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 | 0 |
2 | 0 |
3 | 0 |
4 | 5040 |
5 | 6249600 |
6 | 15958978560 |
7 | 138492255928320 |
8 | 3264016697241108480 |
9 | 167083534977568918732800 |
10 | 26809984170742141560784158720 |
11 | 15381567503446460704398211326935040 |