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 A032806 Numbers whose set of base-6 digits is {2,3}. 1

%I

%S 2,3,14,15,20,21,86,87,92,93,122,123,128,129,518,519,524,525,554,555,

%T 560,561,734,735,740,741,770,771,776,777,3110,3111,3116,3117,3146,

%U 3147,3152,3153,3326,3327,3332,3333,3362,3363,3368

%N Numbers whose set of base-6 digits is {2,3}.

%H Vincenzo Librandi, <a href="/A032806/b032806.txt">Table of n, a(n) for n = 1..2000</a>

%H <a href="/index/Ar#6-automatic">Index entries for 6-automatic sequences</a>.

%t Flatten[Table[FromDigits[#,6]&/@Tuples[{2,3},n],{n,5}]] (* _Vincenzo Librandi_, May 26 2012 *)

%o (MAGMA) [n: n in [1..8000] | Set(IntegerToSequence(n, 6)) subset {2, 3}];// _Vincenzo Librandi_, May 26 2012

%o (MAGMA) [n eq 1 select 2 else IsOdd(n) select 6*Self(Floor(n/2))+2 else Self(n-1)+1: n in [1..45]]; // _Bruno Berselli_, May 27 2012

%K nonn,base,easy

%O 1,1

%A _Clark Kimberling_

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Last modified January 20 17:32 EST 2022. Contains 350472 sequences. (Running on oeis4.)