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.

A352648 Expansion of e.g.f. 1/(1 - 2 * x * cosh(x)).

Table of values

n a(n)
0 1
1 2
2 8
3 54
4 480
5 5290
6 70080
7 1083614
8 19145728
9 380552274
10 8404669440
11 204182993542
12 5411361939456
13 155365918497530
14 4803852288901120
15 159142710151610670
16 5623576097060290560
17 211138456468635968674
18 8393550198348236193792
19 352212802264773650385110

List of values

[1, 2, 8, 54, 480, 5290, 70080, 1083614, 19145728, 380552274, 8404669440, 204182993542, 5411361939456, 155365918497530, 4803852288901120, 159142710151610670, 5623576097060290560, 211138456468635968674, 8393550198348236193792, 352212802264773650385110]