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 | 2 |
2 | 8 |
3 | 54 |
4 | 480 |
5 | 5400 |
6 | 72720 |
7 | 1144080 |
8 | 20563200 |
9 | 415860480 |
10 | 9344160000 |
11 | 230958604800 |
12 | 6227499801600 |
13 | 181909958630400 |
14 | 5722470212659200 |
15 | 192874123233792000 |
16 | 6934147333521408000 |
17 | 264875092391669760000 |