%I
%S 5,7,97,911,27961,407353,19955461,142111,870542161121,73194743542229,
%T 2498077661567473,255982845098719961,1784464680181,
%U 63472256064447557254913,8751868368432861971645641,9227671631659104191,73515350937824503550370503117,34089603477374212561
%N The right Aurifeuillian factor of k^k + 1 for k congruent to 0, 2 or 3 (mod 4) and squarefree.
%C The values of k are given by A230375.
%H Richard P. Brent, <a href="http://arxiv.org/abs/1004.5466">On computing factors of cyclotomic polynomials</a>
%e 407353 is in the sequence because it is an Aurifeuillian factor of 11^11+1.
%K nonn
%O 1,1
%A _Colin Barker_, Oct 17 2013
