%I #5 Mar 30 2012 18:56:44
%S 68,168,268,368,468,568,668,680,768,868,968,1068,1168,1268,1368,1468,
%T 1568,1668,1680,1768,1868,1968,2068,2168,2268,2368,2468,2568,2668,
%U 2680,2768,2868,2968,3068,3168,3268,3368,3468,3568
%N Numbers n such that string 6,8 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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