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) |
---|---|
2 | 2 |
3 | 3 |
4 | 40 |
5 | 5 |
6 | 576 |
7 | 11767 |
8 | 221824 |
9 | 168561 |
10 | 6371200 |
11 | 174442081 |
12 | 4680778752 |
13 | 4377478573 |
14 | 202076363776 |
15 | 7342081491375 |
16 | 260552186822656 |
17 | 226934809133761 |
18 | 14420591159943168 |
19 | 677361585374052121 |
20 | 30335097991823360000 |