The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A258805 Primes of the form n^8 + 1. 2

%I

%S 2,257,65537,37588592026706177,92170395205042177,147578905600000001,

%T 284936905588473857,3503536769037500417,11007531417600000001,

%U 11763130845074473217,47330370277129322497,50024641296100000001,76872571987558646017,416806419029812551937

%N Primes of the form n^8 + 1.

%H Charles R Greathouse IV, <a href="/A258805/b258805.txt">Table of n, a(n) for n = 1..10000</a>

%F a(n) = A060890(A006314(n)). - _Michel Marcus_, Jun 11 2015

%t Select[Range[500]^8 + 1, PrimeQ]

%o (MAGMA) [a: n in [1..500] | IsPrime(a) where a is n^8+1];

%o (PARI) is(n)=ispower(n-1,8) && isprime(n) \\ _Charles R Greathouse IV_, Jun 11 2015

%Y Subsequence of A002496, A037896.

%Y Cf. A006314 (associated n), A060890.

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Jun 11 2015

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified March 28 05:38 EDT 2020. Contains 333073 sequences. (Running on oeis4.)