A142325 Primes congruent to 26 mod 45.

71, 251, 431, 521, 701, 881, 971, 1061, 1151, 1511, 1601, 1871, 2141, 2411, 2591, 2861, 3041, 3221, 3491, 3581, 3671, 3761, 3851, 4211, 4391, 4481, 4751, 4931, 5021, 5381, 5471, 5651, 5741, 6011, 6101, 6551, 6911, 7001, 7451, 7541, 7901, 8081, 8171, 9161

Offset

1,1

Links

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

Formula

a(n) ~ 24n log n. - Charles R Greathouse IV, Jul 02 2016

Mathematica

Select[Range[26, 9200, 45], PrimeQ] (* Harvey P. Dale, Apr 27 2012 *)
Select[Prime[Range[1200]], MemberQ[{26}, Mod[#, 45]]&] (* Vincenzo Librandi, Aug 26 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(10000) | p mod 45 eq 26]; // Vincenzo Librandi, Aug 26 2012
(PARI) is(n)=isprime(n) && n%45==26 \\ Charles R Greathouse IV, Jul 02 2016

Crossrefs

Cf. A000040.

Sequence in context: A140628 A123038 A325079 * A232475 A243579 A142013

Adjacent sequences: A142322 A142323 A142324 * A142326 A142327 A142328

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved