%I #5 Mar 30 2012 18:56:42
%S 39,103,167,231,295,312,359,423,487,551,615,679,743,807,824,871,935,
%T 999,1063,1127,1191,1255,1319,1336,1383,1447,1511,1575,1639,1703,1767,
%U 1831,1848,1895,1959,2023,2087,2151,2215,2279,2343
%N Numbers n such that string 4,7 occurs in the base 8 representation of n but not of n-1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_