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%I #15 May 21 2023 12:24:19
%S 2,6,8,9,18,22,24,25,32,33,36,37,66,70,72,73,82,86,88,89,96,97,100,
%T 101,128,129,132,133,144,145,148,149,258,262,264,265,274,278,280,281,
%U 288,289,292,293,322,326,328,329,338,342,344,345
%N Numbers whose base-4 representation contains exactly one 2 and no 3's.
%t Select[Range[400],DigitCount[#,4,2]==1&&DigitCount[#,4,3]==0&] (* _Harvey P. Dale_, Mar 14 2023 *)
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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