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%I #2 Mar 30 2012 17:39:45
%S 9,9,8,5,0,9,5,0,0,6,0,7,5,7,3,7,5,4,5,8,7,1,5,0,2,1,3,5,7,8,1,3,1,2,
%T 7,7,8,4,8,2,0,9,9,3,2,9,9,6,8,6,2,1,5,9,0,3,6
%N Decimal expansion of Product_{q in A001358} (1-1/(q^4*(q-1))).
%C Semiprime analog of A065416.
%F The logarithm is -sum_{s>=2} sum_{j=1..floor[s/(1+r)]} binomial(s-r*j-1,j-1)*P_2(s)/j at r=4, where P_k(s) are the k-almost prime zeta functions of arXiv:0803.0900.
%e 0.998509500607573754... = (1-1/768)*(1-1/6480)*(1-1/52488)*..
%K nonn,cons,less
%O 0,1
%A _R. J. Mathar_, Feb 13 2009