n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 48 |
5 | 576 |
6 | 2304 |
7 | 15360 |
8 | 614400 |
9 | 1548288000 |
10 | 3901685760000 |
11 | 9832248115200000 |
12 | 24777265250304000000 |
13 | 62438708430766080000000 |
14 | 157345545245530521600000000 |
15 | 5154640062243579887616000000000 |
[1,2,4,48,576,2304,15360,614400,1548288000, 3901685760000,9832248115200000, 24777265250304000000,62438708430766080000000, 157345545245530521600000000, 5154640062243579887616000000000] |