OFFSET
1,1
COMMENTS
7 and 911 are primes.
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
If n=4 then 911*n - 7 = 3637 (prime).
If n=160 then 911*n - 7 = 145753 (prime).
MATHEMATICA
Select[Range[700], PrimeQ[911#-7]&] (* Harvey P. Dale, Feb 27 2022 *)
PROG
(Magma) [n: n in [1..700] | IsPrime(911*n-7)]; - Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(911*n-7) \\ Charles R Greathouse IV, Jun 13 2017
(SageMath) [n for n in (1..800) if is_prime(911*n-7)] # G. C. Greubel, Oct 20 2023
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Parthasarathy Nambi, Jul 25 2005
STATUS
approved