A134716 - OEIS

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A134716 as a simple table

n	a(n)
0	1
1	2
2	12
3	180
4	27720
5	122522400
6	130429015516800
7	1970992304700453905270400
8	1897544233056092162003806758651798777216000
9	4368924363354820808981210203132513655327781713900627249499856876120704000

[1,2,12,180,27720,122522400,130429015516800, 1970992304700453905270400, 1897544233056092162003806758651798777216000, 43689243633548208089812102031325136553277817139006\ 27249499856876120704000]