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Numbers whose set of base-16 digits is {2,3}.
4

%I #16 Sep 08 2022 08:44:51

%S 2,3,34,35,50,51,546,547,562,563,802,803,818,819,8738,8739,8754,8755,

%T 8994,8995,9010,9011,12834,12835,12850,12851,13090,13091,13106,13107,

%U 139810,139811,139826,139827,140066,140067,140082

%N Numbers whose set of base-16 digits is {2,3}.

%H Vincenzo Librandi, <a href="/A032816/b032816.txt">Table of n, a(n) for n = 1..1000</a>

%H <a href="/index/Ar#2-automatic">Index entries for 2-automatic sequences</a>.

%t Flatten[Table[FromDigits[#,16]&/@Tuples[{2,3},n],{n,5}]] (* _Vincenzo Librandi_, May 27 2012 *)

%o (Magma) [n: n in [1..150000] | Set(IntegerToSequence(n, 16)) subset {2, 3}]; // _Vincenzo Librandi_ May 27 2012

%K nonn,base,easy

%O 1,1

%A _Clark Kimberling_