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 | 52 |
3 | -18660 |
4 | 24446016 |
5 | -85000104000 |
6 | 647188836814080 |
7 | -9486416237249952000 |
8 | 244072502056661870592000 |
9 | -10282514440038927957603532800 |
10 | 671904022157076034864609763328000 |
11 | -65203712913305114275839483698454528000 |