%I #17 Jun 28 2021 04:34:18
%S 15,28,40,53,65,76,77,79,80,85,95,103,115,133,138,141,142,144,148,153,
%T 165,178,190,201,202,204,205,210,220,228,240,258,263,266,267,269,273,
%U 278,290,303,315,326,327,329,330,335,345,353,365,378,381,382,384,386
%N Numbers whose base-5 representation has the same nonzero number of 0's and 3's.
%H Vincenzo Librandi, <a href="/A039285/b039285.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Range[400],DigitCount[#,5,0]==DigitCount[#,5,3]>0&] (* _Harvey P. Dale_, Apr 18 2014 *)
%Y Cf. A007091.
%K nonn,base,easy
%O 1,1
%A _Olivier GĂ©rard_
|