cp's OEIS Frontend

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.

A102072 E.g.f. sec(arcsinh(x)) = cosec(arccosh(x)) (even powers only).

Table of values

n a(n)
0 1
1 1
2 1
3 25
4 -415
5 35825
6 -3356575
7 492769225
8 -96314333375
9 24701457990625
10 -8006683308349375
11 3204344303824405625
12 -1551453429875871169375
13 893896220277392770140625
14 -604413346665043743464609375

List of values

[1, 1, 1, 25, -415, 35825, -3356575, 492769225, -96314333375, 24701457990625, -8006683308349375, 3204344303824405625, -1551453429875871169375, 893896220277392770140625, -604413346665043743464609375]

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

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