|
%I #12 Jun 26 2021 20:29:30
%S 0,1,2,3,5,6,8,9,10,11,12,13,14,15,17,18,20,21,22,23,24,25,26,27,29,
%T 30,32,33,34,35,36,37,38,39,41,42,44,45,46,47,55,60,61,62,63,65,66,68,
%U 69,70,71,72,73,74,75,77,78,80,81,82,83,88,96,97,98,99,101,102,104
%N Numbers whose base-12 representation has the same number of 4's and 7's.
%t Select[Range[0,150],DigitCount[#,12,4]==DigitCount[#,12,7]&] (* _Harvey P. Dale_, Jul 22 2020 *)
%K nonn,base,easy
%O 1,3
%A _Olivier Gérard_
|
