%I #14 Jun 28 2021 04:35:09
%S 18,39,54,75,90,109,110,112,113,114,120,132,138,147,162,183,198,225,
%T 231,235,236,238,239,243,249,255,270,291,306,325,326,328,329,330,336,
%U 348,354,363,378,399,414,441,447,451,452,454,455,459,465,471,486,507
%N Numbers whose base-6 representation has the same nonzero number of 0's and 3's.
%t Select[Range[600],DigitCount[#,6,0]==DigitCount[#,6,3]>0&] (* _Harvey P. Dale_, Aug 23 2018 *)
%Y Cf. A007092.
%K nonn,base,easy
%O 1,1
%A _Olivier GĂ©rard_