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 | 0 |
1 | 1 |
2 | 24 |
3 | 1260 |
4 | 134400 |
5 | 27825600 |
6 | 10899173376 |
7 | 7971621181440 |
8 | 10829569720320000 |
9 | 27308175266547302400 |
10 | 128069656186139600486400 |
11 | 1120848255964556990600970240 |
12 | 18380825707334913958072025088000 |
13 | 567246092895752640232676105650176000 |