A142646 Primes congruent to 13 mod 56.

13, 181, 293, 349, 461, 797, 853, 1021, 1301, 1637, 1693, 1861, 1973, 2029, 2141, 2309, 2477, 3037, 3373, 3541, 3709, 3821, 3877, 3989, 4157, 4493, 4549, 5333, 5501, 5557, 5669, 6173, 6229, 6397, 6733, 7013, 7069, 7237, 7349, 7517, 7573, 7741, 7853, 8581

Offset

1,1

Links

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

Mathematica

Select[Prime[Range[1500]], Mod[#, 56]==13&]  (* Harvey P. Dale, Mar 06 2011 *)
Select[Prime[Range[1300]], MemberQ[{13}, Mod[#, 56]] &] (* Vincenzo Librandi, Sep 01 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(10000) | p mod 56 eq 13 ]; // Vincenzo Librandi, Sep 01 2012

Crossrefs

Cf. A000040.

Sequence in context: A196956 A132386 A127390 * A201607 A083576 A189432

Adjacent sequences: A142643 A142644 A142645 * A142647 A142648 A142649

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved