%I

%S 1,2,3,4,5,6,7,8,10,12,13,14,15,16,17,18,19,21,23,24,25,26,27,28,29,

%T 30,32,34,35,36,37,38,39,40,41,43,45,46,47,48,49,50,51,52,54,56,57,58,

%U 59,60,61,62,63,65,67,68,69,70,71,72,73,74,76,78,79,80,81,82,83,84

%N Numbers whose base-11 representation has the same number of 0's and 9's.

%K nonn,base,easy

%O 1,2

%A _Olivier GĂ©rard_