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 A240549 #4 Apr 08 2014 03:03:45
%S A240549 2,13,73,241,601,97,181,109,6481,9901,1117,20593,28393,1033,3877,673,
%T A240549 83233,457,769,12277,3181,1489,7549,577,390001,2521,530713,47221,421,
%U A240549 809101,922561,1321,91141,1249,5413,1678321,144061,2083693,2311921,41941,1993,4621
%N A240549 Greatest prime factor of n^6+1.
%H A240549 T. D. Noe, <a href="/A240549/b240549.txt">Table of n, a(n) for n = 1..10000</a>
%t A240549 Table[FactorInteger[n^6 + 1][[-1, 1]], {n, 100}]
%Y A240549 Cf. A014442, A081256, A096172, A240548-A240553.
%K A240549 nonn
%O A240549 1,1
%A A240549 _T. D. Noe_, Apr 07 2014