%I #12 Jun 26 2021 01:54:03
%S 0,3,4,5,6,7,8,9,12,21,30,33,34,35,36,37,38,39,40,43,44,45,46,47,48,
%T 49,50,53,54,55,56,57,58,59,60,63,64,65,66,67,68,69,70,73,74,75,76,77,
%U 78,79,80,83,84,85,86,87,88,89,90,93,94,95,96,97,98,99,102,120,123
%N Numbers whose base-10 representation has the same number of 1's and 2's.
%t Select[Range[0,150],DigitCount[#,10,1]==DigitCount[#,10,2]&] (* _Harvey P. Dale_, Apr 14 2015 *)
%K nonn,base,easy
%O 1,2
%A _Olivier GĂ©rard_
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