%I A007571 M1343
%S A007571 2,5,7,257,521,97,911,673,530713,27961,58367,2227777,79301,176597,
%T A007571 142111,67280421310721,45957792327018709121,33388093,870542161121,
%U A007571 4406613081041681,22864311556633,73194743542229,1522029233,27250359649
%N A007571 Largest factor of n^n + 1.
%D A007571 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%t A007571 Table[ FactorInteger[ n^n + 1, FactorComplete -> True ] [ [ -1, 1 ] ], 
               {n, 1, 25} ]
%Y A007571 Sequence in context: A058854 A006275 A042673 this_sequence A062621 A020772 
               A131598
%Y A007571 Adjacent sequences: A007568 A007569 A007570 this_sequence A007572 A007573 
               A007574
%K A007571 nonn
%O A007571 1,1
%A A007571 N. J. A. Sloane (njas(AT)research.att.com), Robert G. Wilson v (rgwv(AT)rgwv.com)