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%I #4 Mar 30 2012 18:50:54
%S 6,12,15,18,21,24,27,30,33,35,36,39,41,42,45,47,48,50,51,53,54,56,57,
%T 59,60,62,63,65,66,68,69,70,71,72,74,75,76,77,78,80,81,82,83,84,85,86,
%U 87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107
%N Numbers that can be written as sum of products of two successive primes.
%C A116357(a(n)) > 0; complement of A116358.
%e 45 = 2*3 + 2*3 + 2*3 + 2*3 + 2*3 + 3*5 =
%e = 3*5 + 3*5 + 3*5, therefore 45 is a term: A116357(45)=2.
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, Feb 12 2006
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