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 | 48 |
3 | 3932160 |
4 | 2958824445050880 |
5 | 65878553108096586952810168320 |
6 | 106856067198182393582849337977733120000000000000 |
7 | 26299193579608484719502346688357440131301651853401391104000000000000000 |