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 | 720 |
2 | 410572800 |
3 | 4492717498368000 |
4 | 348990783113936240640000 |
5 | 118162808964225967251573964800000 |
6 | 130226468530398571130647349959852032000000 |
7 | 384446125794905598149974467971605129718661120000000 |
8 | 2644398446216951886577241780697447635225293650237849600000000 |