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 | 19 |
2 | 2252052 |
3 | 125575149020464 |
4 | 3624877924928635307525440 |
5 | 55204136490632334691332479792745796875 |
6 | 446207680704793917097310140821019734826847707500000000 |