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 A032806 #20 Jan 29 2023 09:34:25
%S A032806 2,3,14,15,20,21,86,87,92,93,122,123,128,129,518,519,524,525,554,555,
%T A032806 560,561,734,735,740,741,770,771,776,777,3110,3111,3116,3117,3146,
%U A032806 3147,3152,3153,3326,3327,3332,3333,3362,3363,3368
%N A032806 Numbers whose set of base-6 digits is {2,3}.
%H A032806 Vincenzo Librandi, <a href="/A032806/b032806.txt">Table of n, a(n) for n = 1..2000</a>
%H A032806 <a href="/index/Ar#6-automatic">Index entries for 6-automatic sequences</a>.
%t A032806 Flatten[Table[FromDigits[#,6]&/@Tuples[{2,3},n],{n,5}]] (* _Vincenzo Librandi_, May 26 2012 *)
%o A032806 (Magma) [n: n in [1..8000] | Set(IntegerToSequence(n, 6)) subset {2, 3}];// _Vincenzo Librandi_, May 26 2012
%o A032806 (Magma) [n eq 1 select 2 else IsOdd(n) select 6*Self(Floor(n/2))+2 else Self(n-1)+1: n in [1..45]]; // _Bruno Berselli_, May 27 2012
%K A032806 nonn,base,easy
%O A032806 1,1
%A A032806 _Clark Kimberling_