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%I #14 Mar 31 2022 13:21:14
%S 8,16,28,38,40,42,44,48,58,66,76,80,82,84,86,96,108,116,128,138,140,
%T 142,144,148,168,178,188,190,192,194,198,200,202,204,208,210,212,214,
%U 216,220,222,224,228,238,240,242,244,248,258,266,278,288,290,292,294
%N Numbers whose base-5 representation has the same nonzero number of 1's and 3's.
%t Select[Range[300],DigitCount[#,5,1]==DigitCount[#,5,3]>0&] (* _Harvey P. Dale_, Mar 31 2022 *)
%Y Cf. A007091.
%K nonn,base,easy
%O 1,1
%A _Olivier GĂ©rard_