Search: id:A159918
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%I A159918
%S A159918 0,1,1,2,1,3,2,3,1,3,3,5,2,4,3,4,1,3,3,5,3,6,5,3,2,5,4,6,3,5,4,5,1,3,3,
%T A159918 5,3,6,5,7,3,5,6,7,5,8,3,4,2,5,5,5,4,8,6,7,3,6,5,7,4,6,5,6,1,3,3,5,3,6,
%U A159918 5,7,3,6,6,9,5,7,7,5,3,6,5,8,6,7,7,7,5,9,8,5,3,6,4,5,2,5,5,6,5,9,5,7,4
%N A159918 Number of ones in binary representation of n^2.
%C A159918 a(n) = A000120(A000290(n));
%C A159918 a(A077436(n)) = A000120(A077436(n)).
%Y A159918 A007088.
%Y A159918 Sequence in context: A107337 A066376 A151682 this_sequence A108663 A057940 
               A097285
%Y A159918 Adjacent sequences: A159915 A159916 A159917 this_sequence A159919 A159920 
               A159921
%K A159918 nonn
%O A159918 0,4
%A A159918 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 25 2009

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