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 | 1 |
2 | -1 |
3 | -3 |
4 | 150 |
5 | 1236 |
6 | -2555748 |
7 | -64342116 |
8 | 5885700899760 |
9 | 442646611978752 |
10 | -1737387344860364226240 |
11 | -367706581563500487774720 |
12 | 60788555325888838346137808787840 |
13 | 34626906551623392401873575206240000 |
14 | -237458311254822429335982538087618909465992960 |