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 | 9 |
2 | 729 |
3 | 1027243729 |
4 | 1000000302700030542431027243729 |
5 | 1000000000000000000003000000302700000000003000000605400030542431000000302700030542431027243729 |