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 | 3 |
3 | 12 |
4 | 58 |
5 | 352 |
6 | 2376 |
7 | 19296 |
8 | 168912 |
9 | 1670976 |
10 | 18000000 |
11 | 219916800 |
12 | 2781561600 |
13 | 39605760000 |
14 | 584889984000 |
15 | 9253091635200 |
16 | 154909552896000 |
17 | 2834240274432000 |
18 | 52918877491200000 |
19 | 1074184895250432000 |