%I #5 Mar 30 2012 18:56:43
%S 60,141,222,303,384,465,540,627,708,789,870,951,1032,1113,1194,1269,
%T 1356,1437,1518,1599,1680,1761,1842,1923,1998,2085,2166,2247,2328,
%U 2409,2490,2571,2652,2727,2814,2895,2976,3057,3138
%N Numbers n such that string 6,6 occurs in the base 9 representation of n but not of n-1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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