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 | 0 |
3 | 7 |
4 | -37 |
5 | 338 |
6 | -2816 |
7 | 28418 |
8 | -340334 |
9 | 5015080 |
10 | -84244704 |
11 | 1536606168 |
12 | -29753884392 |
13 | 609895549872 |
14 | -13243687082016 |
15 | 305507366834832 |
16 | -7523621131117296 |
17 | 198844500026698752 |
18 | -5649686902983730560 |
19 | 171839087043420258432 |
20 | -5545292300345590210944 |