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%I #11 Jun 25 2021 01:43:02
%S 0,1,2,5,6,7,8,9,10,11,14,15,16,17,18,19,20,23,24,25,26,31,39,45,46,
%T 47,50,51,52,53,54,55,56,59,60,61,62,63,64,65,68,69,70,71,72,73,74,77,
%U 78,79,80,81,82,83,86,87,88,89,90,91,92,95,96,97,98,99,100,101,104
%N Numbers whose base-9 representation has the same number of 3's and 4's.
%Y Cf. A007095.
%K nonn,base,easy
%O 1,3
%A _Olivier GĂ©rard_