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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.

A012495 Expansion of e.g.f. arcsinh(sin(x)) (odd powers only).

Table of values

n a(n)
0 1
1 -2
2 20
3 -632
4 39440
5 -4087712
6 634237760
7 -137605112192
8 39776178356480
9 -14775064298435072
10 6857795892626969600
11 -3889298341511511652352
12 2646362625886738240901120
13 -2127690488032789501903020032

List of values

[1, -2, 20, -632, 39440, -4087712, 634237760, -137605112192, 39776178356480, -14775064298435072, 6857795892626969600, -3889298341511511652352, 2646362625886738240901120, -2127690488032789501903020032]

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

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