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 | 2 |
2 | 6 |
3 | 72 |
4 | 17280 |
5 | 2903040000 |
6 | 669139107840000000000 |
7 | 1858095376984393503473664000000000000000000000 |
8 | 17605663024171636760609250204915381895780997959633600512000000000000000000000000000000000000000000 |