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 A240550 #4 Apr 08 2014 03:03:30 %S A240550 2,43,547,113,449,197,911,5419,16493,909091,1623931,13063,22079, %T A240550 7027567,10678711,15790321,22796593,32222107,226871,10529,81867661, %U A240550 86969,2969,183458857,234750601,59011,2269,35771,574995877,1118041,71821,86171,219409,104119,11831 %N A240550 Greatest prime factor of n^7+1. %H A240550 T. D. Noe, <a href="/A240550/b240550.txt">Table of n, a(n) for n = 1..10000</a> %t A240550 Table[FactorInteger[n^7 + 1][[-1, 1]], {n, 100}] %Y A240550 Cf. A014442, A081256, A096172, A240548-A240553. %K A240550 nonn %O A240550 1,1 %A A240550 _T. D. Noe_, Apr 07 2014