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) |
---|---|
2 | 12 |
3 | 720 |
4 | 604800 |
5 | 201180672000 |
6 | 248562743869440000 |
7 | 2214873013052296396800000 |
8 | 43267632904897132203343872000000 |
9 | 3144771171972468579262286769684480000000 |
10 | 228577379063395778964892338453378050021130240000000000 |
11 | 72704382293164078453845555006677990228566567110574080000000000000 |