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) |
---|---|
3 | 1 |
4 | 840 |
5 | 352800 |
6 | 139708800 |
7 | 59935075200 |
8 | 29088489830400 |
9 | 16183777978368000 |
10 | 10339833534750720000 |
11 | 7563588230670151680000 |
12 | 6303583414831453470720000 |
13 | 5951909813793488171827200000 |
14 | 6330667711034891964579840000000 |