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) |
---|---|
1 | 1 |
2 | -2 |
3 | 9 |
4 | -65 |
5 | 653 |
6 | -8432 |
7 | 133188 |
8 | -2488450 |
9 | 53683569 |
10 | -1313214351 |
11 | 35916970957 |
12 | -1086055854233 |
13 | 35975402985863 |
14 | -1295514629022924 |
15 | 50391598721116365 |
16 | -2105485003413499952 |
17 | 94047072252968125326 |
18 | -4472183077495496587696 |
19 | 225565085807090517308839 |