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 | 1 |
2 | 2 |
3 | 7 |
4 | 400 |
5 | 25664160401 |
6 | 11133592066966265230223312802560009320400030085606006 |