%I #9 Jun 26 2021 06:46:41
%S 0,1,2,3,4,5,6,7,10,11,12,13,14,15,16,17,18,21,22,23,24,25,26,27,28,
%T 29,32,33,34,35,36,37,38,39,40,43,44,45,46,47,48,49,50,51,54,55,56,57,
%U 58,59,60,61,62,65,66,67,68,69,70,71,72,73,76,77,78,79,80,81,82,83
%N Numbers whose base-11 representation has the same number of 8's and 9's.
%K nonn,base,easy
%O 1,3
%A _Olivier GĂ©rard_