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 | 4 |
3 | 96 |
4 | 15360 |
5 | 17203200 |
6 | 138726604800 |
7 | 8203736501452800 |
8 | 3603868630142209228800 |
9 | 11873738053102139590311936000 |
10 | 295578185800614925763054760099840000 |
11 | 55920479534877093093661639943174183976960000 |