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.

A302444 Expansion of e.g.f. arcsinh(x)/cos(x) (odd powers only).

Table of values

n a(n)
0 1
1 2
2 24
3 216
4 15936
5 -77056
6 90991744
7 -8523712768
8 2731708067840
9 -684815907467264
10 268028469798256640
11 -114888252320482000896
12 62022733722259702579200
13 -38635369828053720937463808
14 28349537098304682205749968896
15 -23874826868622028919177351004160

List of values

[1, 2, 24, 216, 15936, -77056, 90991744, -8523712768, 2731708067840, -684815907467264, 268028469798256640, -114888252320482000896, 62022733722259702579200, -38635369828053720937463808, 28349537098304682205749968896, -23874826868622028919177351004160]