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 | 0 |
2 | 0 |
3 | 6 |
4 | 36 |
5 | 150 |
6 | 3780 |
7 | 77406 |
8 | 1059156 |
9 | 21669990 |
10 | 640319940 |
11 | 16622025486 |
12 | 450085011156 |
13 | 15416323450710 |
14 | 561938117029380 |
15 | 20587443165165246 |
16 | 835816881563118036 |
17 | 37282225483118856390 |
18 | 1722621978491064495300 |
19 | 83817942806509377794286 |