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 | 1 |
2 | 2 |
3 | 66 |
4 | 1524 |
5 | 86100 |
6 | 19902600 |
7 | 3965056200 |
8 | 976304082600 |
9 | 384973061999400 |
10 | 347437227718904400 |
11 | 365434181398477976400 |
12 | 390696545168036224840800 |
13 | 475968229571639505471170400 |
14 | 784642922815221782474131569600 |
15 | 2070759893211522247088843511422400 |