%I #14 Feb 05 2023 09:24:05

%S 12,37,52,57,60,61,63,67,87,137,162,177,182,185,186,188,192,212,252,

%T 257,260,261,263,267,277,282,285,286,288,292,300,301,303,305,306,308,

%U 315,316,318,327,332,335,336,338,342,387,412,427

%N Numbers whose base-5 representation contains exactly two 2's and no 4's.

%t Select[Range[500],DigitCount[#,5,2]==2&&DigitCount[#,5,4]==0&] (* _Harvey P. Dale_, Apr 21 2011 *)

%Y Cf. A007091.

%K nonn,base

%O 1,1

%A _Clark Kimberling_