%I A037906
%S A037906 0,0,1,0,1,0,1,0,1,2,1,1,0,1,1,2,1,0,1,0,2,1,2,0,1,0,1,2,1,3,
%T A037906 2,3,1,2,1,1,2,1,1,0,1,1,2,1,1,2,1,3,2,3,1,2,1,0,1,0,2,1,2,0,
%U A037906 1,0,2,3,2,2,1,2,2,3,2,0,1,0,2,1,2,0,1,0,1,2,1,3,2,3,1,2,1,3
%N A037906 Number of i such that |d(i)-d(i-1)|=1, where Sum{d(i)*3^i: i=0,1,...,
               m} is base 3 representation of n.
%Y A037906 Sequence in context: A131576 A100073 A075685 this_sequence A120936 A101675 
               A051764
%Y A037906 Adjacent sequences: A037903 A037904 A037905 this_sequence A037907 A037908 
               A037909
%K A037906 nonn,base
%O A037906 1,10
%A A037906 Clark Kimberling (ck6(AT)evansville.edu)