A142580 Primes congruent to 50 mod 53.

103, 421, 739, 1163, 1481, 1693, 2011, 2647, 2753, 3389, 3919, 5297, 5827, 6569, 6781, 7417, 7523, 7841, 8053, 8689, 9007, 9431, 9643, 9749, 10067, 10597, 11551, 11657, 12611, 12823, 13883, 14519, 14731, 15473, 15791, 16427, 17911, 18229, 19183, 19289, 19501

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[{50}, Mod[#, 53]] &] (* Vincenzo Librandi, Aug 30 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(20000) | p mod 53 eq 50]; // Vincenzo Librandi, Aug 30 2012
(PARI) is(n)=isprime(n) && n%53==50 \\ Charles R Greathouse IV, Jul 04 2016

Crossrefs

Cf. A000040.

Sequence in context: A330325 A277460 A166056 * A142635 A142771 A082883

Adjacent sequences: A142577 A142578 A142579 * A142581 A142582 A142583

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved