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 | 2 |
2 | 12 |
3 | 336 |
4 | 43680 |
5 | 24165120 |
6 | 53981544960 |
7 | 476410007808000 |
8 | 16517640193528320000 |
9 | 2252801478912508197273600 |
10 | 1212983979979000042023881932800 |
11 | 2587892965783744956308448364029542400 |
12 | 21943955209199862746410706867184116563968000 |