%I #5 Mar 30 2012 18:56:42
%S 33,69,105,141,177,198,213,249,285,321,357,393,414,429,465,501,537,
%T 573,609,630,645,681,717,753,789,825,846,861,897,933,969,1005,1041,
%U 1062,1077,1113,1149,1185,1188,1257,1278,1293,1329
%N Numbers n such that string 5,3 occurs in the base 6 representation of n but not of n-1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_