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 | 2 |
2 | 6 |
3 | 15 |
4 | 105 |
5 | 1890 |
6 | 1787940 |
7 | 1598366509740 |
8 | 170318366632160334167580 |
9 | 4144049430320998104357181695998976956266032780 |
10 | 903849772681252048573050443706467978048458261112444760582668531605732820714345840478376380 |