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 A108634 #3 Mar 30 2012 17:26:17 %S A108634 4,6,9,14,15,22,25,26,33,34,35,38,39,46,49,55,57,58,69,77,111,115,118, %T A108634 119,122,123,129,133,134,145,146,155,158,159,166,169,177,178,226,235, %U A108634 237,247,249,259,267,278,289,299,334,335,339,346,355,358,377,445,446 %N A108634 Semiprimes with ordered digits. %t A108634 Select[Range[1000], Plus@@Last/@FactorInteger[ # ]==2&&OrderedQ[IntegerDigits[ # ]]&] %K A108634 nonn,base %O A108634 1,1 %A A108634 _Zak Seidov_, Jun 14 2005