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 | 1 |
3 | 1 |
4 | 2 |
5 | 6 |
6 | 30 |
7 | 270 |
8 | 5100 |
9 | 229380 |
10 | 27535260 |
11 | 9496469340 |
12 | 10086965678520 |
13 | 34571745136244520 |
14 | 403054252638271664040 |
15 | 16565160940382442188713320 |
16 | 2510059126960200448967150682000 |
17 | 1444160075122431073529236697462766000 |