%I #11 May 29 2023 00:07:34
%S 54,83,87,99,135,163,165,171,189,248,250,254,258,262,264,272,276,288,
%T 298,300,306,326,330,342,378,406,408,414,432,490,496,498,514,516,522,
%U 568,570,576,594,743,745,751,761,763,767,771
%N Numbers whose base-3 representation contains exactly three 0's and one 2.
%t Select[Range[1000],DigitCount[#,3,0]==3&&DigitCount[#,3,2]==1&] (* _Harvey P. Dale_, Mar 27 2011 *)
%Y Cf. A007089.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
|