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 A251104 #4 Nov 30 2014 16:51:15 %S A251104 1,2,3,2,3,5,7,11,3,7,11,17,13,5,17,13,19,29,7,2,23,7,3,41,29,11,31, %T A251104 47,11,5,37,7,13,59,41,31,43,13,47,71,7,37,17,11,53,5,19,43,59,89,61, %U A251104 23,7,19,67,101,23,13,71,107,73,11,79,17,3,61,83,5,29 %N A251104 Largest prime factor of A098548(n). %C A251104 a(n) = A006530(A098548(n)). %H A251104 Reinhard Zumkeller, <a href="/A251104/b251104.txt">Table of n, a(n) for n = 1..10000</a> %o A251104 (Haskell) %o A251104 a251104 = a006530 . fromIntegral . a098548 %Y A251104 Cf. A006530, A098548, A158478, A251103. %K A251104 nonn %O A251104 1,2 %A A251104 _Reinhard Zumkeller_, Nov 30 2014