%I #14 Jun 20 2021 15:02:45
%S 1,3,4,5,6,8,10,11,12,13,14,22,24,25,26,27,29,31,32,33,34,36,38,39,40,
%T 41,43,45,46,47,48,51,57,59,60,61,62,63,71,73,74,75,76,78,80,81,82,83,
%U 85,87,88,89,90,92,94,95,96,97,99,101,102,103,104,105,119,126,133,140
%N Numbers whose base-7 representation has the same number of 0's and 2's.
%H Daniel Starodubtsev, <a href="/A039031/b039031.txt">Table of n, a(n) for n = 1..10000</a>
%t Select[Range[150],DigitCount[#,7,0]==DigitCount[#,7,2]&] (* _Harvey P. Dale_, Sep 22 2019 *)
%Y Cf. A007093.
%K nonn,base,easy
%O 1,2
%A _Olivier GĂ©rard_