%I #3 Mar 30 2012 18:50:54
%S 0,0,0,1,1,1,0,1,1,1,0,1,0,1,0,0,0,1,1,1,0,0,1,0,0,1,0,1,0,0,0,1,0,1,
%T 0,1,1,0,0,0,0,1,0,0,0,1,1,0,0,1,0,0,1,0,0,1,1,0,0,0,0,1,0,0,0,1,0,0,
%U 0,0,1,1,0,0,0,1,0,0,0,0,1,0,0,0,0,0,1,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,1
%N Number of ways to write the n-th prime as 2^k + p, where p is prime and p < 2^k.
%C 0 <= a(n) <= 1, a(n) <= A078687(n);
%C a(A049084(A118958(n))) = 0, a(A049084(A091932(n))) = 1;
%C a(n) = A118952(A000040(n)).
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, May 07 2006
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