n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 12 |
3 | 6 |
4 | 120 |
5 | 120 |
6 | 280 |
7 | 140 |
8 | 5040 |
9 | 5040 |
10 | 55440 |
11 | 55440 |
12 | 720720 |
13 | 720720 |
14 | 720720 |
15 | 360360 |
16 | 24504480 |
17 | 24504480 |
18 | 155195040 |
19 | 155195040 |
20 | 31039008 |
21 | 10346336 |
22 | 237965728 |
23 | 713897184 |
24 | 17847429600 |
25 | 17847429600 |
26 | 160626866400 |
27 | 22946695200 |
[1,1,12,6,120,120,280,140,5040,5040,55440,55440, 720720,720720,720720,360360,24504480,24504480, 155195040,155195040,31039008,10346336,237965728, 713897184,17847429600,17847429600,160626866400, 22946695200] |