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 | 1 |
3 | -4 |
4 | 4 |
5 | -16 |
6 | 3056 |
7 | -1856 |
8 | 181312 |
9 | -35853056 |
10 | 1670556928 |
11 | -39832634368 |
12 | 545273832448 |
13 | -19385421824 |
14 | 53026545299456 |
15 | -2753673793480966144 |
16 | 68423881271489019904 |
17 | -22654998127210332160 |