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.

A292318 Expansion of Product_{k>=1} ((1 + k!*x^k)/(1 - k!*x^k)).

Table of values

n a(n)
0 1
1 2
2 6
3 22
4 90
5 434
6 2442
7 15874
8 118722
9 1009586
10 9640866
11 102243682
12 1191949122
13 15141785570
14 208068223458
15 3073613823778
16 48554040330210
17 816547584905186
18 14562214993474914
19 274463503469613538
20 5450631032885614050
21 113749623991878727394

List of values

[1, 2, 6, 22, 90, 434, 2442, 15874, 118722, 1009586, 9640866, 102243682, 1191949122, 15141785570, 208068223458, 3073613823778, 48554040330210, 816547584905186, 14562214993474914, 274463503469613538, 5450631032885614050, 113749623991878727394]