%I

%S 11,75,88,139,203,267,331,395,459,523,587,600,651,704,779,843,907,971,

%T 1035,1099,1112,1163,1227,1291,1355,1419,1483,1547,1611,1624,1675,

%U 1739,1803,1867,1931,1995,2059,2123,2136,2187,2251

%N Numbers n such that string 1,3 occurs in the base 8 representation of n but not of n-1.

%K nonn,base

%O 1,1

%A _Clark Kimberling_