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A142623 Primes congruent to 31 mod 55. 1
31, 251, 691, 911, 1021, 1571, 1901, 2011, 2341, 2671, 3001, 3221, 3331, 3881, 4211, 4651, 4871, 5531, 5641, 5861, 6301, 6521, 6961, 7621, 7841, 7951, 8171, 8501, 8831, 8941, 9161, 9491, 9601, 9931, 10151, 11251, 11471, 11801, 12241, 12791, 13121, 13451 (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[2500]], MemberQ[{31}, Mod[#, 55]] &] (* Vincenzo Librandi, Aug 31 2012 *)

Select[Range[31, 14000, 55], PrimeQ] (* Harvey P. Dale, Dec 16 2017 *)

PROG

(MAGMA) [p: p in PrimesUpTo(16000) | p mod 55 eq 31]; // Vincenzo Librandi, Aug 31 2012

CROSSREFS

Cf. A000040.

Sequence in context: A147963 A027846 A042872 * A089705 A180471 A125368

Adjacent sequences:  A142620 A142621 A142622 * A142624 A142625 A142626

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified March 24 11:49 EDT 2019. Contains 321448 sequences. (Running on oeis4.)