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 A175483 #2 Mar 30 2012 17:26:34 %S A175483 7,23,11,17,31,19,47,41,71,17,79,23,43,103,31,73,127,59,23,89,151,67, %T A175483 97,29,167,47,41,113,191,83,31,199,37,223,137,239,107,71,263,271,79, %U A175483 47,53,131,311,73,193,139,43,61,359,367,103,163,383,89,233,41,241,179,97,257 %N A175483 a(n) = larger prime factor of A175461(n). %Y A175483 Cf. A175461, A175482. %K A175483 nonn %O A175483 1,1 %A A175483 _Zak Seidov_, May 27 2010