A044339 - OEIS

A044339

Numbers n such that string 0,7 occurs in the base 10 representation of n but not of n-1.

%I #5 Mar 30 2012 18:56:43

%S 107,207,307,407,507,607,707,807,907,1007,1070,1107,1207,1307,1407,

%T 1507,1607,1707,1807,1907,2007,2070,2107,2207,2307,2407,2507,2607,

%U 2707,2807,2907,3007,3070,3107,3207,3307,3407,3507

%N Numbers n such that string 0,7 occurs in the base 10 representation of n but not of n-1.

%K nonn,base

%O 1,1

%A _Clark Kimberling_