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 | 714 |
2 | 172707247 |
3 | 85978533129243 |
4 | 43640411285319502254 |
5 | 22161121532525857186165916 |