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 A244080 #25 Apr 02 2015 17:07:09 %S A244080 1,2,2,3,2,7,3,5,3,11,5,3,2,5,7,13,7,5,19,3,17,3,23,11,23,7,3,13,5,13, %T A244080 19,37,3,7,17,11,2,31,5,29,5,41,7,43,11,5,23,47,3,7,5,17,13,53,3,11,7, %U A244080 19,29,59,5,61,31,7,2,13,11,67,17,67,5,79,13,11 %N A244080 Largest prime factor of A166133(n). %C A244080 a(n) = A006530(A166133(n)). %H A244080 Reinhard Zumkeller, <a href="/A244080/b244080.txt">Table of n, a(n) for n = 1..10000</a> %o A244080 (Haskell) %o A244080 a244080 = a006530 . a166133 %Y A244080 Cf. A166133, A006530, A256564, A256578. %K A244080 nonn %O A244080 1,2 %A A244080 _Reinhard Zumkeller_, Apr 02 2015