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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.

A385376 Expansion of e.g.f. 1/(1 - 2 * arcsin(x))^(1/2).

Table of values

n a(n)
0 1
1 1
2 3
3 16
4 117
5 1104
6 12687
7 172320
8 2698377
9 47880960
10 949330203
11 20801387520
12 499149710205
13 13018307696640
14 366673138800615
15 11092295404707840
16 358685609335654545
17 12346621534211604480
18 450741642786156589875
19 17395372731952677519360
20 707614393333663454022405

List of values

[1, 1, 3, 16, 117, 1104, 12687, 172320, 2698377, 47880960, 949330203, 20801387520, 499149710205, 13018307696640, 366673138800615, 11092295404707840, 358685609335654545, 12346621534211604480, 450741642786156589875, 17395372731952677519360, 707614393333663454022405]

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

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