%I #5 Mar 30 2012 18:56:41
%S 19,35,51,67,76,83,99,115,131,140,147,163,179,195,204,211,227,243,259,
%T 268,275,291,304,323,332,339,355,371,387,396,403,419,435,451,460,467,
%U 483,499,515,524,531,547,560,579,588,595,611
%N Numbers n such that string 0,3 occurs in the base 4 representation of n but not of n-1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_