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%I #9 Jul 04 2021 14:24:34
%S 64,128,257,258,260,264,272,288,320,384,513,514,516,520,528,544,576,
%T 640,768,1027,1029,1030,1033,1034,1036,1041,1042,1044,1048,1057,1058,
%U 1060,1064,1072,1089,1090,1092,1096
%N Numbers whose base-4 representation has 3 more 0's than 3's.
%t Select[Range[1100],DigitCount[#,4,3]+3==DigitCount[#,4,0]&] (* _Harvey P. Dale_, Apr 10 2018 *)
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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