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%I #16 Jun 11 2021 08:41:18
%S 6,24,30,106,184,232,460,1258,3480,5458,32886
%N Numbers k such that 17^k - 2 is a prime.
%C No more terms through 50000. - _Ryan Propper_, Dec 06 2008
%C a(12) > 2*10^5. - _Robert Price_, Oct 23 2014
%t Do[ f = 17^n - 2; If[ PrimeQ[ f ], Print[ {n, f} ] ], {n,1,1000} ]
%Y Cf. A084714 (smallest prime of the form (2n-1)^k - 2).
%Y Cf. A128472 (smallest prime of the form (2n-1)^k - 2 for k > (2n-1)).
%Y Cf. A014224, A109080, A090669, A128455, A128457, A128458, A128460, A128461.
%K nonn,hard,more
%O 1,1
%A _Alexander Adamchuk_, Mar 14 2007
%E 2 more terms from _Stefan Steinerberger_, May 05 2007
%E Two more terms from _Ryan Propper_, Jan 16 2008
%E One more term from _Ryan Propper_, Dec 06 2008
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