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 | 41 |
2 | 1640 |
3 | 65600 |
4 | 2624000 |
5 | 104960000 |
6 | 4198399180 |
7 | 167935934400 |
8 | 6717436064820 |
9 | 268697390145600 |
10 | 10747893507936000 |
11 | 429915656401920000 |
12 | 17196622899456671580 |
13 | 687864781713487950000 |
14 | 27514585897949409744420 |