OFFSET
1,1
COMMENTS
Note that all the numbers in this sequence are even.
EXAMPLE
60^7-7 = 2799359999993 is prime. Thus, 60 is a member of this sequence.
MATHEMATICA
Select[Range[2500], PrimeQ[#^7-7]&] (* Harvey P. Dale, Dec 21 2022 *)
PROG
(Python)
import sympy
from sympy import isprime
{print(n) for n in range(10**4) if isprime(n**7-7)}
CROSSREFS
KEYWORD
nonn
AUTHOR
Derek Orr, Mar 17 2014
STATUS
approved