%I #5 Mar 30 2012 18:56:42
%S 54,103,152,201,250,299,348,378,397,446,495,544,593,642,691,721,740,
%T 789,838,887,936,985,1034,1064,1083,1132,1181,1230,1279,1328,1377,
%U 1407,1426,1475,1524,1573,1622,1671,1720,1750,1769,1818
%N Numbers n such that string 0,5 occurs in the base 7 representation of n but not of n-1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_