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 A175709 #3 Mar 30 2012 18:52:40 %S A175709 4,6,9,14,21,26,34,39,46,49,51,69,74,86,91,94,106,111,119,129,134,141, %T A175709 146,159,161,166,169,194,201,206,214,219,221,226,249,254,259,274,289, %U A175709 291,299,301,309,314,321,326,329,334,339,346,371,381,386,391 %N A175709 Products of 2 primes of the form 5*k-+2. %Y A175709 Cf. A001358, A176551. %K A175709 nonn %O A175709 1,1 %A A175709 _Juri-Stepan Gerasimov_, Aug 10 2010 %E A175709 Definition corrected and 5 terms removed by _R. J. Mathar_, Aug 13 2010