login
Numbers n such that string 9,4 occurs in the base 10 representation of n but not of n+1.
0

%I #5 Mar 30 2012 18:56:47

%S 94,194,294,394,494,594,694,794,894,949,994,1094,1194,1294,1394,1494,

%T 1594,1694,1794,1894,1949,1994,2094,2194,2294,2394,2494,2594,2694,

%U 2794,2894,2949,2994,3094,3194,3294,3394,3494,3594

%N Numbers n such that string 9,4 occurs in the base 10 representation of n but not of n+1.

%K nonn,base

%O 1,1

%A _Clark Kimberling_