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.

A024277 E.g.f.: log(1+tanh(x)*tan(x))/2 (even powers only).

Table of values

n a(n)
0 0
1 1
2 -6
3 176
4 -8176
5 691456
6 -86186496
7 15358324736
8 -3667315849216
9 1135407181398016
10 -441731548179726336
11 211079248633366839296
12 -121507103129359646457856
13 82940335057202543199256576

List of values

[0, 1, -6, 176, -8176, 691456, -86186496, 15358324736, -3667315849216, 1135407181398016, -441731548179726336, 211079248633366839296, -121507103129359646457856, 82940335057202543199256576]

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

Content is available under The OEIS End-User License Agreement.