Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 2 |
1 | 12 |
2 | 120 |
3 | 504 |
4 | 1440 |
5 | 3168 |
6 | 3931200 |
7 | 8640 |
8 | 41126400 |
9 | 579156480 |
10 | 2395008000 |
11 | 1001548800 |
12 | 2615348736000 |
13 | 5748019200 |
14 | 21670032384000 |
15 | 7491404919398400 |
16 | 21341245685760000 |
17 | 251073478656000 |
18 | 24574743184592240640000 |
19 | 76828484468736000 |
20 | 65834328341259878400000 |
[2,12,120,504,1440,3168,3931200,8640,41126400, 579156480,2395008000,1001548800,2615348736000, 5748019200,21670032384000,7491404919398400, 21341245685760000,251073478656000, 24574743184592240640000,76828484468736000, 65834328341259878400000] |