This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A032816 #16 Sep 08 2022 08:44:51
%S A032816 2,3,34,35,50,51,546,547,562,563,802,803,818,819,8738,8739,8754,8755,
%T A032816 8994,8995,9010,9011,12834,12835,12850,12851,13090,13091,13106,13107,
%U A032816 139810,139811,139826,139827,140066,140067,140082
%N A032816 Numbers whose set of base-16 digits is {2,3}.
%H A032816 Vincenzo Librandi, <a href="/A032816/b032816.txt">Table of n, a(n) for n = 1..1000</a>
%H A032816 <a href="/index/Ar#2-automatic">Index entries for 2-automatic sequences</a>.
%t A032816 Flatten[Table[FromDigits[#,16]&/@Tuples[{2,3},n],{n,5}]] (* _Vincenzo Librandi_, May 27 2012 *)
%o A032816 (Magma) [n: n in [1..150000] | Set(IntegerToSequence(n, 16)) subset {2, 3}]; // _Vincenzo Librandi_ May 27 2012
%K A032816 nonn,base,easy
%O A032816 1,1
%A A032816 _Clark Kimberling_