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A142641 Primes congruent to 1 mod 56. 1
113, 281, 337, 449, 617, 673, 953, 1009, 1289, 2017, 2129, 2297, 2521, 2633, 2689, 2801, 2857, 2969, 3137, 3361, 3529, 3697, 4201, 4481, 4649, 4817, 5153, 5209, 5657, 5881, 6217, 6329, 6553, 6833, 7001, 7057, 7393, 7561, 7673, 7841, 8009, 8233, 8513, 8681 (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[{1}, Mod[#, 56]] &] (* Vincenzo Librandi, Sep 01 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(10000) | p mod 56 eq 1 ]; // Vincenzo Librandi, Sep 01 2012

CROSSREFS

Cf. A000040.

Sequence in context: A142917 A142947 A325067 * A070181 A001134 A070188

Adjacent sequences:  A142638 A142639 A142640 * A142642 A142643 A142644

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified February 29 08:26 EST 2020. Contains 332355 sequences. (Running on oeis4.)