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 | 2 |
3 | 6 |
4 | 24 |
5 | 120 |
6 | 720 |
7 | 5040 |
8 | 40320 |
9 | 362879 |
10 | 3628718 |
11 | 39912738 |
12 | 478842196 |
13 | 6221523082 |
14 | 87002638276 |
15 | 1302313974900 |
16 | 20763508263000 |
17 | 351019617373500 |
18 | 6266271456118776 |
19 | 117671982989344680 |
20 | 2316256222907194304 |
21 | 47635421509263043024 |
22 | 1020455890785584587168 |