OFFSET
1,1
COMMENTS
Also primes congruent to 3 mod 14.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Range[3, 50000, 7], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 13 2011 *)
PROG
(Magma) [p: p in PrimesUpTo(2000) | p mod 7 eq 3]; // Vincenzo Librandi, Aug 06 2012
(PARI) is(n)=isprime(n) && n%7==3 \\ Charles R Greathouse IV, Jul 01 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
Extended by Ray Chandler, Dec 23 2003
STATUS
approved