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 A195759 #8 Jul 13 2013 12:04:16 %S A195759 7,11,19,23,11,31,43,19,47,23,59,67,19,71,31,79,83,23,43,103,107,47, %T A195759 31,127,131,59,139,23,151,67,43,163,71,167,47,179,79,191,83,31,199, %U A195759 211,59,223,227,31,239,103,67,107,251,71,263,271,43,283,79,127,47 %N A195759 Greater prime factor of n-th Blum number. %C A195759 A195758(n) * a(n) = A016105(n); a(n) > A195758(n); %C A195759 a(n) = A006530(A016105(n)). %H A195759 Reinhard Zumkeller, <a href="/A195759/b195759.txt">Table of n, a(n) for n = 1..10000</a> %H A195759 Wikipedia, <a href="http://en.wikipedia.org/wiki/Blum_integer">Blum integer</a> %o A195759 (Haskell) %o A195759 a195759 = a006530 . a016105 %Y A195759 Cf. A070647. %K A195759 nonn %O A195759 1,1 %A A195759 _Reinhard Zumkeller_, Sep 23 2011