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 | 10 |
4 | 310 |
5 | 363010 |
6 | 594665194510 |
7 | 1871071000515058250871610 |
8 | 21362861761506953021644584296874581450310229239910 |