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A156258 a(n)=(1/2)*(A000002(A078649(n))-A000002(A078649(n)+2)+1) 0

%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

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