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 | 5 |
2 | 130 |
3 | 25636 |
4 | 28716740 |
5 | 236631565960 |
6 | 12705797338650000 |
7 | 4767029025189356900000 |
8 | 12126770507151944803953632800 |
9 | 212318208746951339013683682117800000 |
10 | 25425834059910484466764205797889644291200000 |