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) |
---|---|
0 | 1 |
1 | 2 |
2 | 16 |
3 | 156 |
4 | 2160 |
5 | 36720 |
6 | 753120 |
7 | 17992800 |
8 | 491500800 |
9 | 15102339840 |
10 | 515630707200 |
11 | 19365156518400 |
12 | 793401964185600 |
13 | 35214960849868800 |
14 | 1683239666985676800 |
15 | 86204093846846976000 |
16 | 4709107007890661376000 |
17 | 273324248772505362432000 |
18 | 16797372435596048744448000 |