%I #10 May 24 2023 00:01:07
%S 48,67,76,112,131,140,176,193,194,196,200,208,224,263,267,269,270,275,
%T 284,291,300,305,306,308,312,323,332,368,387,396,432,449,450,452,456,
%U 464,480,519,523,525,526,531,540,547,556,561
%N Numbers whose base-4 representation contains exactly two 0's and one 3.
%t Select[Range[600],DigitCount[#,4,0]==2&&DigitCount[#,4,3]==1&] (* _Harvey P. Dale_, Sep 22 2016 *)
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _Clark Kimberling_