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%I #15 Jun 26 2022 23:00:27
%S 1,1,2,4,12,36,144,576,2304,9216,46080,230400,1382400,8294400,
%T 49766400,298598400,2090188800,14631321600,117050572800,936404582400,
%U 7491236659200,59929893273600,539369039462400,4854321355161600,43688892196454400
%N Partial products of pi(n), A000720.
%H Vincenzo Librandi, <a href="/A046993/b046993.txt">Table of n, a(n) for n = 2..600</a>
%t FoldList[Times,1,Table[PrimePi[n],{n,2,30}]] (* _Harvey P. Dale_, Dec 23 2012 *)
%K nonn
%O 2,3
%A _N. J. A. Sloane_, _Robert G. Wilson v_