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 | 4 |
2 | 5824 |
3 | 45861064704 |
4 | 9751658280030585225216 |
5 | 176005320076923781520069562958715289600 |
6 | 656508955366282248103393001602851493819854909361664242483200 |