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A032805 Numbers whose set of base-5 digits is {2,3}. 1

%I #18 Sep 08 2022 08:44:51

%S 2,3,12,13,17,18,62,63,67,68,87,88,92,93,312,313,317,318,337,338,342,

%T 343,437,438,442,443,462,463,467,468,1562,1563,1567,1568,1587,1588,

%U 1592,1593,1687,1688,1692,1693,1712,1713,1717,1718

%N Numbers whose set of base-5 digits is {2,3}.

%H Vincenzo Librandi, <a href="/A032805/b032805.txt">Table of n, a(n) for n = 1..2000</a>

%H <a href="/index/Ar#5-automatic">Index entries for 5-automatic sequences</a>.

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

%o (Magma) [n: n in [1..2800] | Set(IntegerToSequence(n, 5)) subset {2, 3}];// _Vincenzo Librandi_, May 26 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.)