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) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 276 |
4 | 1161678 |
5 | 620383261034 |
6 | 80434777704834144228 |
7 | 3212151962391797592956111856142 |
8 | 58141033434729590882944205957642581926272684 |
9 | 738506234630963222745737660670442498620046849638365979249010 |