A044388 - OEIS

A044388

Numbers n such that string 5,6 occurs in the base 10 representation of n but not of n-1.

%I #5 Mar 30 2012 18:56:44

%S 56,156,256,356,456,556,560,656,756,856,956,1056,1156,1256,1356,1456,

%T 1556,1560,1656,1756,1856,1956,2056,2156,2256,2356,2456,2556,2560,

%U 2656,2756,2856,2956,3056,3156,3256,3356,3456,3556

%N Numbers n such that string 5,6 occurs in the base 10 representation of n but not of n-1.

%K nonn,base

%O 1,1

%A _Clark Kimberling_