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A142262 Primes congruent to 13 mod 43. 2
13, 271, 443, 701, 787, 1217, 1303, 1733, 2593, 2851, 3023, 3109, 3539, 3797, 4657, 5087, 5431, 5689, 5861, 7151, 7237, 7753, 8011, 8269, 8527, 8699, 9043, 9473, 9817, 10247, 10333, 11279, 12569, 13171, 13687, 13859, 14461, 14633, 14891, 15149, 15493, 15923 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

FORMULA

a(n) ~ 42n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[5000]], MemberQ[{13}, Mod[#, 43]]&] (* Vincenzo Librandi, Aug 25 2012 *)

Select[Range[13, 16000, 43], PrimeQ] (* Harvey P. Dale, Aug 05 2019 *)

PROG

(MAGMA) [p: p in PrimesUpTo(17000) | p mod 43 eq 13 ]; // Vincenzo Librandi, Aug 25 2012 *)

(PARI) is(n)=isprime(n) && n%43==13 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A101004 A340936 A142931 * A163155 A183515 A001658

Adjacent sequences:  A142259 A142260 A142261 * A142263 A142264 A142265

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified September 27 07:28 EDT 2021. Contains 347673 sequences. (Running on oeis4.)