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 | 4 |
3 | 6912 |
4 | 1632586752 |
5 | 92771293593600000 |
6 | 1922167968750000000000000000 |
7 | 20386493620375898676722605059420979200000 |
8 | 147691962494584259939724821292542617401603191419699200000 |