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) |
---|---|
3 | 0 |
4 | 20 |
5 | 17226 |
6 | 8194791 |
7 | 1995724092 |
8 | 51267367432 |