A039188 - OEIS

%I #11 Jun 26 2021 06:48:01

%S 0,1,2,4,5,6,7,8,9,11,12,13,15,16,17,18,19,20,22,23,24,26,27,28,29,30,

%T 31,43,44,45,46,48,49,50,51,52,53,55,56,57,59,60,61,62,63,64,66,67,68,

%U 70,71,72,73,74,75,77,78,79,81,82,83,84,85,86,88,89,90,92,93,94

%N Numbers whose base-11 representation has the same number of 3's and 10's.

%t Select[Range[0,100],DigitCount[#,11,3]==DigitCount[#,11,10]&] (* _Harvey P. Dale_, Nov 21 2012 *)

%K nonn,base,easy

%O 1,3

%A _Olivier Gérard_