OFFSET
1,1
EXAMPLE
If n=15 then 10*n - 131 = 19 (prime).
If n=49 then 10*n - 131 = 359 (prime).
MATHEMATICA
Select[Range[14, 200], PrimeQ[10#-131]&] (* Harvey P. Dale, Aug 08 2021 *)
PROG
(Magma) [n: n in [14..200] | IsPrime(10*n-131)]; - Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(10*n-131) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Parthasarathy Nambi, Jul 11 2005
STATUS
approved