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 | 0 |
2 | 196560 |
3 | 16773120 |
4 | -18919981080 |
5 | -3292295086080 |
6 | 2312547886368720 |
7 | 640457437563740160 |
8 | -302667453389051314200 |
9 | -123005476312830648176640 |
10 | 39529719620247267255853008 |
11 | 23306082528463942764630528000 |
12 | -4849033309391159571741461446680 |