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) |
---|---|
6 | 1 |
7 | 7 |
8 | 56 |
9 | 504 |
10 | 5040 |
11 | 55440 |
12 | 665280 |
13 | 8648640 |
14 | 121080960 |
15 | 1816214400 |
16 | 29059430400 |
17 | 494010316800 |
18 | 8892185702400 |
19 | 168951528345600 |
20 | 3379030566912000 |
21 | 70959641905152000 |
22 | 1561112121913344000 |
23 | 35905578804006912000 |
24 | 861733891296165888000 |
25 | 21543347282404147200000 |