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 | 10 |
3 | 160 |
4 | 10400 |
5 | 3390400 |
6 | 6635012800 |
7 | 90899675360000 |
8 | 9962695319131360000 |
9 | 9827302289744364817600000 |
10 | 96937502343569678741652977600000 |
11 | 10518214548789290471667075399621491200000 |
12 | 13695360582395151673134516587047571322777664000000 |