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 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 24 |
5 | 60 |
6 | 120 |
7 | 210 |
8 | 20496 |
9 | 181944 |
10 | 1059120 |
11 | 4990590 |
12 | 180292200 |
13 | 3191349876 |
14 | 36598884504 |
15 | 327837512730 |
16 | 7732754793120 |
17 | 194896185648240 |
18 | 3574721299186656 |
19 | 51311061420097014 |
20 | 1105883184455171640 |
21 | 32127696556638165420 |
22 | 812811279492629700360 |