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 | 192 |
3 | 4542720 |
4 | 12116689944576 |
5 | 3544863978266468352000 |
6 | 112387469554685044937510092800000 |
7 | 383669915612621265759587438135691539652804608 |
8 | 140496256399491641572818822014023027580848616806252629983232 |