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) |
---|---|
3 | 6 |
4 | 3024 |
5 | 2874009600 |
6 | 159950125679984640000 |
7 | 20708778572935434707683938140160000000 |
8 | 302101709923756073800654275737927385319576932502732800000000000 |