A142290 Primes congruent to 41 mod 43.

41, 127, 557, 643, 1847, 1933, 2621, 2707, 2879, 3137, 3739, 3911, 4513, 4943, 5717, 6491, 6577, 7351, 7523, 7867, 8039, 8297, 8641, 9157, 9587, 9931, 10103, 11393, 11909, 12253, 12511, 12941, 13457, 14489, 14747, 15091, 15263, 15349, 15607, 16381, 16553

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[{41}, Mod[#, 43]]&] (* Vincenzo Librandi, Aug 25 2012 *)
Select[Range[41, 17000, 43], PrimeQ] (* Harvey P. Dale, Jul 28 2018 *)

Prog

(Magma) [p: p in PrimesUpTo(18000) | p mod 43 eq 41 ]; // Vincenzo Librandi, Aug 25 2012
(PARI) is(n)=isprime(n) && n%43==41 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A067896 A205797 A203804 * A013643 A142333 A028343

Adjacent sequences: A142287 A142288 A142289 * A142291 A142292 A142293

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved