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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A341223 Expansion of (-1 + Product_{k>=1} 1 / (1 - x^k))^5.

Table of values

n a(n)
5 1
6 10
7 55
8 225
9 765
10 2287
11 6215
12 15680
13 37265
14 84300
15 182933
16 383070
17 777705
18 1536490
19 2963120
20 5592060
21 10349465
22 18817760
23 33665870
24 59341785
25 103176877
26 177131330
27 300530125
28 504318530
29 837632700
30 1377874861
31 2246061540
32 3630059510
33 5819556060
34 9258393655
35 14622472250

List of values

[1, 10, 55, 225, 765, 2287, 6215, 15680, 37265, 84300, 182933, 383070, 777705, 1536490, 2963120, 5592060, 10349465, 18817760, 33665870, 59341785, 103176877, 177131330, 300530125, 504318530, 837632700, 1377874861, 2246061540, 3630059510, 5819556060, 9258393655, 14622472250]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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