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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

(list; graph; refs; listen; history; text; internal format)

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.