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 | -1 |
4 | 4 |
5 | -19 |
6 | 164 |
7 | -659 |
8 | 1408 |
9 | -18775 |
10 | 642224 |
11 | -3578279 |
12 | -21642752 |
13 | -476298835 |
14 | 11904106304 |
15 | 25626362581 |
16 | 68669145088 |
17 | -20903398375855 |
18 | 212840905389824 |
19 | -6399968826052559 |
20 | -78465506362130432 |
21 | 1010700510694925525 |
22 | 101465632831736751104 |
23 | -1123931378903214542099 |