A142277 Primes congruent to 28 mod 43.

71, 157, 587, 673, 1103, 1361, 1447, 1619, 1877, 2221, 2393, 2909, 3167, 3253, 3511, 3769, 4027, 4457, 4801, 4973, 5059, 5231, 6091, 6263, 6521, 6607, 6779, 7639, 8069, 8929, 9187, 10133, 10391, 10477, 10993, 11251, 11423, 11681, 11939, 12197, 12541

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[{28}, Mod[#, 43]]&] (* Vincenzo Librandi, Aug 25 2012 *)
Select[Range[28, 13000, 43], PrimeQ] (* Harvey P. Dale, Sep 08 2020 *)

Prog

(Magma) [p: p in PrimesUpTo(16000) | p mod 43 eq 28 ]; // Vincenzo Librandi, Aug 25 2012
(PARI) is(n)=isprime(n) && n%43==28 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A044322 A044703 A372188 * A063330 A142344 A278127

Adjacent sequences: A142274 A142275 A142276 * A142278 A142279 A142280

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved