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 | 3 |
2 | 12 |
3 | 60 |
4 | 396 |
5 | 3240 |
6 | 30960 |
7 | 337680 |
8 | 4152960 |
9 | 56790720 |
10 | 853675200 |
11 | 13990838400 |
12 | 248242579200 |
13 | 4739385530880 |
14 | 96860893409280 |
15 | 2109714647040000 |
16 | 48780176949504000 |
17 | 1193187564259891200 |
18 | 30781385655513292800 |
19 | 835194405961256140800 |