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.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 24 |
5 | 60 |
6 | 120 |
7 | 210 |
8 | 101136 |
9 | 1089144 |
10 | 7409520 |
11 | 39917790 |
12 | 4097460840 |
13 | 100410712116 |
14 | 1474154203704 |
15 | 16356956618730 |
16 | 786764261166240 |
17 | 30867868254267120 |
18 | 778327514455987296 |
19 | 14658714575197061814 |
20 | 522720977799308061240 |
21 | 25075479032600008569900 |