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 | 3 |
3 | 125970 |
4 | 1278362451795 |
5 | 305565807424800745258151050335 |
6 | 2099072522743338791053378243660769678400212601239922213271230 |
7 | 330455532167461882998265688366895823334392289157931734871641555 |