%I #5 Mar 30 2012 18:56:45
%S 33,69,105,141,177,203,213,249,285,321,357,393,419,429,465,501,537,
%T 573,609,635,645,681,717,753,789,825,851,861,897,933,969,1005,1041,
%U 1067,1077,1113,1149,1185,1223,1257,1283,1293,1329
%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_