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 | 2 |
2 | 6 |
3 | 44 |
4 | 2064 |
5 | 4292864 |
6 | 18430828806144 |
7 | 339695459704759501186924544 |
8 | 115393005344028056118476170527365821430429589033713664 |
9 | 13315545682326887517994506072805639054664915214679444711916992466809542959290217586307654871548759705124864 |