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A045060 Numbers whose base-4 representation contains exactly four 0's and three 2's. 0

%I #10 May 27 2023 20:37:21

%S 8202,8226,8232,8322,8328,8352,8706,8712,8736,8832,10242,10248,10272,

%T 10368,10752,16426,16522,16546,16552,16906,16930,16936,17026,17032,

%U 17056,18442,18466,18472,18562,18568,18592,18946

%N Numbers whose base-4 representation contains exactly four 0's and three 2's.

%t Select[Range[20000],DigitCount[#,4,0]==4&&DigitCount[#,4,2]==3&] (* _Harvey P. Dale_, Jul 02 2022 *)

%Y Cf. A007090.

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified May 27 12:27 EDT 2024. Contains 372858 sequences. (Running on oeis4.)