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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.

A330041 Expansion of e.g.f. exp(cosh(exp(x) - 1) - 1).

Table of values

n a(n)
0 1
1 0
2 1
3 3
4 11
5 55
6 322
7 2114
8 15556
9 127005
10 1135374
11 11011220
12 115080825
13 1288589757
14 15379512670
15 194796087841
16 2608470709562
17 36805935282625
18 545626818921885
19 8475730766054047
20 137637670315066835
21 2331584745107027528
22 41122505417366272200

List of values

[1, 0, 1, 3, 11, 55, 322, 2114, 15556, 127005, 1135374, 11011220, 115080825, 1288589757, 15379512670, 194796087841, 2608470709562, 36805935282625, 545626818921885, 8475730766054047, 137637670315066835, 2331584745107027528, 41122505417366272200]

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

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