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 | 1 |
2 | 4 |
3 | 44 |
4 | 1216 |
5 | 80640 |
6 | 12460032 |
7 | 4393091072 |
8 | 3479212916736 |
9 | 6113821454237696 |
10 | 23602899265140031488 |
11 | 198562423940692641316864 |
12 | 3615246879908004653107773440 |
13 | 141631725381846630255125115961344 |