A142647 Primes congruent to 15 mod 56.

71, 127, 239, 463, 631, 743, 911, 967, 1303, 1471, 1583, 2087, 2143, 2311, 2423, 2591, 2647, 2927, 3319, 3767, 3823, 4159, 4271, 4327, 4663, 4831, 4943, 4999, 5167, 5279, 5503, 5783, 5839, 6007, 6287, 6343, 6679, 6791, 6959, 7127, 7351, 7687, 8191, 8527

Offset

1,1

Links

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

Mathematica

Select[Prime[Range[1300]], MemberQ[{15}, Mod[#, 56]] &] (* Vincenzo Librandi, Sep 01 2012 *)
Select[Range[15, 9000, 56], PrimeQ] (* Harvey P. Dale, Sep 25 2015 *)

Prog

(Magma) [p: p in PrimesUpTo(10000) | p mod 56 eq 15 ]; // Vincenzo Librandi, Sep 01 2012

Crossrefs

Cf. A000040.

Sequence in context: A026063 A244167 A115395 * A152951 A090799 A044194

Adjacent sequences: A142644 A142645 A142646 * A142648 A142649 A142650

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved