%I #5 Mar 30 2012 18:56:46
%S 66,147,228,309,390,471,552,602,633,714,795,876,957,1038,1119,1200,
%T 1281,1331,1362,1443,1524,1605,1686,1767,1848,1929,2010,2060,2091,
%U 2172,2253,2334,2415,2496,2577,2658,2739,2789,2820
%N Numbers n such that string 7,3 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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