n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 360 |
4 | 1680 |
5 | 27720 |
6 | 1965600 |
7 | 116396280 |
8 | 758696400 |
9 | 18465927480 |
10 | 3962129371200 |
11 | 5637782470320 |
12 | 546077803471200 |
13 | 592841333318073840 |
14 | 717574218173821008000 |
15 | 66020319718147594800 |
16 | 111304867624125438463200 |
[1,12,360,1680,27720,1965600,116396280,758696400, 18465927480,3962129371200,5637782470320, 546077803471200,592841333318073840, 717574218173821008000,66020319718147594800, 111304867624125438463200] |