%I #11 Jan 10 2017 13:10:24
%S 2,12,34560,125411328000,265790267296391946810949632000000000,
%T 792786697595796795607377086400871488552960000000000000
%N Product_{k=0..prime(n)} k!.
%e a(3) = 0!*1!*2!*3!*4!*5! = 1*1*2*6*24*120 = 34560.
%Y A subsequence of A000178.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Jan 10 2017