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 | 3 |
3 | 168 |
4 | 3276000 |
5 | 877449500928000 |
6 | 207244701437748852512194560000 |
7 | 4000516840149319128119305958853265913416777728000000 |
8 | 796608816253064941944831363792070377592412324940256242675178274726476775424000000000 |