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 | 13 |
3 | -32 |
4 | 1666 |
5 | -13426 |
6 | 515194 |
7 | -1432000 |
8 | 1447711256 |
9 | -4097653768 |
10 | 256749458824 |
11 | -2204786032640 |
12 | 11533922227138736 |
13 | -33268276510233104 |
14 | 577462439822785168 |
15 | -1674851096410984448 |
16 | 6621155504764033947008 |
17 | -34711497070334170000000 |