A172895 - OEIS

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A172895 as a simple table

n	a(n)
1	0
2	3
3	756
4	2571486
5	51386071001
6	4735169155116045
7	1673127629798953193698
8	1961572542256259206207069360
9	6782830842618515149125681541406256
10	62721314697296961151225820176430830979953

[0,3,756,2571486,51386071001,4735169155116045, 1673127629798953193698, 1961572542256259206207069360, 6782830842618515149125681541406256, 62721314697296961151225820176430830979953]