OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
a(n) ~ 6n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Prime[Range[500]], MemberQ[{9}, Mod[#, 14]]&] (* Vincenzo Librandi, Aug 07 2012 *)
Select[Range[9, 2000, 14], PrimeQ] (* Harvey P. Dale, Apr 17 2015 *)
PROG
(Magma) [p: p in PrimesUpTo(2000)|p mod 14 in {9}] // Vincenzo Librandi, Dec 18 2010
(PARI) is(n)=isprime(n) && n%14==9 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Juri-Stepan Gerasimov, Jun 26 2008
EXTENSIONS
1451 inserted by R. J. Mathar, Sep 13 2008
STATUS
approved