A039000 - OEIS

%I #20 Jun 20 2021 14:51:12

%S 2,3,8,11,15,19,21,26,28,30,35,36,47,51,59,61,65,69,73,75,80,86,88,92,

%T 96,100,102,107,110,114,126,136,138,143,144,155,159,166,172,174,179,

%U 185,187,190,192,197,198,209,213,221,223,227,231,235,237,242,247,253

%N Numbers whose base-3 representation has the same number of 0's and 1's.

%H Daniel Starodubtsev, <a href="/A039000/b039000.txt">Table of n, a(n) for n = 1..10000</a>

%t Select[Range[300],DigitCount[#,3,0]==DigitCount[#,3,1]&] (* _Harvey P. Dale_, Sep 04 2020 *)

%Y Cf. A007089, A077267, A062756.

%K nonn,base,easy

%O 1,1

%A _Olivier Gérard_