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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.

A380015 Expansion of e.g.f. 1/sqrt(1 - 2*x*exp(x)).

Table of values

n a(n)
0 1
1 1
2 5
3 36
4 361
5 4640
6 72771
7 1347598
8 28778849
9 696288888
10 18823644595
11 562350743306
12 18397666000209
13 654164843763340
14 25118967828553067
15 1035914449832324070
16 45665488606439586241
17 2142825945301659242576
18 106641225471890568771747
19 5610282675990428302440130

List of values

[1, 1, 5, 36, 361, 4640, 72771, 1347598, 28778849, 696288888, 18823644595, 562350743306, 18397666000209, 654164843763340, 25118967828553067, 1035914449832324070, 45665488606439586241, 2142825945301659242576, 106641225471890568771747, 5610282675990428302440130]

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

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