%I #5 Mar 30 2012 18:56:42
%S 38,87,136,185,234,266,283,332,381,430,479,528,577,609,626,675,724,
%T 773,822,871,920,952,969,1018,1067,1116,1165,1214,1263,1295,1312,1361,
%U 1410,1459,1508,1557,1606,1638,1655,1704,1753,1802
%N Numbers n such that string 5,3 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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