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 | 2 |
1 | 12 |
2 | 288 |
3 | 17280 |
4 | 2073600 |
5 | 435456000 |
6 | 146313216000 |
7 | 73741860864000 |
8 | 53094139822080000 |
9 | 52563198423859200000 |
10 | 69383421919494144000000 |
11 | 119061952013851951104000000 |
12 | 260031303198252661211136000000 |
13 | 709885457731229765106401280000000 |
14 | 2385215137976932010757508300800000000 |