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 | 552 |
2 | 182822400 |
3 | 34935377382604800 |
4 | 3845511050527581426155520000 |
5 | 243818371522804938361462294653739991040000 |
6 | 8904331592711942612922766177589119660252055149215744000000 |
7 | 187309027227336950425268745082789353880120643944720523727102076558245888000000 |