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Numbers whose base-4 representation contains exactly one 0 and two 3's.
0

%I #11 May 24 2023 04:00:16

%S 51,60,79,115,124,143,179,188,199,203,205,206,211,220,227,236,241,242,

%T 244,248,287,303,311,315,317,318,335,371,380,399,435,444,455,459,461,

%U 462,467,476,483,492,497,498,500,504,543,559

%N Numbers whose base-4 representation contains exactly one 0 and two 3's.

%t Select[Range[600],DigitCount[#,4,0]==1&&DigitCount[#,4,3]==2&] (* _Harvey P. Dale_, Jun 29 2015 *)

%Y Cf. A007090.

%K nonn,base

%O 1,1

%A _Clark Kimberling_