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A363212
as a simple table
n
a(n)
1
0
2
3
3
8
4
24
5
120
6
728
7
840
8
5040
9
45368
10
46224
11
363608
12
403224
13
3674888
14
1401602635448
[0,3,8,24,120,728,840,5040,45368,46224,363608, 403224,3674888,1401602635448]