%I A043738
%S A043738 21,37,41,43,45,53,69,73,75,77,81,83,87,89,91,93,101,105,107,
%T A043738 109,117,133,137,139,141,145,147,151,153,155,157,161,163,167,
%U A043738 175,177,179,183,185,187,189,197,201,203,205,209,211,215,217
%N A043738 Numbers n such that number of runs in the base 2 representation of n 
               is congruent to 5 mod 6.
%Y A043738 Sequence in context: A043683 A043572 A043728 this_sequence A043744 A043751 
               A043759
%Y A043738 Adjacent sequences: A043735 A043736 A043737 this_sequence A043739 A043740 
               A043741
%K A043738 nonn,base
%O A043738 1,1
%A A043738 Clark Kimberling (ck6(AT)evansville.edu)