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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.

A295268 Expansion of e.g.f. 2/(1 + sqrt(1 - 4*LambertW(x))).

Table of values

n a(n)
0 1
1 1
2 2
3 15
4 104
5 1445
6 18144
7 364651
8 6761600
9 176898249
10 4376614400
11 140703601511
12 4370369292288
13 166520945009965
14 6235421191430144
15 274675339364551875
16 12046634866183798784
17 602474837696641959569
18 30289753591657339944960
19 1696072847731424941183039

List of values

[1, 1, 2, 15, 104, 1445, 18144, 364651, 6761600, 176898249, 4376614400, 140703601511, 4370369292288, 166520945009965, 6235421191430144, 274675339364551875, 12046634866183798784, 602474837696641959569, 30289753591657339944960, 1696072847731424941183039]

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

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