A141860 Primes congruent to 2 mod 15.

2, 17, 47, 107, 137, 167, 197, 227, 257, 317, 347, 467, 557, 587, 617, 647, 677, 797, 827, 857, 887, 947, 977, 1097, 1187, 1217, 1277, 1307, 1367, 1427, 1487, 1607, 1637, 1667, 1697, 1787, 1847, 1877, 1907, 1997, 2027, 2087, 2207, 2237, 2267, 2297, 2357, 2417

Offset: 1

Author

N. J. A. Sloane, Jul 11 2008

Keywords

• nonn
• easy

Comments

2, and primes congruent to 17 mod 30. - Robert Israel, Jan 19 2016

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Programs

Magma

[ p: p in PrimesUpTo(5000) | p mod 15 eq 2 ]; // Vincenzo Librandi, Apr 19 2011

Maple

select(isprime, [2, seq(i,i=17..1000, 30)]); # Robert Israel, Jan 19 2016

Mathematica

Select[Prime[Range[400]],MemberQ[{2},Mod[#,15]]&] (* Vincenzo Librandi, Aug 15 2012 *)
Select[Range[2,2500,15],PrimeQ] (* Harvey P. Dale, Dec 08 2012 *)

PARI

lista(nn) = for(n=0, nn, if(ispseudoprime(p=15*n+2), print1(p, ", "))); \\ Altug Alkan, Jan 19 2016

Formula

{2} UNION A039949. - R. J. Mathar, Jul 20 2008