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%I #12 May 28 2023 22:19:57
%S 16,66,67,72,76,96,112,129,132,144,193,196,208,266,267,270,271,290,
%T 291,296,300,306,307,312,316,386,387,392,396,416,432,450,451,456,460,
%U 480,496,518,519,521,525,530,531,536,540,545,548
%N Numbers whose base-4 representation contains exactly two 0's and one 1.
%H Vincenzo Librandi, <a href="/A045024/b045024.txt">Table of n, a(n) for n = 1..1700</a>
%t Select[Range[8000], DigitCount[#, 4, 0] == 2 && DigitCount[#, 4, 1] == 1 &] (* _Vincenzo Librandi_, Sep 22 2016 *)
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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