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 | 0 |
1 | 1 |
2 | 2 |
3 | 288 |
4 | 24883200 |
5 | 5056584744960000 |
6 | 6658606584104736522240000000 |
7 | 127313963299399416749559771247411200000000000 |
8 | 69113789582492712943486800506462734562847413501952000000000000000 |