OFFSET
1,1
COMMENTS
No more terms through 50000. - Ryan Propper, Dec 06 2008
a(12) > 2*10^5. - Robert Price, Oct 23 2014
MATHEMATICA
Do[ f = 17^n - 2; If[ PrimeQ[ f ], Print[ {n, f} ] ], {n, 1, 1000} ]
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Alexander Adamchuk, Mar 14 2007
EXTENSIONS
2 more terms from Stefan Steinerberger, May 05 2007
Two more terms from Ryan Propper, Jan 16 2008
One more term from Ryan Propper, Dec 06 2008
STATUS
approved