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 | 1 |
2 | 2 |
3 | 6 |
4 | 21 |
5 | 672 |
6 | 18144 |
7 | 32659200 |
8 | 204120000 |
9 | 12243879648000 |
10 | 550274933894400000 |
11 | 5577105239386480800000 |
12 | 870028417344291004800000 |
13 | 51097100257451535417918627840000 |
14 | 292528465778659685432564243496960000000 |