A044747 - OEIS

%I #5 Mar 30 2012 18:56:46

%S 34,134,234,334,349,434,534,634,734,834,934,1034,1134,1234,1334,1349,

%T 1434,1534,1634,1734,1834,1934,2034,2134,2234,2334,2349,2434,2534,

%U 2634,2734,2834,2934,3034,3134,3234,3334,3349,3499

%N Numbers n such that string 3,4 occurs in the base 10 representation of n but not of n+1.

%K nonn,base

%O 1,1

%A _Clark Kimberling_