%I #5 Mar 30 2012 18:56:45

%S 19,83,147,159,211,275,339,403,467,531,595,659,671,723,787,851,915,

%T 979,1043,1107,1171,1183,1279,1299,1363,1427,1491,1555,1619,1683,1695,

%U 1747,1811,1875,1939,2003,2067,2131,2195,2207,2259

%N Numbers n such that string 2,3 occurs in the base 8 representation of n but not of n+1.

%K nonn,base

%O 1,1

%A _Clark Kimberling_