login
Numbers whose base-6 representation has the same number of 0's, 4's and 5's.
0

%I #12 Jul 01 2021 03:40:08

%S 1,2,3,7,8,9,13,14,15,19,20,21,43,44,45,49,50,51,55,56,57,79,80,81,85,

%T 86,87,91,92,93,115,116,117,121,122,123,127,128,129,149,174,184,204,

%U 245,250,259,260,261,265,266,267,271,272,273,295,296,297,301,302,303

%N Numbers whose base-6 representation has the same number of 0's, 4's and 5's.

%t Select[Range[400],DigitCount[#,6,0]==DigitCount[#,6,4]==DigitCount[#,6,5]&] (* _Harvey P. Dale_, Jan 18 2020 *)

%Y Cf. A007092.

%K nonn,base,easy

%O 1,2

%A _Olivier GĂ©rard_