A142569 Primes congruent to 39 mod 53.

251, 463, 569, 887, 1523, 2053, 2371, 2477, 2689, 3643, 4597, 4703, 5021, 5233, 5657, 5869, 6823, 7247, 7459, 7883, 8731, 8837, 9049, 9473, 9791, 10321, 10427, 10639, 10957, 11593, 11699, 12547, 12653, 13183, 14243, 14561, 14879, 15091, 15727, 16363, 16787

Offset

1,1

Links

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

Formula

a(n) ~ 52n log n. - Charles R Greathouse IV, Jul 04 2016

Mathematica

Select[Prime[Range[2600]], MemberQ[{39}, Mod[#, 53]] &] (* Vincenzo Librandi, Aug 30 2012 *)
Select[Range[39, 20000, 53], PrimeQ] (* Harvey P. Dale, Sep 29 2013 *)

Prog

(Magma) [p: p in PrimesUpTo(20000) | p mod 53 eq 39]; // Vincenzo Librandi, Aug 30 2012
(PARI) is(n)=isprime(n) && n%53==39 \\ Charles R Greathouse IV, Jul 04 2016

Crossrefs

Cf. A000040.

Sequence in context: A364968 A161854 A234928 * A142742 A142924 A346493

Adjacent sequences: A142566 A142567 A142568 * A142570 A142571 A142572

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved