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%I
%S 33,82,131,180,229,237,278,327,376,425,474,523,572,580,621,670,719,
%T 768,817,866,915,923,964,1013,1062,1111,1160,1209,1258,1266,1307,1356,
%U 1405,1454,1503,1552,1601,1609,1665,1699,1748,1797
%N Numbers n such that string 4,5 occurs in the base 7 representation of n but not of n+1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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