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A142291 Primes congruent to 42 mod 43. 2
257, 601, 773, 859, 1031, 1117, 1289, 2063, 2579, 2837, 3181, 3697, 4127, 4643, 4729, 4987, 5417, 5503, 6277, 6449, 6793, 7309, 7481, 8513, 8599, 9029, 9631, 9803, 10061, 10663, 11093, 11351, 11437, 11867, 11953, 12211, 12641, 12899, 13759, 13931, 14447 (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 02 2016

MATHEMATICA

Select[Prime[Range[5000]], MemberQ[{42}, Mod[#, 43]]&] (* Vincenzo Librandi; Aug 25 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(18000) | p mod 43 eq 42 ]; // Vincenzo Librandi, Aug 25 2012

(PARI) is(n)=isprime(n) && n%43==42 \\ Charles R Greathouse IV, Jul 02 2016

CROSSREFS

Cf. A000040.

Sequence in context: A100633 A007765 A250726 * A208177 A229855 A229856

Adjacent sequences:  A142288 A142289 A142290 * A142292 A142293 A142294

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified July 22 10:39 EDT 2018. Contains 312891 sequences. (Running on oeis4.)