n | a(n) |
---|---|
1 | 4 |
2 | 12 |
3 | 144 |
4 | 2880 |
5 | 57600 |
6 | 1451520 |
7 | 40642560 |
8 | 1316044800 |
9 | 47377612800 |
10 | 1900678348800 |
11 | 83629847347200 |
12 | 4017175658496000 |
13 | 208893134241792000 |
14 | 11700158011224883200 |
15 | 702009480673492992000 |
[4,12,144,2880,57600,1451520,40642560,1316044800, 47377612800,1900678348800,83629847347200, 4017175658496000,208893134241792000, 11700158011224883200,702009480673492992000] |