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 | 3 |
2 | 31 |
3 | 1684 |
4 | 271776 |
5 | 97484904 |
6 | 65617109160 |
7 | 74248657560720 |
8 | 130752443907524880 |
9 | 338450307621257099520 |
10 | 1232284889962378714855680 |
11 | 6094200542431309662145478400 |
12 | 39788645361978802435089535468800 |
13 | 334957784448996146804912925763507200 |