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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
OFFSET
1,1
LINKS
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
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved