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) |
---|---|
2 | 1 |
3 | 120 |
4 | 36935 |
5 | 25816200 |
6 | 36133755364 |
7 | 91850446178400 |
8 | 393327895035809180 |
9 | 2675039498159452367040 |
10 | 27560317167934730312259456 |
11 | 413843767423449662598795745920 |
12 | 8770587574512577781320579427273280 |