%I #12 Jun 30 2021 04:32:48
%S 39,69,160,190,281,311,369,380,391,413,424,429,430,431,433,434,436,
%T 437,438,439,446,457,468,479,523,553,644,674,729,740,751,759,760,761,
%U 763,764,766,767,768,769,773,784,806,817,828,839,886,916,1007,1037
%N Numbers whose base-11 representation has the same nonzero number of 3's and 6's.
%t Select[Range[1100],DigitCount[#,11,3]==DigitCount[#,11,6]>0&] (* _Harvey P. Dale_, Jul 04 2019 *)
%K nonn,base,easy
%O 1,1
%A _Olivier GĂ©rard_
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