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Numbers that cannot be written as sum of products of two successive primes.
2

%I #4 Mar 30 2012 18:50:54

%S 1,2,3,4,5,7,8,9,10,11,13,14,16,17,19,20,22,23,25,26,28,29,31,32,34,

%T 37,38,40,43,44,46,49,52,55,58,61,64,67,73,79

%N Numbers that cannot be written as sum of products of two successive primes.

%C A116357(a(n)) = 0; complement of A116359.

%K nonn,fini,full

%O 1,2

%A _Reinhard Zumkeller_, Feb 12 2006