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 | 2 |
2 | 66 |
3 | 16104 |
4 | 16506600 |
5 | 51599631600 |
6 | 401290334953200 |
7 | 6744887949893385600 |
8 | 221023233230056352726400 |
9 | 13051421922234827628493920000 |
10 | 1305155243645404997677020493920000 |
11 | 210197862299579765685879504586803840000 |
12 | 52304164669591331834914454764848159918720000 |