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 | 12 |
4 | 0 |
5 | 120 |
6 | 10800 |
7 | 3360 |
8 | 766080 |
9 | 56064960 |
10 | 76507200 |
11 | 12988926720 |
12 | 885913459200 |
13 | 3162288729600 |
14 | 477701680135680 |
15 | 31728803730624000 |
16 | 230820218044416000 |
17 | 32828647402065715200 |
18 | 2173902177236319129600 |
19 | 27658882036996206796800 |
20 | 3801535675181689116672000 |
21 | 255228267875636473786368000 |