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A258805
Primes of the form n^8 + 1.
2
2, 257, 65537, 37588592026706177, 92170395205042177, 147578905600000001, 284936905588473857, 3503536769037500417, 11007531417600000001, 11763130845074473217, 47330370277129322497, 50024641296100000001, 76872571987558646017, 416806419029812551937
OFFSET
1,1
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
FORMULA
a(n) = A060890(A006314(n)). - Michel Marcus, Jun 11 2015
MATHEMATICA
Select[Range[500]^8 + 1, PrimeQ]
PROG
(Magma) [a: n in [1..500] | IsPrime(a) where a is n^8+1];
(PARI) is(n)=ispower(n-1, 8) && isprime(n) \\ Charles R Greathouse IV, Jun 11 2015
CROSSREFS
Subsequence of A002496, A037896.
Cf. A006314 (associated n), A060890.
Sequence in context: A085316 A006686 A100269 * A327777 A196288 A128697
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Jun 11 2015
STATUS
approved