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 | 36 |
3 | 20160 |
4 | 174182400 |
5 | 23499295948800 |
6 | 50027557148216524800 |
7 | 1691555775522928280469504000 |
8 | 911666827031785075278550369566720000 |
9 | 7846393898179181843651374899795632943267840000 |