A039230 - OEIS

%I #14 Jun 26 2021 15:48:42

%S 0,1,4,5,6,7,8,9,10,11,12,13,16,17,18,19,20,21,22,23,27,38,48,49,52,

%T 53,54,55,56,57,58,59,60,61,64,65,66,67,68,69,70,71,72,73,76,77,78,79,

%U 80,81,82,83,84,85,88,89,90,91,92,93,94,95,96,97,100,101,102,103,104

%N Numbers whose base-12 representation has the same number of 2's and 3's.

%t Select[Range[0,150],DigitCount[#,12,2]==DigitCount[#,12,3]&] (* _Harvey P. Dale_, Feb 25 2013 *)

%K nonn,base,easy

%O 1,3

%A _Olivier Gérard_