A142530 Primes congruent to 49 mod 52.

101, 257, 569, 673, 829, 881, 1193, 1297, 1453, 1609, 1973, 2129, 2389, 2441, 2753, 2857, 2909, 3169, 3221, 3533, 3637, 3793, 4001, 4157, 4261, 4729, 4937, 5197, 5717, 5821, 6029, 6133, 6653, 7069, 7121, 7433, 7537, 7589, 7901, 8161, 8317, 8369, 8629, 8681

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[{49}, Mod[#, 52]] &] (* Vincenzo Librandi, Aug 29 2012 *)
Select[Range[49, 9000, 52], PrimeQ] (* Harvey P. Dale, May 21 2021 *)

Prog

(Magma) [p: p in PrimesUpTo(10000) | p mod 52 eq 49]; // Vincenzo Librandi, Aug 29 2012
(PARI) is(n)=isprime(n) && n%52==49 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A127348 A061191 A085610 * A033241 A140021 A139701

Adjacent sequences: A142527 A142528 A142529 * A142531 A142532 A142533

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved