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Numbers whose base-3 representation has 3 more 0's than 2's.
0

%I #9 Jul 04 2021 18:26:55

%S 27,82,84,90,108,162,245,247,249,253,255,261,271,273,279,297,325,327,

%T 333,351,405,487,489,495,513,567,734,736,740,742,744,748,750,758,760,

%U 762,766,768,774,784,786,792,812,814,816,820

%N Numbers whose base-3 representation has 3 more 0's than 2's.

%t Select[Range[1000],DigitCount[#,3,2]+3==DigitCount[#,3,0]&] (* _Harvey P. Dale_, Jun 20 2019 *)

%Y Cf. A007089.

%K nonn,base

%O 1,1

%A _Clark Kimberling_