A044365 - OEIS

A044365

Numbers n such that string 3,3 occurs in the base 10 representation of n but not of n-1.

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

%S 33,133,233,330,433,533,633,733,833,933,1033,1133,1233,1330,1433,1533,

%T 1633,1733,1833,1933,2033,2133,2233,2330,2433,2533,2633,2733,2833,

%U 2933,3033,3133,3233,3300,3433,3533,3633,3733,3833

%N Numbers n such that string 3,3 occurs in the base 10 representation of n but not of n-1.

%K nonn,base

%O 1,1

%A _Clark Kimberling_