A142539 Primes congruent to 9 mod 53.

433, 751, 857, 1069, 1493, 1811, 2129, 2341, 2447, 2659, 3083, 3613, 3719, 3931, 4567, 4673, 5309, 5521, 5839, 6263, 6581, 6793, 6899, 7853, 8171, 8807, 9337, 9973, 10079, 11351, 11987, 12517, 12941, 13259, 13577, 13789, 14107, 15061, 15803, 16333, 16651

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 03 2016

Mathematica

Select[Prime[Range[2600]], MemberQ[{9}, Mod[#, 53]] &] (* Vincenzo Librandi, Aug 29 2012 *)
Select[Range[9, 17000, 53], PrimeQ] (* Harvey P. Dale, Sep 05 2021 *)

Prog

(Magma) [p: p in PrimesUpTo(20000) | p mod 53 eq 9]; // Vincenzo Librandi, Aug 29 2012
(PARI) is(n)=isprime(n) && n%53==9 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A142686 A052235 A165503 * A059665 A059664 A289857

Adjacent sequences: A142536 A142537 A142538 * A142540 A142541 A142542

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved