OFFSET
1,1
COMMENTS
Primes of the form A071253(n) - 1. - Altug Alkan, Mar 24 2017
LINKS
Robert Israel, Table of n, a(n) for n = 1..10000
EXAMPLE
a(2) = 89 is in the sequence because 3^4 + 3^2 - 1 = 89 is prime.
MAPLE
select(isprime, [seq(n^4+n^2-1, n=1..1000)]); # Robert Israel, Mar 24 2017
MATHEMATICA
a={}; Do[p=n^4+n^2-1; If[PrimeQ[p], AppendTo[a, p]], {n, 10^2}]; Print[a];
PROG
(PARI) for(n=1, 1e3, if(isprime(p=n^4+n^2-1), print1(p ", "))) \\ Altug Alkan, Mar 24 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Michel Lagneau, Dec 01 2010
STATUS
approved