OFFSET
1,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Range[500], PrimeQ[10 # - 7] &] (* Vincenzo Librandi, May 19 2014 *)
PROG
(Magma) [n: n in [1..1000] |IsPrime(10*n-7)]; // Vincenzo Librandi, Nov 19 2010
(PARI) is(n)=isprime(10*n-7) \\ Charles R Greathouse IV, Jun 06 2017
CROSSREFS
KEYWORD
nonn,easy,changed
AUTHOR
STATUS
approved