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Numbers n such that string 8,6 occurs in the base 9 representation of n but not of n+1.
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%I #5 Mar 30 2012 18:56:46

%S 78,159,240,321,402,483,564,645,710,726,807,888,969,1050,1131,1212,

%T 1293,1374,1439,1455,1536,1617,1698,1779,1860,1941,2022,2103,2168,

%U 2184,2265,2346,2427,2508,2589,2670,2751,2832,2897

%N Numbers n such that string 8,6 occurs in the base 9 representation of n but not of n+1.

%K nonn,base

%O 1,1

%A _Clark Kimberling_