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A032933 Numbers whose set of base-13 digits is {1,2}. 1

%I

%S 1,2,14,15,27,28,183,184,196,197,352,353,365,366,2380,2381,2393,2394,

%T 2549,2550,2562,2563,4577,4578,4590,4591,4746,4747,4759,4760,30941,

%U 30942,30954,30955,31110,31111,31123,31124,33138,33139

%N Numbers whose set of base-13 digits is {1,2}.

%H Vincenzo Librandi, <a href="/A032933/b032933.txt">Table of n, a(n) for n = 1..1000</a>

%t Flatten[Table[FromDigits[#,13]&/@Tuples[{1,2},n],{n,5}]] (* _Vincenzo Librandi_, Jun 04 2012 *)

%o (MAGMA) [n: n in [1..35000] | Set(IntegerToSequence(n, 13)) subset {1, 2}]; // _Vincenzo Librandi_, Jun 04 2012

%K nonn,base

%O 1,2

%A _Clark Kimberling_

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Last modified October 20 16:05 EDT 2021. Contains 348111 sequences. (Running on oeis4.)