OFFSET
1,1
COMMENTS
Note that all the numbers in this sequence are even.
There is no sequence "Numbers n such that n^4-4 is prime." since n^4 - 4 = (n^2 + 2)(n^2 - 2). - Michael B. Porter, Mar 18 2014
EXAMPLE
4^5-5 = 1019 is prime. Thus, 4 is a member of this sequence.
MATHEMATICA
Select[Range[1500], PrimeQ[#^5-5]&] (* Harvey P. Dale, Dec 30 2019 *)
PROG
(Python)
import sympy
from sympy import isprime
{print(n) for n in range(10**4) if isprime(n**5-5)}
(PARI) is(n)=isprime(n^5-5) \\ Charles R Greathouse IV, Feb 17 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Derek Orr, Mar 17 2014
STATUS
approved