n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 12 |
5 | 60 |
6 | 120 |
7 | 240 |
8 | 720 |
9 | 7920 |
10 | 55440 |
11 | 1275120 |
12 | 2550240 |
13 | 33153120 |
14 | 961440480 |
15 | 2884321440 |
16 | 118257179040 |
17 | 236514358080 |
18 | 1182571790400 |
19 | 20103720436800 |
20 | 1065497183150400 |
21 | 39423395776564800 |
22 | 118270187329694400 |
[1,2,4,12,60,120,240,720,7920,55440,1275120, 2550240,33153120,961440480,2884321440, 118257179040,236514358080,1182571790400, 20103720436800,1065497183150400,39423395776564800, 118270187329694400] |