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 | 28 |
5 | 140 |
6 | 956 |
7 | 3520 |
8 | 17792 |
9 | 111600 |
10 | 1144400 |
11 | 4884064 |
12 | 34907936 |
13 | 214869920 |
14 | 1881044032 |
15 | 25687617152 |
16 | 139175009920 |
17 | 1098825972608 |
18 | 8770328141888 |
19 | 74286112885504 |
20 | 784394159958848 |
21 | 15114871659653952 |
22 | 92392468773724544 |
23 | 889380453354852416 |
24 | 7652770202041529856 |