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 | 3 |
2 | 126 |
3 | 9240 |
4 | 900900 |
5 | 104756652 |
6 | 13742520792 |
7 | 1968826448160 |
8 | 301700280152700 |
9 | 48756255150603000 |
10 | 8226155369009738160 |
11 | 1438285479229504301760 |
12 | 259131100507849025033760 |
13 | 47897087290614993606462000 |
14 | 9050997011303368719799740000 |