%I
%S 0,1,2,3,5,6,4,5,6,7,5,6,5,6,5,6,7,8,5,6,7,8,5,6,6,7,6,7,4,5,7,8,8,9,
%T 7,8,8,9,7,8,5,6,4,5,9,10,6,7,8,9,10,11,6,7,5,6,6,7,9,10,5,6,6,7,7,8,
%U 8,9,9,10,9,10,7,8,10,11,10,11,7,8,6,7,6,7,7,8,8,9,5,6,7,8,9,10,10,11,5,6,6
%N a(n) = sum of base2 digits of A037308(n) = sum of base10 digits of A037308(n).
%Y Cf. A037308, Sum of base2 digits of n = sum of base10 digits of n.
%K nonn,base,less
%O 0,3
%A _Zak Seidov_, Nov 29 2008
