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 | 10 |
4 | 150 |
5 | 7800 |
6 | 1583400 |
7 | 1388641800 |
8 | 5748977052000 |
9 | 121573617718644000 |
10 | 14099500314919737900000 |
11 | 9567497928695086546803000000 |
12 | 40313580569855830588349480391000000 |
13 | 1114446238307803607782300144651734867000000 |