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.

A301942 Expansion of e.g.f. arcsin(x)/cos(x) (odd powers only).

Table of values

n a(n)
0 1
1 4
2 44
3 1016
4 42384
5 2908544
6 306305856
7 46659144832
8 9760451385600
9 2683733034474496
10 936308392553036800
11 403127865773461755904
12 209562975305232836300800
13 129255511221696545852424192
14 93252273300325219683758915584
15 77766048645578119241905858314240

List of values

[1, 4, 44, 1016, 42384, 2908544, 306305856, 46659144832, 9760451385600, 2683733034474496, 936308392553036800, 403127865773461755904, 209562975305232836300800, 129255511221696545852424192, 93252273300325219683758915584, 77766048645578119241905858314240]