A039189 - OEIS

%I #9 Jun 26 2021 06:48:04

%S 0,1,2,3,6,7,8,9,10,11,12,13,14,17,18,19,20,21,22,23,24,25,28,29,30,

%T 31,32,33,34,35,36,39,40,41,42,43,49,59,66,67,68,69,72,73,74,75,76,77,

%U 78,79,80,83,84,85,86,87,88,89,90,91,94,95,96,97,98,99,100,101,102

%N Numbers whose base-11 representation has the same number of 4's and 5's.

%K nonn,base,easy

%O 1,3

%A _Olivier Gérard_