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 | 120 |
2 | 315 |
3 | 4752 |
4 | 7744 |
5 | 24960 |
6 | 57915 |
7 | 3386880 |