%I #5 Mar 30 2012 18:56:45
%S 37,86,135,184,233,265,282,331,380,429,478,527,576,608,625,674,723,
%T 772,821,870,919,951,968,1017,1066,1115,1164,1213,1262,1294,1311,1360,
%U 1409,1458,1507,1556,1605,1637,1654,1703,1752,1801
%N Numbers n such that string 5,2 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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