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Numbers n such that string 8,4 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 76,157,238,319,400,481,562,643,692,724,805,886,967,1048,1129,1210,

%T 1291,1372,1421,1453,1534,1615,1696,1777,1858,1939,2020,2101,2150,

%U 2182,2263,2344,2425,2506,2587,2668,2749,2830,2879

%N Numbers n such that string 8,4 occurs in the base 9 representation of n but not of n+1.

%K nonn,base

%O 1,1

%A _Clark Kimberling_