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) |
---|---|
3 | 0 |
4 | 4 |
5 | 36 |
6 | 288 |
7 | 2400 |
8 | 21600 |
9 | 211680 |
10 | 2257920 |
11 | 26127360 |
12 | 326592000 |
13 | 4390848000 |
14 | 63228211200 |
15 | 971415244800 |
16 | 15866448998400 |
17 | 274611617280000 |
18 | 5021469573120000 |
19 | 96746980442112000 |
20 | 1959126353952768000 |