%I

%S 0,1,2,4,5,7,8,9,10,12,13,15,16,17,18,20,21,23,30,32,33,34,36,37,39,

%T 40,41,42,44,45,47,51,56,57,58,60,61,63,64,65,66,68,69,71,72,73,74,76,

%U 77,79,80,81,82,84,85,87,94,96,97,98,100,101,103,104,105,106,108,109

%N Numbers whose base-8 representation has the same number of 3's and 6's.

%K nonn,base,easy

%O 1,3

%A _Olivier GĂ©rard_