%I
%S 0,1,2,3,4,5,8,9,10,11,12,13,14,15,16,17,20,21,22,23,24,25,26,27,28,
%T 29,32,33,34,35,36,37,38,39,40,41,44,45,46,47,48,49,50,51,52,53,56,57,
%U 58,59,60,61,62,63,64,65,68,69,70,71,79,90,96,97,98,99,100,101,104
%N Numbers n such that representation in base 12 has same number of 6's and 7's.
%t Select[Range[0,150],DigitCount[#,12,6]==DigitCount[#,12,7]&] (* _Harvey P. Dale_, Oct 06 2017 *)
%K nonn,base,easy
%O 1,3
%A _Olivier GĂ©rard_
