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A032915 Numbers whose set of base 8 digits is {1,3}. 1

%I

%S 1,3,9,11,25,27,73,75,89,91,201,203,217,219,585,587,601,603,713,715,

%T 729,731,1609,1611,1625,1627,1737,1739,1753,1755,4681,4683,4697,4699,

%U 4809,4811,4825,4827,5705,5707,5721,5723,5833,5835

%N Numbers whose set of base 8 digits is {1,3}.

%H Vincenzo Librandi, <a href="/A032915/b032915.txt">Table of n, a(n) for n = 1..1000</a>

%t Flatten[Table[FromDigits[#,8]&/@Tuples[{1,3},n],{n,5}]] (* _Vincenzo Librandi_, Jun 01 2012 *)

%o (MAGMA) [n: n in [1..6000] | Set(IntegerToSequence(n, 8)) subset {1, 3}]; // _Vincenzo Librandi_, Jun 01 2012

%K nonn,base

%O 1,2

%A _Clark Kimberling_

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Last modified September 23 17:43 EDT 2017. Contains 292362 sequences.