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 | 0 |
2 | 6 |
3 | 18 |
4 | 288 |
5 | 2520 |
6 | 41040 |
7 | 604800 |
8 | 11733120 |
9 | 236234880 |
10 | 5530291200 |
11 | 138790713600 |
12 | 3855483878400 |
13 | 115075344384000 |
14 | 3716149018982400 |
15 | 128239702246656000 |
16 | 4727462529613824000 |
17 | 185010460036706304000 |