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 | 6 |
2 | 24336 |
3 | 870746557824 |
4 | 1311726482483997806493696 |
5 | 256433546267136937832915286844640487014400 |
6 | 15678550451426175377500759401206644047210595564950427820202393600 |