%I #13 Jun 26 2021 15:47:46
%S 1,2,3,4,5,6,7,8,10,11,13,14,15,16,17,18,19,20,22,23,25,26,27,28,29,
%T 30,31,32,34,35,37,38,39,40,41,42,43,44,46,47,49,50,51,52,53,54,55,56,
%U 58,59,61,62,63,64,65,66,67,68,70,71,73,74,75,76,77,78,79,80,82,83
%N Numbers whose base-12 representation has the same number of 0's and 9's.
%t Select[Range[120],DigitCount[#,12,0]==DigitCount[#,12,9]&] (* _Harvey P. Dale_, May 14 2011 *)
%K nonn,base,easy
%O 1,2
%A _Olivier GĂ©rard_