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%I #2 Mar 30 2012 18:39:28
%S 1,0,1,1,0,0,1,0,1,0,0,1,1,0,1,0,0,1,1,0,1,1,0,0,1,0,1,1,0,1,1,0,0,1,
%T 0,1,1,0,0,1,0,0,1,0,0,1,1,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,0,0,1,0,1,
%U 1,0,1,1,0,0,1,0,0,1,1,0,1,0,0,1,0,0,1,1,0,1,0,0,1,1,0,1,0,0,1,1,0,1,1,0,1
%N a(n)=(1/2)*(A000002(A078649(n))-A000002(A078649(n)+2)+1)
%C A000002(A078649(n))=A000002(A078649(n)+1)
%K nonn
%O 1,1
%A _Benoit Cloitre_, Feb 07 2009