[seqfan] Re: Fwd: Primes in an exponential sequence
mathar at strw.leidenuniv.nl
Mon Feb 8 12:23:26 CET 2010
> From seqfan-bounces at list.seqfan.eu Mon Feb 8 03:29:33 2010
> From: Olivier Gerard <olivier.gerard at gmail.com>
> To: Sequence Fanatics Discussion list <seqfan at seqfan.eu>
> Subject: [seqfan] Fwd: Primes in an exponential sequence
> I only ask if the sequence
> is prime if and only if
> n=3 and n=118 ?
This searches for primes in the set of 2^(2n+1)+1, which are the odd exponents
in A000215, where a statement on the finite order of this set and perhaps
further literature is found.
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