A039009 - OEIS

%I #14 Jun 20 2021 16:17:16

%S 1,2,4,6,7,9,11,12,14,15,21,22,24,28,31,32,34,36,37,39,40,46,47,49,53,

%T 56,57,59,61,62,64,65,71,72,74,76,77,79,80,85,95,103,106,107,109,111,

%U 112,114,115,121,122,124,133,138,141,142,144,148,153,156,157,159,161

%N Numbers whose base-5 representation has the same number of 0's and 3's.

%H Daniel Starodubtsev, <a href="/A039009/b039009.txt">Table of n, a(n) for n = 1..10000</a>

%t Select[Range[200],DigitCount[#,5,0]==DigitCount[#,5,3]&] (* _Harvey P. Dale_, Dec 10 2015 *)

%Y Cf. A007091.

%K nonn,base,easy

%O 1,2

%A _Olivier Gérard_