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 | 1 |
2 | 9 |
3 | 168 |
4 | 4845 |
5 | 190080 |
6 | 9454725 |
7 | 570286080 |
8 | 40454959545 |
9 | 3300640358400 |
10 | 304513870485825 |
11 | 31348317192192000 |
12 | 3562533636856719525 |
13 | 443003419150516224000 |
14 | 59834227558379509360125 |
15 | 8722929933255903805440000 |
16 | 1365222778354029313094000625 |
17 | 228317457245013328565108736000 |