A142344 Primes congruent to 25 mod 46.

71, 163, 347, 439, 577, 761, 853, 991, 1129, 1451, 1543, 2003, 2141, 2371, 2417, 2647, 2693, 2969, 3061, 3613, 3659, 3797, 3889, 4027, 4073, 4211, 4349, 4441, 4993, 5039, 5407, 5591, 5683, 5821, 5867, 6143, 6373, 6833, 6971, 7109, 7247, 7477, 7523, 7753

Offset

1,1

Links

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

Formula

a(n) ~ 22n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Prime[Range[1200]], MemberQ[{25}, Mod[#, 46]]&] (* Vincenzo Librandi, Aug 26 2012 *)
Select[Range[25, 8000, 46], PrimeQ] (* Harvey P. Dale, May 25 2017 *)

Prog

(Magma) [p: p in PrimesUpTo(8000) | p mod 46 eq 25]; // Vincenzo Librandi, Aug 26 2012
(PARI) is(n)=isprime(n) && n%46==25 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A044703 A142277 A063330 * A278127 A044403 A044784

Adjacent sequences: A142341 A142342 A142343 * A142345 A142346 A142347

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved