%I #11 Jun 26 2021 06:46:46
%S 0,1,2,3,4,5,6,7,8,11,12,13,14,15,16,17,18,19,22,23,24,25,26,27,28,29,
%T 30,33,34,35,36,37,38,39,40,41,44,45,46,47,48,49,50,51,52,55,56,57,58,
%U 59,60,61,62,63,66,67,68,69,70,71,72,73,74,77,78,79,80,81,82,83
%N Numbers whose base-11 representation has the same number of 9's and 10's.
%t Select[Range[0,100],DigitCount[#,11,9]==DigitCount[#,11,10]&] (* _Harvey P. Dale_, Sep 17 2020 *)
%K nonn,base,easy
%O 1,3
%A _Olivier GĂ©rard_
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