%I #5 Mar 30 2012 18:56:45
%S 59,123,187,251,315,379,443,479,507,571,635,699,763,827,891,955,991,
%T 1019,1083,1147,1211,1275,1339,1403,1467,1503,1531,1595,1659,1723,
%U 1787,1851,1915,1979,2015,2043,2107,2171,2235,2299,2363
%N Numbers n such that string 7,3 occurs in the base 8 representation of n but not of n+1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_