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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.

A343482 Expansion of the e.g.f. sqrt(-1 + 2 / (1 - x) / exp(x)).

Table of values

n a(n)
0 1
1 0
2 1
3 2
4 6
5 24
6 135
7 930
8 7105
9 59192
10 549360
11 5746080
12 66713361
13 839528052
14 11308954657
15 163038260294
16 2520332282910
17 41640324943968
18 730119174449151
19 13507292654421390
20 263004450921933817
21 5385277610047242620
22 115775314245285797256
23 2606072891349667903152
24 61248210450060537498321

List of values

[1, 0, 1, 2, 6, 24, 135, 930, 7105, 59192, 549360, 5746080, 66713361, 839528052, 11308954657, 163038260294, 2520332282910, 41640324943968, 730119174449151, 13507292654421390, 263004450921933817, 5385277610047242620, 115775314245285797256, 2606072891349667903152, 61248210450060537498321]

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

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