OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
{2} UNION A140374. - R. J. Mathar, Jul 20 2008
a(n) ~ 12n log n. - Charles R Greathouse IV, Jul 02 2016
MATHEMATICA
Select[Range[2, 20000, 13], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 18 2011 *)
Select[Prime[Range[600]], Mod[#, 13]==2&] (* Harvey P. Dale, Mar 10 2023 *)
PROG
(Magma) [ p: p in PrimesUpTo(11000) | p mod 13 eq 2 ]; // Vincenzo Librandi, Apr 07 2011
(PARI) is(n)=isprime(n) && n%13==2 \\ Charles R Greathouse IV, Jul 02 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved