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 | 60 |
2 | 979200 |
3 | 4106059776000 |
4 | 4408780839651901440000 |
5 | 1211875293642881119668928512000000 |
6 | 85278137430613949474674174708223909560320000000 |