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 A092452 #15 Jul 19 2016 02:54:52 %S A092452 0,3,6,9,12,13,15,18,21,23,24,27,30,31,32,33,34,35,36,37,38,39,42,43, %T A092452 45,48,51,53,54,57,60,63,66,69,72,73,75,78,81,83,84,87,90,93,96,99, %U A092452 102,103,105,108,111,113,114,117,120,123,126,129,130,131,132,133,134,135,136,137 %N A092452 Numbers that either contain the digit 3 or are divisible by 3. %H A092452 Vincenzo Librandi, <a href="/A092452/b092452.txt">Table of n, a(n) for n = 0..2000</a> %t A092452 Select[Range[0, 150], Mod[#, 3] == 0||MemberQ[IntegerDigits[#], 3] &] (* _Vincenzo Librandi_, Jul 19 2016 *) %Y A092452 Cf. A092433, A092451, A092453, A092454, A092455, A092456, A092457. %K A092452 nonn,base %O A092452 0,2 %A A092452 _N. J. A. Sloane_, Mar 24 2004 %E A092452 More terms from Mohammed Bouayoun (bouyao(AT)wanadoo.fr), Mar 25 2004 %E A092452 Added missing term 133 by _Vincenzo Librandi_, Jul 19 2016