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%I #10 May 19 2023 19:53:58
%S 106,154,166,169,298,394,418,424,427,430,442,490,538,550,553,586,610,
%T 616,619,622,634,646,649,658,664,667,670,673,676,679,685,694,697,730,
%U 742,745,874,922,934,937,1066,1162,1186,1192
%N Numbers whose base-4 representation contains exactly one 1 and three 2's.
%t Select[Range[1200],DigitCount[#,4,1]==1&&DigitCount[#,4,2]==3&] (* _Harvey P. Dale_, Apr 21 2016 *)
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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