n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 3 |
5 | 60 |
6 | 360 |
7 | 70 |
8 | 1680 |
9 | 3780 |
10 | 75600 |
11 | 138600 |
12 | 285120 |
13 | 129729600 |
14 | 363242880 |
15 | 3405402000 |
16 | 1009008000 |
17 | 308756448000 |
18 | 5557616064000 |
19 | 52797352608000 |
20 | 351982350720000 |
21 | 221748880953600 |
22 | 1524523556556000 |
23 | 738190353700800 |
24 | 13464592051502592000 |
[1,1,2,3,3,60,360,70,1680,3780,75600,138600, 285120,129729600,363242880,3405402000,1009008000, 308756448000,5557616064000,52797352608000, 351982350720000,221748880953600,1524523556556000, 738190353700800,13464592051502592000] |