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Numbers whose base-12 representation has the same number of 8's and 11's.
0

%I #11 Jun 27 2021 10:45:29

%S 0,1,2,3,4,5,6,7,9,10,12,13,14,15,16,17,18,19,21,22,24,25,26,27,28,29,

%T 30,31,33,34,36,37,38,39,40,41,42,43,45,46,48,49,50,51,52,53,54,55,57,

%U 58,60,61,62,63,64,65,66,67,69,70,72,73,74,75,76,77,78,79,81,82

%N Numbers whose base-12 representation has the same number of 8's and 11's.

%t Select[Range[0,100],DigitCount[#,12,8]==DigitCount[#,12,11]&] (* _Harvey P. Dale_, May 18 2021 *)

%K nonn,base,easy

%O 1,3

%A _Olivier GĂ©rard_