A030185 - OEIS

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A030185 as a simple table

n	a(n)
1	1
2	720
3	911520
4	1301011200
5	1958042030400
6	3036508587993600
7	4800606078996518400
8	7692266556998230118400
9	12448466349673022940816000
10	20299324957420186505619072000
11	33301542920000564787678367257600

[1,720,911520,1301011200,1958042030400, 3036508587993600,4800606078996518400, 7692266556998230118400,12448466349673022940816000, 20299324957420186505619072000, 33301542920000564787678367257600]