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) |
---|---|
1 | 1 |
2 | 2 |
3 | 48 |
4 | 207360 |
5 | 5643509760000 |
6 | 74508333765820416000000000 |
7 | 68238227014337640914957453230080000000000000000 |
8 | 958098594568198616022876832154309463351366075411333120000000000000000000000000 |