj

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, 39, 780, 10660, 111930, 962598, 7059052, 45379620, 260932815, 1362649145, 6540715896, 29135916264, more...

integer, monotonic, +

a(n)=C(n, 38)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence fp3bhfzhmfhwe

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, 38, 741, 9880, 101270, 850668, 6096454, 38320568, 215553195, 1101716330, 5178066751, 22595200368, 92263734836, more...

integer, monotonic, +

a(n)=C(n, 37)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence xnvwjb5rsox5g

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, 37, 703, 9139, 91390, 749398, 5245786, 32224114, 177232627, 886163135, 4076350421, 17417133617, 69668534468, 262596783764, more...

integer, monotonic, +

a(n)=C(n, 36)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence vbhtokdvmkrsj

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, 36, 666, 8436, 82251, 658008, 4496388, 26978328, 145008513, 708930508, 3190187286, 13340783196, 52251400851, 192928249296, 675248872536, more...

integer, monotonic, +

a(n)=C(n, 35)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence ik3orvcyhomk

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, 35, 630, 7770, 73815, 575757, 3838380, 22481940, 118030185, 563921995, 2481256778, 10150595910, 38910617655, 140676848445, 482320623240, 1575580702584, more...

integer, monotonic, +

a(n)=C(n, 34)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence i10uxc03cj0hp

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, 34, 595, 7140, 66045, 501942, 3262623, 18643560, 95548245, 445891810, 1917334783, 7669339132, 28760021745, 101766230790, 341643774795, 1093260079344, 3348108992991, more...

integer, monotonic, +

a(n)=C(n, 33)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence lgsnip3mvvozb

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, 33, 561, 6545, 58905, 435897, 2760681, 15380937, 76904685, 350343565, 1471442973, 5752004349, 21090682613, 73006209045, 239877544005, 751616304549, 2254848913647, 6499270398159, more...

integer, monotonic, +

a(n)=C(n, 32)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 2in04mancs23e

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, 32, 528, 5984, 52360, 376992, 2324784, 12620256, 61523748, 273438880, 1121099408, 4280561376, 15338678264, 51915526432, 166871334960, 511738760544, 1503232609098, 4244421484512, 11554258485616, more...

integer, monotonic, +

a(n)=C(n, 31)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence meja5hzdondcm

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, 31, 496, 5456, 46376, 324632, 1947792, 10295472, 48903492, 211915132, 847660528, 3159461968, 11058116888, 36576848168, 114955808528, 344867425584, 991493848554, 2741188875414, 7309837001104, 18851684897584, more...

integer, monotonic, +

a(n)=C(n, 30)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 1wrwltbix1a3f

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, 30, 465, 4960, 40920, 278256, 1623160, 8347680, 38608020, 163011640, 635745396, 2311801440, 7898654920, 25518731280, 78378960360, 229911617056, 646626422970, 1749695026860, 4568648125690, 11541847896480, 28277527346376, more...

integer, monotonic, +

a(n)=C(n, 29)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 0jm4b1qeiuz5o

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, 29, 435, 4495, 35960, 237336, 1344904, 6724520, 30260340, 124403620, 472733756, 1676056044, 5586853480, 17620076360, 52860229080, 151532656696, 416714805914, 1103068603890, 2818953098830, 6973199770790, 16735679449896, 39049918716424, more...

integer, monotonic, +

a(n)=C(n, 28)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence bfa5svlubelxf

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, 28, 406, 4060, 31465, 201376, 1107568, 5379616, 23535820, 94143280, 348330136, 1203322288, 3910797436, 12033222880, 35240152720, 98672427616, 265182149218, 686353797976, 1715884494940, 4154246671960, 9762479679106, 22314239266528, 49699896548176, more...

integer, monotonic, +

a(n)=C(n, 27)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence dfj1ktwviq5ef

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, 27, 378, 3654, 27405, 169911, 906192, 4272048, 18156204, 70607460, 254186856, 854992152, 2707475148, 8122425444, 23206929840, 63432274896, 166509721602, 421171648758, 1029530696964, 2438362177020, 5608233007146, 12551759587422, 27385657281648, 58343356817424, more...

integer, monotonic, +

a(n)=C(n, 26)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 1hyshc455uu5b

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, 26, 351, 3276, 23751, 142506, 736281, 3365856, 13884156, 52451256, 183579396, 600805296, 1852482996, 5414950296, 15084504396, 40225345056, 103077446706, 254661927156, 608359048206, 1408831480056, 3169870830126, 6943526580276, 14833897694226, 30957699535776, 63205303218876, more...

integer, monotonic, +

a(n)=C(n, 25)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence trjbvu3mtrrnd

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, 25, 325, 2925, 20475, 118755, 593775, 2629575, 10518300, 38567100, 131128140, 417225900, 1251677700, 3562467300, 9669554100, 25140840660, 62852101650, 151584480450, 353697121050, 800472431850, 1761039350070, 3773655750150, 7890371113950, 16123801841550, 32247603683100, 63205303218876, more...

integer, monotonic, +

a(n)=C(n, 24)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 2m5scfmr14zik

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 24, 300, 2600, 17550, 98280, 475020, 2035800, 7888725, 28048800, 92561040, 286097760, 834451800, 2310789600, 6107086800, 15471286560, 37711260990, 88732378800, 202112640600, 446775310800, 960566918220, 2012616400080, 4116715363800, 8233430727600, 16123801841550, 30957699535776, 58343356817424, more...

integer, monotonic, +

a(n)=C(n, 23)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 3cbfnrpr5d5hp

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 23, 276, 2300, 14950, 80730, 376740, 1560780, 5852925, 20160075, 64512240, 193536720, 548354040, 1476337800, 3796297200, 9364199760, 22239974430, 51021117810, 113380261800, 244662670200, 513791607420, 1052049481860, 2104098963720, 4116715363800, 7890371113950, 14833897694226, 27385657281648, 49699896548176, more...

integer, monotonic, +

a(n)=C(n, 22)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence cixnddcna1wuk

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 22, 253, 2024, 12650, 65780, 296010, 1184040, 4292145, 14307150, 44352165, 129024480, 354817320, 927983760, 2319959400, 5567902560, 12875774670, 28781143380, 62359143990, 131282408400, 269128937220, 538257874440, 1052049481860, 2012616400080, 3773655750150, 6943526580276, 12551759587422, 22314239266528, 39049918716424, more...

integer, monotonic, +

a(n)=C(n, 21)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence qa35gm2wcf4ui

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 21, 231, 1771, 10626, 53130, 230230, 888030, 3108105, 10015005, 30045015, 84672315, 225792840, 573166440, 1391975640, 3247943160, 7307872110, 15905368710, 33578000610, 68923264410, 137846528820, 269128937220, 513791607420, 960566918220, 1761039350070, 3169870830126, 5608233007146, 9762479679106, 16735679449896, 28277527346376, more...

integer, monotonic, +

a(n)=C(n, 20)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence mpf0ldxuj24eh

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 20, 210, 1540, 8855, 42504, 177100, 657800, 2220075, 6906900, 20030010, 54627300, 141120525, 347373600, 818809200, 1855967520, 4059928950, 8597496600, 17672631900, 35345263800, 68923264410, 131282408400, 244662670200, 446775310800, 800472431850, 1408831480056, 2438362177020, 4154246671960, 6973199770790, 11541847896480, 18851684897584, more...

integer, monotonic, +

a(n)=C(n, 19)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence kznnip211qojj

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 19, 190, 1330, 7315, 33649, 134596, 480700, 1562275, 4686825, 13123110, 34597290, 86493225, 206253075, 471435600, 1037158320, 2203961430, 4537567650, 9075135300, 17672631900, 33578000610, 62359143990, 113380261800, 202112640600, 353697121050, 608359048206, 1029530696964, 1715884494940, 2818953098830, 4568648125690, 7309837001104, 11554258485616, more...

integer, monotonic, +

a(n)=C(n, 18)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence uq3wuy3tiatwn

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 18, 171, 1140, 5985, 26334, 100947, 346104, 1081575, 3124550, 8436285, 21474180, 51895935, 119759850, 265182525, 565722720, 1166803110, 2333606220, 4537567650, 8597496600, 15905368710, 28781143380, 51021117810, 88732378800, 151584480450, 254661927156, 421171648758, 686353797976, 1103068603890, 1749695026860, 2741188875414, 4244421484512, 6499270398159, more...

integer, monotonic, +

a(n)=C(n, 17)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence wtwrkq0sjbykg

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 17, 153, 969, 4845, 20349, 74613, 245157, 735471, 2042975, 5311735, 13037895, 30421755, 67863915, 145422675, 300540195, 601080390, 1166803110, 2203961430, 4059928950, 7307872110, 12875774670, 22239974430, 37711260990, 62852101650, 103077446706, 166509721602, 265182149218, 416714805914, 646626422970, 991493848554, 1503232609098, 2254848913647, 3348108992991, more...

integer, monotonic, +

a(n)=C(n, 16)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 5x4bn1cpvffvb

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 16, 136, 816, 3876, 15504, 54264, 170544, 490314, 1307504, 3268760, 7726160, 17383860, 37442160, 77558760, 155117520, 300540195, 565722720, 1037158320, 1855967520, 3247943160, 5567902560, 9364199760, 15471286560, 25140840660, 40225345056, 63432274896, 98672427616, 151532656696, 229911617056, 344867425584, 511738760544, 751616304549, 1093260079344, 1575580702584, more...

integer, monotonic, +

a(n)=C(n, 15)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 5hxctebrsytjn

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 15, 120, 680, 3060, 11628, 38760, 116280, 319770, 817190, 1961256, 4457400, 9657700, 20058300, 40116600, 77558760, 145422675, 265182525, 471435600, 818809200, 1391975640, 2319959400, 3796297200, 6107086800, 9669554100, 15084504396, 23206929840, 35240152720, 52860229080, 78378960360, 114955808528, 166871334960, 239877544005, 341643774795, 482320623240, 675248872536, more...

integer, monotonic, +

a(n)=C(n, 14)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence kxgosoubvyctf

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 14, 105, 560, 2380, 8568, 27132, 77520, 203490, 497420, 1144066, 2496144, 5200300, 10400600, 20058300, 37442160, 67863915, 119759850, 206253075, 347373600, 573166440, 927983760, 1476337800, 2310789600, 3562467300, 5414950296, 8122425444, 12033222880, 17620076360, 25518731280, 36576848168, 51915526432, 73006209045, 101766230790, 140676848445, 192928249296, 262596783764, more...

integer, monotonic, +

a(n)=C(n, 13)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence cjhdybqsurjg

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 13, 91, 455, 1820, 6188, 18564, 50388, 125970, 293930, 646646, 1352078, 2704156, 5200300, 9657700, 17383860, 30421755, 51895935, 86493225, 141120525, 225792840, 354817320, 548354040, 834451800, 1251677700, 1852482996, 2707475148, 3910797436, 5586853480, 7898654920, 11058116888, 15338678264, 21090682613, 28760021745, 38910617655, 52251400851, 69668534468, 92263734836, more...

integer, monotonic, +

a(n)=C(n, 12)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence sko43xxfx03xn

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 12, 78, 364, 1365, 4368, 12376, 31824, 75582, 167960, 352716, 705432, 1352078, 2496144, 4457400, 7726160, 13037895, 21474180, 34597290, 54627300, 84672315, 129024480, 193536720, 286097760, 417225900, 600805296, 854992152, 1203322288, 1676056044, 2311801440, 3159461968, 4280561376, 5752004349, 7669339132, 10150595910, 13340783196, 17417133617, 22595200368, 29135916264, more...

integer, monotonic, +

a(n)=C(n, 11)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence mshqtyoasp3nh

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 11, 66, 286, 1001, 3003, 8008, 19448, 43758, 92378, 184756, 352716, 646646, 1144066, 1961256, 3268760, 5311735, 8436285, 13123110, 20030010, 30045015, 44352165, 64512240, 92561040, 131128140, 183579396, 254186856, 348330136, 472733756, 635745396, 847660528, 1121099408, 1471442973, 1917334783, 2481256778, 3190187286, 4076350421, 5178066751, 6540715896, 8217822536, more...

integer, monotonic, +

a(n)=C(n, 10)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence kbzz4syhqypup

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 55, 220, 715, 2002, 5005, 11440, 24310, 48620, 92378, 167960, 293930, 497420, 817190, 1307504, 2042975, 3124550, 4686825, 6906900, 10015005, 14307150, 20160075, 28048800, 38567100, 52451256, 70607460, 94143280, 124403620, 163011640, 211915132, 273438880, 350343565, 445891810, 563921995, 708930508, 886163135, 1101716330, 1362649145, 1677106640, 2054455634, more...

integer, monotonic, +

a(n)=C(n, 9)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 0zvz5r3u5k4zk

1, 1, 1, 1, 1, 1, 1, 1, 1, 9, 45, 165, 495, 1287, 3003, 6435, 12870, 24310, 43758, 75582, 125970, 203490, 319770, 490314, 735471, 1081575, 1562275, 2220075, 3108105, 4292145, 5852925, 7888725, 10518300, 13884156, 18156204, 23535820, 30260340, 38608020, 48903492, 61523748, 76904685, 95548245, 118030185, 145008513, 177232627, 215553195, 260932815, 314457495, 377348994, 450978066, more...

integer, monotonic, +

a(n)=C(n, 8)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence g25s4n2sz25jh

1, 1, 1, 1, 1, 1, 1, 1, 8, 36, 120, 330, 792, 1716, 3432, 6435, 11440, 19448, 31824, 50388, 77520, 116280, 170544, 245157, 346104, 480700, 657800, 888030, 1184040, 1560780, 2035800, 2629575, 3365856, 4272048, 5379616, 6724520, 8347680, 10295472, 12620256, 15380937, 18643560, 22481940, 26978328, 32224114, 38320568, 45379620, 53524680, 62891499, 73629072, 85900584, more...

integer, monotonic, +

a(n)=C(n, 7)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 5ihrqy0j40ccm

1, 1, 1, 1, 1, 1, 1, 7, 28, 84, 210, 462, 924, 1716, 3003, 5005, 8008, 12376, 18564, 27132, 38760, 54264, 74613, 100947, 134596, 177100, 230230, 296010, 376740, 475020, 593775, 736281, 906192, 1107568, 1344904, 1623160, 1947792, 2324784, 2760681, 3262623, 3838380, 4496388, 5245786, 6096454, 7059052, 8145060, 9366819, 10737573, 12271512, 13983816, more...

integer, monotonic, +

a(n)=C(n, 6)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence fpkuzatnq243d

1, 1, 1, 1, 1, 1, 6, 21, 56, 126, 252, 462, 792, 1287, 2002, 3003, 4368, 6188, 8568, 11628, 15504, 20349, 26334, 33649, 42504, 53130, 65780, 80730, 98280, 118755, 142506, 169911, 201376, 237336, 278256, 324632, 376992, 435897, 501942, 575757, 658008, 749398, 850668, 962598, 1086008, 1221759, 1370754, 1533939, 1712304, 1906884, more...

integer, monotonic, +

a(n)=C(n, 5)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence uju4iee25uyqm

1, 1, 1, 1, 1, 5, 15, 35, 70, 126, 210, 330, 495, 715, 1001, 1365, 1820, 2380, 3060, 3876, 4845, 5985, 7315, 8855, 10626, 12650, 14950, 17550, 20475, 23751, 27405, 31465, 35960, 40920, 46376, 52360, 58905, 66045, 73815, 82251, 91390, 101270, 111930, 123410, 135751, 148995, 163185, 178365, 194580, 211876, more...

integer, monotonic, +

a(n)=C(n, 4)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence ys32ypat1ckbk

1, 1, 1, 1, 4, 10, 20, 35, 56, 84, 120, 165, 220, 286, 364, 455, 560, 680, 816, 969, 1140, 1330, 1540, 1771, 2024, 2300, 2600, 2925, 3276, 3654, 4060, 4495, 4960, 5456, 5984, 6545, 7140, 7770, 8436, 9139, 9880, 10660, 11480, 12341, 13244, 14190, 15180, 16215, 17296, 18424, more...

integer, monotonic, +

a(n)=C(n, 3)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence k5pyjrlgd0vcg

1, 1, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153, 171, 190, 210, 231, 253, 276, 300, 325, 351, 378, 406, 435, 465, 496, 528, 561, 595, 630, 666, 703, 741, 780, 820, 861, 903, 946, 990, 1035, 1081, 1128, 1176, more...

integer, monotonic, +

a(n)=C(n, 2)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric
a(n)=pt(2+∑[n])
∑(a)=partial sums of a
pt(n)=Pascals triangle by rows
n≥0
5 operations
Combinatoric
a(n)=gcd(∑[n], n*a(n-1))
a(0)=1
∑(a)=partial sums of a
gcd(a,b)=greatest common divisor
n≥0
6 operations
Recursive

Sequence zonuo5ajhgbjo

1, 9, 36, 84, 126, 126, 84, 36, 9, 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, more...

integer, non-monotonic, +, A285198

a(n)=C(9, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence cxxze0sqvn5bk

1, 10, 45, 120, 210, 252, 210, 120, 45, 10, 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, more...

integer, non-monotonic, +, A010926

a(n)=C(10, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 5ltjg3stwuadg

1, 11, 55, 165, 330, 462, 462, 330, 165, 55, 11, 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, more...

integer, non-monotonic, +, A010927

a(n)=C(11, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence hguqpeuc4n4im

1, 12, 66, 220, 495, 792, 924, 792, 495, 220, 66, 12, 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, more...

integer, non-monotonic, +, A010928

a(n)=C(12, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence k13vcuymbjqbn

1, 13, 78, 286, 715, 1287, 1716, 1716, 1287, 715, 286, 78, 13, 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, more...

integer, non-monotonic, +, A010929

a(n)=C(13, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence tf14wjbfwwwdg

1, 14, 91, 364, 1001, 2002, 3003, 3432, 3003, 2002, 1001, 364, 91, 14, 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, more...

integer, non-monotonic, +, A010930

a(n)=C(14, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence zjpko13fajdub

1, 15, 105, 455, 1365, 3003, 5005, 6435, 6435, 5005, 3003, 1365, 455, 105, 15, 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, more...

integer, non-monotonic, +, A010931

a(n)=C(15, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence ujolfv13nq10b

1, 16, 120, 560, 1820, 4368, 8008, 11440, 12870, 11440, 8008, 4368, 1820, 560, 120, 16, 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, more...

integer, non-monotonic, +, A010932

a(n)=C(16, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence dyzwxh3x3l55h

1, 17, 136, 680, 2380, 6188, 12376, 19448, 24310, 24310, 19448, 12376, 6188, 2380, 680, 136, 17, 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, more...

integer, non-monotonic, +, A010933

a(n)=C(17, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence dlmgehn142igb

1, 18, 153, 816, 3060, 8568, 18564, 31824, 43758, 48620, 43758, 31824, 18564, 8568, 3060, 816, 153, 18, 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, more...

integer, non-monotonic, +, A010934

a(n)=C(18, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence aciigw5vu5c2

1, 19, 171, 969, 3876, 11628, 27132, 50388, 75582, 92378, 92378, 75582, 50388, 27132, 11628, 3876, 969, 171, 19, 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, more...

integer, non-monotonic, +, A010935

a(n)=C(19, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence hcqrnrjds3lyg

1, 20, 190, 1140, 4845, 15504, 38760, 77520, 125970, 167960, 184756, 167960, 125970, 77520, 38760, 15504, 4845, 1140, 190, 20, 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, more...

integer, non-monotonic, +, A010936

a(n)=C(20, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence p323glbsvx0tm

1, 21, 210, 1330, 5985, 20349, 54264, 116280, 203490, 293930, 352716, 352716, 293930, 203490, 116280, 54264, 20349, 5985, 1330, 210, 21, 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, more...

integer, non-monotonic, +, A010937

a(n)=C(21, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence bf5l5sniz42ze

1, 22, 231, 1540, 7315, 26334, 74613, 170544, 319770, 497420, 646646, 705432, 646646, 497420, 319770, 170544, 74613, 26334, 7315, 1540, 231, 22, 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, more...

integer, non-monotonic, +, A010938

a(n)=C(22, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence bjatflv1jbyjb

1, 23, 253, 1771, 8855, 33649, 100947, 245157, 490314, 817190, 1144066, 1352078, 1352078, 1144066, 817190, 490314, 245157, 100947, 33649, 8855, 1771, 253, 23, 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, more...

integer, non-monotonic, +, A010939

a(n)=C(23, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence igjjywa1cvvzp

1, 24, 276, 2024, 10626, 42504, 134596, 346104, 735471, 1307504, 1961256, 2496144, 2704156, 2496144, 1961256, 1307504, 735471, 346104, 134596, 42504, 10626, 2024, 276, 24, 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, more...

integer, non-monotonic, +, A010940

a(n)=C(24, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence i1xodjaatyec

1, 25, 300, 2300, 12650, 53130, 177100, 480700, 1081575, 2042975, 3268760, 4457400, 5200300, 5200300, 4457400, 3268760, 2042975, 1081575, 480700, 177100, 53130, 12650, 2300, 300, 25, 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, more...

integer, non-monotonic, +, A010941

a(n)=C(25, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence vg0x4su12qn1g

1, 26, 325, 2600, 14950, 65780, 230230, 657800, 1562275, 3124550, 5311735, 7726160, 9657700, 10400600, 9657700, 7726160, 5311735, 3124550, 1562275, 657800, 230230, 65780, 14950, 2600, 325, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010942

a(n)=C(26, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence tkji1g4hsjhrd

1, 27, 351, 2925, 17550, 80730, 296010, 888030, 2220075, 4686825, 8436285, 13037895, 17383860, 20058300, 20058300, 17383860, 13037895, 8436285, 4686825, 2220075, 888030, 296010, 80730, 17550, 2925, 351, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010943

a(n)=C(27, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence txojtqemi3cql

1, 28, 378, 3276, 20475, 98280, 376740, 1184040, 3108105, 6906900, 13123110, 21474180, 30421755, 37442160, 40116600, 37442160, 30421755, 21474180, 13123110, 6906900, 3108105, 1184040, 376740, 98280, 20475, 3276, 378, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010944

a(n)=C(28, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence zljl2mup53hkb

1, 29, 406, 3654, 23751, 118755, 475020, 1560780, 4292145, 10015005, 20030010, 34597290, 51895935, 67863915, 77558760, 77558760, 67863915, 51895935, 34597290, 20030010, 10015005, 4292145, 1560780, 475020, 118755, 23751, 3654, 406, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010945

a(n)=C(29, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence ctpg0memzu2cc

1, 30, 435, 4060, 27405, 142506, 593775, 2035800, 5852925, 14307150, 30045015, 54627300, 86493225, 119759850, 145422675, 155117520, 145422675, 119759850, 86493225, 54627300, 30045015, 14307150, 5852925, 2035800, 593775, 142506, 27405, 4060, 435, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010946

a(n)=C(30, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence cmmrkxsbfadgm

1, 31, 465, 4495, 31465, 169911, 736281, 2629575, 7888725, 20160075, 44352165, 84672315, 141120525, 206253075, 265182525, 300540195, 300540195, 265182525, 206253075, 141120525, 84672315, 44352165, 20160075, 7888725, 2629575, 736281, 169911, 31465, 4495, 465, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010947

a(n)=C(31, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence anux3g3eug2mm

1, 32, 496, 4960, 35960, 201376, 906192, 3365856, 10518300, 28048800, 64512240, 129024480, 225792840, 347373600, 471435600, 565722720, 601080390, 565722720, 471435600, 347373600, 225792840, 129024480, 64512240, 28048800, 10518300, 3365856, 906192, 201376, 35960, 4960, 496, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010948

a(n)=C(32, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 55d4iia4i0kkh

1, 33, 528, 5456, 40920, 237336, 1107568, 4272048, 13884156, 38567100, 92561040, 193536720, 354817320, 573166440, 818809200, 1037158320, 1166803110, 1166803110, 1037158320, 818809200, 573166440, 354817320, 193536720, 92561040, 38567100, 13884156, 4272048, 1107568, 237336, 40920, 5456, 528, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010949

a(n)=C(33, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 4kxvcjv0conin

1, 34, 561, 5984, 46376, 278256, 1344904, 5379616, 18156204, 52451256, 131128140, 286097760, 548354040, 927983760, 1391975640, 1855967520, 2203961430, 2333606220, 2203961430, 1855967520, 1391975640, 927983760, 548354040, 286097760, 131128140, 52451256, 18156204, 5379616, 1344904, 278256, 46376, 5984, 561, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010950

a(n)=C(34, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence um24xkezqduud

1, 35, 595, 6545, 52360, 324632, 1623160, 6724520, 23535820, 70607460, 183579396, 417225900, 834451800, 1476337800, 2319959400, 3247943160, 4059928950, 4537567650, 4537567650, 4059928950, 3247943160, 2319959400, 1476337800, 834451800, 417225900, 183579396, 70607460, 23535820, 6724520, 1623160, 324632, 52360, 6545, 595, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010951

a(n)=C(35, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence k2tuyvxzzluwf

1, 36, 630, 7140, 58905, 376992, 1947792, 8347680, 30260340, 94143280, 254186856, 600805296, 1251677700, 2310789600, 3796297200, 5567902560, 7307872110, 8597496600, 9075135300, 8597496600, 7307872110, 5567902560, 3796297200, 2310789600, 1251677700, 600805296, 254186856, 94143280, 30260340, 8347680, 1947792, 376992, 58905, 7140, 630, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010952

a(n)=C(36, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence v4z222bth5jmh

1, 37, 666, 7770, 66045, 435897, 2324784, 10295472, 38608020, 124403620, 348330136, 854992152, 1852482996, 3562467300, 6107086800, 9364199760, 12875774670, 15905368710, 17672631900, 17672631900, 15905368710, 12875774670, 9364199760, 6107086800, 3562467300, 1852482996, 854992152, 348330136, 124403620, 38608020, 10295472, 2324784, 435897, 66045, 7770, 666, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010953

a(n)=C(37, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence kiyomcvchpicp

1, 38, 703, 8436, 73815, 501942, 2760681, 12620256, 48903492, 163011640, 472733756, 1203322288, 2707475148, 5414950296, 9669554100, 15471286560, 22239974430, 28781143380, 33578000610, 35345263800, 33578000610, 28781143380, 22239974430, 15471286560, 9669554100, 5414950296, 2707475148, 1203322288, 472733756, 163011640, 48903492, 12620256, 2760681, 501942, 73815, 8436, 703, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010954

a(n)=C(38, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence ca3i0js23nonf

1, 39, 741, 9139, 82251, 575757, 3262623, 15380937, 61523748, 211915132, 635745396, 1676056044, 3910797436, 8122425444, 15084504396, 25140840660, 37711260990, 51021117810, 62359143990, 68923264410, 68923264410, 62359143990, 51021117810, 37711260990, 25140840660, 15084504396, 8122425444, 3910797436, 1676056044, 635745396, 211915132, 61523748, 15380937, 3262623, 575757, 82251, 9139, 741, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010955

a(n)=C(39, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence obzumqx3xwvfl

1, 40, 780, 9880, 91390, 658008, 3838380, 18643560, 76904685, 273438880, 847660528, 2311801440, 5586853480, 12033222880, 23206929840, 40225345056, 62852101650, 88732378800, 113380261800, 131282408400, 137846528820, 131282408400, 113380261800, 88732378800, 62852101650, 40225345056, 23206929840, 12033222880, 5586853480, 2311801440, 847660528, 273438880, 76904685, 18643560, 3838380, 658008, 91390, 9880, 780, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010956

a(n)=C(40, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence tt4b4o44r2krf

1, 41, 820, 10660, 101270, 749398, 4496388, 22481940, 95548245, 350343565, 1121099408, 3159461968, 7898654920, 17620076360, 35240152720, 63432274896, 103077446706, 151584480450, 202112640600, 244662670200, 269128937220, 269128937220, 244662670200, 202112640600, 151584480450, 103077446706, 63432274896, 35240152720, 17620076360, 7898654920, 3159461968, 1121099408, 350343565, 95548245, 22481940, 4496388, 749398, 101270, 10660, 820, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010957

a(n)=C(41, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence yq3z2fzylgogj

1, 42, 861, 11480, 111930, 850668, 5245786, 26978328, 118030185, 445891810, 1471442973, 4280561376, 11058116888, 25518731280, 52860229080, 98672427616, 166509721602, 254661927156, 353697121050, 446775310800, 513791607420, 538257874440, 513791607420, 446775310800, 353697121050, 254661927156, 166509721602, 98672427616, 52860229080, 25518731280, 11058116888, 4280561376, 1471442973, 445891810, 118030185, 26978328, 5245786, 850668, 111930, 11480, 861, 42, 1, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010958

a(n)=C(42, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence p4qan4chsgyye

1, 43, 903, 12341, 123410, 962598, 6096454, 32224114, 145008513, 563921995, 1917334783, 5752004349, 15338678264, 36576848168, 78378960360, 151532656696, 265182149218, 421171648758, 608359048206, 800472431850, 960566918220, 1052049481860, 1052049481860, 960566918220, 800472431850, 608359048206, 421171648758, 265182149218, 151532656696, 78378960360, 36576848168, 15338678264, 5752004349, 1917334783, 563921995, 145008513, 32224114, 6096454, 962598, 123410, 12341, 903, 43, 1, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010959

a(n)=C(43, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence xgbkddpdcynao

1, 44, 946, 13244, 135751, 1086008, 7059052, 38320568, 177232627, 708930508, 2481256778, 7669339132, 21090682613, 51915526432, 114955808528, 229911617056, 416714805914, 686353797976, 1029530696964, 1408831480056, 1761039350070, 2012616400080, 2104098963720, 2012616400080, 1761039350070, 1408831480056, 1029530696964, 686353797976, 416714805914, 229911617056, 114955808528, 51915526432, 21090682613, 7669339132, 2481256778, 708930508, 177232627, 38320568, 7059052, 1086008, 135751, 13244, 946, 44, 1, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010960

a(n)=C(44, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence oah1v31v32ctl

1, 45, 990, 14190, 148995, 1221759, 8145060, 45379620, 215553195, 886163135, 3190187286, 10150595910, 28760021745, 73006209045, 166871334960, 344867425584, 646626422970, 1103068603890, 1715884494940, 2438362177020, 3169870830126, 3773655750150, 4116715363800, 4116715363800, 3773655750150, 3169870830126, 2438362177020, 1715884494940, 1103068603890, 646626422970, 344867425584, 166871334960, 73006209045, 28760021745, 10150595910, 3190187286, 886163135, 215553195, 45379620, 8145060, 1221759, 148995, 14190, 990, 45, 1, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010961

a(n)=C(45, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence raudhiztdppm

1, 46, 1035, 15180, 163185, 1370754, 9366819, 53524680, 260932815, 1101716330, 4076350421, 13340783196, 38910617655, 101766230790, 239877544005, 511738760544, 991493848554, 1749695026860, 2818953098830, 4154246671960, 5608233007146, 6943526580276, 7890371113950, 8233430727600, 7890371113950, 6943526580276, 5608233007146, 4154246671960, 2818953098830, 1749695026860, 991493848554, 511738760544, 239877544005, 101766230790, 38910617655, 13340783196, 4076350421, 1101716330, 260932815, 53524680, 9366819, 1370754, 163185, 15180, 1035, 46, 1, 1, 1, 1, more...

integer, non-monotonic, +, A010962

a(n)=C(46, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 23t0otyjlks3e

1, 47, 1081, 16215, 178365, 1533939, 10737573, 62891499, 314457495, 1362649145, 5178066751, 17417133617, 52251400851, 140676848445, 341643774795, 751616304549, 1503232609098, 2741188875414, 4568648125690, 6973199770790, 9762479679106, 12551759587422, 14833897694226, 16123801841550, 16123801841550, 14833897694226, 12551759587422, 9762479679106, 6973199770790, 4568648125690, 2741188875414, 1503232609098, 751616304549, 341643774795, 140676848445, 52251400851, 17417133617, 5178066751, 1362649145, 314457495, 62891499, 10737573, 1533939, 178365, 16215, 1081, 47, 1, 1, 1, more...

integer, non-monotonic, +, A010963

a(n)=C(47, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence r14rgdgn0gtwi

1, 48, 1128, 17296, 194580, 1712304, 12271512, 73629072, 377348994, 1677106640, 6540715896, 22595200368, 69668534468, 192928249296, 482320623240, 1093260079344, 2254848913647, 4244421484512, 7309837001104, 11541847896480, 16735679449896, 22314239266528, 27385657281648, 30957699535776, 32247603683100, 30957699535776, 27385657281648, 22314239266528, 16735679449896, 11541847896480, 7309837001104, 4244421484512, 2254848913647, 1093260079344, 482320623240, 192928249296, 69668534468, 22595200368, 6540715896, 1677106640, 377348994, 73629072, 12271512, 1712304, 194580, 17296, 1128, 48, 1, 1, more...

integer, non-monotonic, +, A010964

a(n)=C(48, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence ovd0gpqie2jwn

1, 49, 1176, 18424, 211876, 1906884, 13983816, 85900584, 450978066, 2054455634, 8217822536, 29135916264, 92263734836, 262596783764, 675248872536, 1575580702584, 3348108992991, 6499270398159, 11554258485616, 18851684897584, 28277527346376, 39049918716424, 49699896548176, 58343356817424, 63205303218876, 63205303218876, 58343356817424, 49699896548176, 39049918716424, 28277527346376, 18851684897584, 11554258485616, 6499270398159, 3348108992991, 1575580702584, 675248872536, 262596783764, 92263734836, 29135916264, 8217822536, 2054455634, 450978066, 85900584, 13983816, 1906884, 211876, 18424, 1176, 49, 1, more...

integer, non-monotonic, +, A017765

a(n)=C(49, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence e33ub5pqpdw5f

1, 50, 1225, 19600, 230300, 2118760, 15890700, 99884400, 536878650, 2505433700, 10272278170, 37353738800, 121399651100, 354860518600, 937845656300, 2250829575120, 4923689695575, 9847379391150, 18053528883775, 30405943383200, 47129212243960, 67327446062800, 88749815264600, 108043253365600, 121548660036300, 126410606437752, 121548660036300, 108043253365600, 88749815264600, 67327446062800, 47129212243960, 30405943383200, 18053528883775, 9847379391150, 4923689695575, 2250829575120, 937845656300, 354860518600, 121399651100, 37353738800, 10272278170, 2505433700, 536878650, 99884400, 15890700, 2118760, 230300, 19600, 1225, 50, more...

integer, non-monotonic, +, A017766

a(n)=C(50, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence p5eerh5bof3fn

1, 51, 1275, 20825, 249900, 2349060, 18009460, 115775100, 636763050, 3042312350, 12777711870, 47626016970, 158753389900, 476260169700, 1292706174900, 3188675231420, 7174519270695, 14771069086725, 27900908274925, 48459472266975, 77535155627160, 114456658306760, 156077261327400, 196793068630200, 229591913401900, 247959266474052, 247959266474052, 229591913401900, 196793068630200, 156077261327400, 114456658306760, 77535155627160, 48459472266975, 27900908274925, 14771069086725, 7174519270695, 3188675231420, 1292706174900, 476260169700, 158753389900, 47626016970, 12777711870, 3042312350, 636763050, 115775100, 18009460, 2349060, 249900, 20825, 1275, more...

integer, non-monotonic, +, A017767

a(n)=C(51, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence twhl334cyb5qi

1, 52, 1326, 22100, 270725, 2598960, 20358520, 133784560, 752538150, 3679075400, 15820024220, 60403728840, 206379406870, 635013559600, 1768966344600, 4481381406320, 10363194502115, 21945588357420, 42671977361650, 76360380541900, 125994627894135, 191991813933920, 270533919634160, 352870329957600, 426384982032100, 477551179875952, 495918532948104, 477551179875952, 426384982032100, 352870329957600, 270533919634160, 191991813933920, 125994627894135, 76360380541900, 42671977361650, 21945588357420, 10363194502115, 4481381406320, 1768966344600, 635013559600, 206379406870, 60403728840, 15820024220, 3679075400, 752538150, 133784560, 20358520, 2598960, 270725, 22100, more...

integer, non-monotonic, +, A017768

a(n)=C(52, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence hjpdsp2zwlpgc

1, 53, 1378, 23426, 292825, 2869685, 22957480, 154143080, 886322710, 4431613550, 19499099620, 76223753060, 266783135710, 841392966470, 2403979904200, 6250347750920, 14844575908435, 32308782859535, 64617565719070, 119032357903550, 202355008436035, 317986441828055, 462525733568080, 623404249591760, 779255311989700, 903936161908052, 973469712824056, 973469712824056, 903936161908052, 779255311989700, 623404249591760, 462525733568080, 317986441828055, 202355008436035, 119032357903550, 64617565719070, 32308782859535, 14844575908435, 6250347750920, 2403979904200, 841392966470, 266783135710, 76223753060, 19499099620, 4431613550, 886322710, 154143080, 22957480, 2869685, 292825, more...

integer, non-monotonic, +, A017769

a(n)=C(53, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence 4gjol04blhejg

1, 54, 1431, 24804, 316251, 3162510, 25827165, 177100560, 1040465790, 5317936260, 23930713170, 95722852680, 343006888770, 1108176102180, 3245372870670, 8654327655120, 21094923659355, 47153358767970, 96926348578605, 183649923622620, 321387366339585, 520341450264090, 780512175396135, 1085929983159840, 1402659561581460, 1683191473897752, 1877405874732108, 1946939425648112, 1877405874732108, 1683191473897752, 1402659561581460, 1085929983159840, 780512175396135, 520341450264090, 321387366339585, 183649923622620, 96926348578605, 47153358767970, 21094923659355, 8654327655120, 3245372870670, 1108176102180, 343006888770, 95722852680, 23930713170, 5317936260, 1040465790, 177100560, 25827165, 3162510, more...

integer, non-monotonic, +, A017770

a(n)=C(54, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence cqelohjhyx31d

1, 55, 1485, 26235, 341055, 3478761, 28989675, 202927725, 1217566350, 6358402050, 29248649430, 119653565850, 438729741450, 1451182990950, 4353548972850, 11899700525790, 29749251314475, 68248282427325, 144079707346575, 280576272201225, 505037289962205, 841728816603675, 1300853625660225, 1866442158555975, 2488589544741300, 3085851035479212, 3560597348629860, 3824345300380220, 3824345300380220, 3560597348629860, 3085851035479212, 2488589544741300, 1866442158555975, 1300853625660225, 841728816603675, 505037289962205, 280576272201225, 144079707346575, 68248282427325, 29749251314475, 11899700525790, 4353548972850, 1451182990950, 438729741450, 119653565850, 29248649430, 6358402050, 1217566350, 202927725, 28989675, more...

integer, non-monotonic, +, A017771

a(n)=C(55, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence imxf3kzsuvwhb

1, 56, 1540, 27720, 367290, 3819816, 32468436, 231917400, 1420494075, 7575968400, 35607051480, 148902215280, 558383307300, 1889912732400, 5804731963800, 16253249498640, 41648951840265, 97997533741800, 212327989773900, 424655979547800, 785613562163430, 1346766106565880, 2142582442263900, 3167295784216200, 4355031703297275, more...

integer, strictly-monotonic, +, A017772

a(n)=C(56, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

Sequence e0cdznfbzt21p

1, 57, 1596, 29260, 395010, 4187106, 36288252, 264385836, 1652411475, 8996462475, 43183019880, 184509266760, 707285522580, 2448296039700, 7694644696200, 22057981462440, 57902201338905, 139646485582065, 310325523515700, 636983969321700, 1210269541711230, 2132379668729310, 3489348548829780, more...

integer, strictly-monotonic, +, A017773

a(n)=C(57, n)
C(n,k)=binomial coefficient
n≥0
3 operations
Combinatoric

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