%I #15 May 08 2021 06:11:48
%S 1,64,5832,884736,216000000,80621568000,43912253952000,
%T 33560740233216000,34835065137266688000,47784725839872000000000,
%U 84653556693609480192000000,189912972073787235237888000000,530482432188949589775089664000000,1818063982946861510421834104832000000
%N a(n) = (n*n!)^3.
%F a(n) = (A001563(n))^3.
%p seq((n*(n)!)^3, n=1..20) ;
%o (PARI) a(n)=(n*n!)^3 \\ _Charles R Greathouse IV_, Oct 30 2018
%Y Cf. A001563, A176128.
%K nonn,easy
%O 1,2
%A _Peter Szmodics_, Oct 30 2018
%E a(9)-a(14) corrected by _Georg Fischer_, May 08 2021
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