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 | 3 |
2 | 18 |
3 | 3654 |
4 | 32205621510 |
5 | 22027184720660994230386220070258 |
6 | 7047607950011539317413452449625581782178125646326877171638889103186225220299274232740598917544 |