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%I #5 Mar 30 2012 18:56:44
%S 18,43,68,94,118,143,168,193,219,243,268,293,318,344,368,393,418,443,
%T 474,493,518,543,568,594,618,643,668,693,719,743,768,793,818,844,868,
%U 893,918,943,969,993,1018,1043,1068,1099,1118
%N Numbers n such that string 3,3 occurs in the base 5 representation of n but not of n+1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_