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%I
%S 53,153,253,353,453,539,553,653,753,853,953,1053,1153,1253,1353,1453,
%T 1539,1553,1653,1753,1853,1953,2053,2153,2253,2353,2453,2539,2553,
%U 2653,2753,2853,2953,3053,3153,3253,3353,3453,3539
%N Numbers n such that string 5,3 occurs in the base 10 representation of n but not of n+1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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