A085404 - OEIS

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A085404 as a simple table

n	a(n)
1	1
2	75
3	79380
4	1310904000
5	344319762124800
6	1444887697908695040000
7	96976611786040182520676352000
8	104131021972308383324202529613414400000
9	1788970984376098024967914354100894418012733440000

[1,75,79380,1310904000,344319762124800, 1444887697908695040000, 96976611786040182520676352000, 104131021972308383324202529613414400000, 1788970984376098024967914354100894418012733440000]