%I #10 May 21 2023 12:29:55
%S 49215,49359,49395,49404,49935,49971,49980,50115,50124,50160,52239,
%T 52275,52284,52419,52428,52464,52995,53004,53040,53184,61455,61491,
%U 61500,61635,61644,61680,62211,62220,62256,62400
%N Numbers whose base-4 representation contains exactly four 0's and four 3's.
%t Select[Range[65000],DigitCount[#,4,0]==DigitCount[#,4,3]==4&] (* _Harvey P. Dale_, May 02 2014 *)
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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