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 | 8 |
2 | 3072 |
3 | 141557760 |
4 | 1461147874099200 |
5 | 5429466527263925207040000 |
6 | 10652562037579218110269404217344000000 |
7 | 15215364593060190936848463156185060517032755200000000 |