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A039470 Numbers n such that representation in base 11 has same nonzero number of 3's and 9's. 0

%I

%S 42,102,163,223,284,344,372,383,394,416,427,438,449,460,462,463,464,

%T 466,467,468,469,470,472,482,526,586,647,707,768,828,889,949,1010,

%U 1070,1092,1103,1114,1122,1123,1124,1126,1127,1128,1129,1130,1132

%N Numbers n such that representation in base 11 has same nonzero number of 3's and 9's.

%t Select[Range[1200],DigitCount[#,11,3]==DigitCount[#,11,9]>0&] (* _Harvey P. Dale_, Apr 27 2016 *)

%K nonn,base,easy

%O 1,1

%A _Olivier GĂ©rard_

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Last modified January 20 19:22 EST 2021. Contains 340332 sequences. (Running on oeis4.)