%I #18 Sep 08 2022 08:44:53
%S 0,1,2,3,4,6,7,8,10,11,12,13,14,15,16,18,19,20,22,23,24,25,26,27,28,
%T 30,31,32,34,35,36,37,38,39,40,42,43,44,46,47,48,49,50,51,52,54,55,56,
%U 58,59,69,72,73,74,75,76,78,79,80,82,83,84,85,86,87,88,90,91
%N Numbers whose base12 representation has the same number of 5's and 9's.
%H Vincenzo Librandi, <a href="/A039257/b039257.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Range[0, 100], DigitCount[#, 12, 5] == DigitCount[#, 12, 9] &] (* _Vincenzo Librandi_, Oct 20 2012 *)
%o (Magma) [n: n in [0..100]  Multiplicity(S,5) eq Multiplicity(S,9) where S is {*d: d in Intseq(n,12)*}]; // _Bruno Berselli_, Oct 20 2012
%K nonn,base,easy
%O 1,3
%A _Olivier GĂ©rard_
%E An incorrect g.f. was deleted by _N. J. A. Sloane_, Sep 13 2009
