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 | 12 |
4 | 108 |
5 | 1320 |
6 | 20400 |
7 | 381360 |
8 | 8366400 |
9 | 210712320 |
10 | 5991572160 |
11 | 189846961920 |
12 | 6632804344320 |
13 | 253310120743680 |
14 | 10498203901785600 |
15 | 469251125818675200 |
16 | 22501933753870771200 |
17 | 1152276591132072806400 |
18 | 62756742945031098163200 |
19 | 3622251744055050294988800 |