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 A032839 Numbers whose set of base-15 digits is {3,4}. 1

%I #20 Sep 08 2022 08:44:51

%S 3,4,48,49,63,64,723,724,738,739,948,949,963,964,10848,10849,10863,

%T 10864,11073,11074,11088,11089,14223,14224,14238,14239,14448,14449,

%U 14463,14464,162723,162724,162738,162739,162948,162949

%N Numbers whose set of base-15 digits is {3,4}.

%H Vincenzo Librandi, <a href="/A032839/b032839.txt">Table of n, a(n) for n = 1..1000</a>

%H <a href="/index/Ar#15-automatic">Index entries for 15-automatic sequences</a>.

%t Flatten[Table[FromDigits[#,15]&/@Tuples[{3,4},n],{n,5}]] (* _Vincenzo Librandi_, May 31 2012 *)

%o (Magma) [n: n in [1..165000] | Set(IntegerToSequence(n, 15)) subset {3, 4}]; // _Vincenzo Librandi_, May 31 2012

%K nonn,base,easy

%O 1,1

%A _Clark Kimberling_

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)