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%I #10 Apr 22 2023 20:30:39
%S 10,26,34,38,40,41,74,90,98,102,104,105,130,134,136,137,146,150,152,
%T 153,160,161,164,165,266,282,290,294,296,297,330,346,354,358,360,361,
%U 386,390,392,393,402,406,408,409,416,417,420,421
%N Numbers whose base-4 representation contains exactly two 2's and no 3's.
%t Select[Range[500],DigitCount[#,4,2]==2&&DigitCount[#,4,3]==0&] (* _Harvey P. Dale_, Oct 28 2019 *)
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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