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 | 2 |
3 | 18 |
4 | 312 |
5 | 8240 |
6 | 297000 |
7 | 13705776 |
8 | 776778688 |
9 | 52511234688 |
10 | 4143702216960 |
11 | 375403993060800 |
12 | 38537107042934016 |
13 | 4435139176244554752 |
14 | 567238312617468850176 |
15 | 80029364113424328422400 |