A039245 - OEIS

%I #12 Jan 03 2023 15:06:20

%S 0,1,2,4,5,6,7,8,9,11,12,13,14,16,17,18,19,20,21,23,24,25,26,28,29,30,

%T 31,32,33,35,46,48,49,50,52,53,54,55,56,57,59,60,61,62,64,65,66,67,68,

%U 69,71,72,73,74,76,77,78,79,80,81,83,84,85,86,88,89,90,91,92,93

%N Numbers whose base-12 representation has the same number of 3's and 10's.

%t Select[Range[0,100],DigitCount[#,12,3]==DigitCount[#,12,10]&] (* _Harvey P. Dale_, Jan 03 2023 *)

%K nonn,base,easy

%O 1,3

%A _Olivier Gérard_