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) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 24 |
4 | 373248 |
5 | 145563074713240071045120 |
6 | 4671362199215574200933052290575558394040074468464419088211590760845408889948035734306816000000000000000 |