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 | 12 |
4 | 72 |
5 | 650 |
6 | 6480 |
7 | 80906 |
8 | 1121512 |
9 | 18069264 |
10 | 320204160 |
11 | 6348340152 |
12 | 136915211664 |
13 | 3230148306216 |
14 | 82078412377416 |
15 | 2248247450065080 |
16 | 65771634671679360 |
17 | 2052879248516927232 |
18 | 67955959831214467584 |
19 | 2381716543764159438336 |