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) |
---|---|
1 | 2 |
2 | 60 |
3 | 1056 |
4 | 1260 |
5 | 1441440 |
6 | 551350800 |
7 | 42226984800 |
8 | 111924212400 |
9 | 11251629148359600 |
10 | 284440457440339200 |
11 | 582249616380374342400 |
12 | 621260340677859423340800 |
13 | 621260340677859423340800 |
14 | 921088919608373507667359523840000000 |