%I #12 Jun 30 2021 04:32:11
%S 42,102,163,223,284,344,372,383,394,416,427,438,449,460,462,463,464,
%T 466,467,468,469,470,472,482,526,586,647,707,768,828,889,949,1010,
%U 1070,1092,1103,1114,1122,1123,1124,1126,1127,1128,1129,1130,1132
%N Numbers whose base-11 representation has the same nonzero number of 3's and 9's.
%t Select[Range[1200],DigitCount[#,11,3]==DigitCount[#,11,9]>0&] (* _Harvey P. Dale_, Apr 27 2016 *)
%K nonn,base,easy
%O 1,1
%A _Olivier GĂ©rard_
|