A142522 Primes congruent to 31 mod 52.

31, 83, 239, 499, 811, 863, 967, 1019, 1123, 1279, 1487, 1747, 2111, 2267, 2371, 2423, 2579, 2683, 3203, 3307, 3359, 3463, 3671, 3931, 4139, 4243, 4451, 4919, 5023, 5179, 5231, 5387, 5647, 6011, 6271, 6323, 6427, 6791, 6947, 7103, 7207, 7727, 7883, 8039

Offset

1,1

Links

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

Formula

a(n) ~ 24n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Prime[Range[1300]], MemberQ[{31}, Mod[#, 52]] &] (* Vincenzo Librandi, Aug 29 2012 *)
Select[Range[31, 9000, 52], PrimeQ] (* Harvey P. Dale, Apr 11 2014 *)

Prog

(Magma) [p: p in PrimesUpTo(10000) | p mod 52 eq 31]; // Vincenzo Librandi, Aug 29 2012
(PARI) is(n)=isprime(n) && n%52==31 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A044169 A044550 A055810 * A005184 A096731 A039518

Adjacent sequences: A142519 A142520 A142521 * A142523 A142524 A142525

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved