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%I #10 May 24 2023 00:01:18
%S 3135,3279,3315,3324,3855,3891,3900,4035,4044,4080,4351,4927,5071,
%T 5107,5116,7231,7375,7411,7420,7951,7987,7996,8131,8140,8176,8447,
%U 9023,9167,9203,9212,11327,11471,11507,11516,12047
%N Numbers whose base-4 representation contains exactly two 0's and four 3's.
%t Select[Range[15000],DigitCount[#,4,0]==2&&DigitCount[#,4,3]==4&] (* _Harvey P. Dale_, Jan 16 2015 *)
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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