A142030 Primes congruent to 26 mod 31.

181, 367, 491, 677, 739, 863, 1049, 1297, 1483, 1607, 1669, 1979, 2351, 2909, 2971, 3343, 3467, 3529, 4211, 4273, 4397, 4583, 4831, 6133, 6257, 6691, 7001, 7187, 7559, 7621, 7993, 8117, 8179, 8737, 8861, 8923, 9109, 9419, 9791, 10039, 10163, 10597, 11093, 11279

Offset

1,1

Links

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

Formula

a(n) ~ 30n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Range[26, 20000, 31], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)
Select[Prime[Range[2000]], Mod[#, 31]==26&] (* Harvey P. Dale, Nov 21 2024 *)

Prog

(Magma) [p: p in PrimesUpTo(12000) | p mod 31 eq 26 ]; // Vincenzo Librandi, Aug 18 2012
(PARI) is(n)=isprime(n) && n%31==26 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040, A142005, A142006, A142029.

Sequence in context: A179484 A142258 A323192 * A267542 A082444 A108847

Adjacent sequences: A142027 A142028 A142029 * A142031 A142032 A142033

Keyword

nonn,easy,changed

Author

N. J. A. Sloane, Jul 11 2008

Status

approved