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) |
---|---|
0 | 1 |
1 | 3 |
2 | 252 |
3 | 1563022 |
4 | 563716946982 |
5 | 10517711119760250261 |
6 | 9692061982207456039533424586 |
7 | 430311348543725825536505706371595438684 |
8 | 906895928239445077568583988067142630846220290783969 |
9 | 89857639488565787203362892584824012528872539028234934088960440084 |