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

Author

N. J. A. Sloane, Jul 11 2008

Keywords

• nonn
• easy

Links

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

Crossrefs

Cf. A000040.

Programs

Magma

[p: p in PrimesUpTo(8000) | p mod 46 eq 25]; // Vincenzo Librandi, Aug 26 2012

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 *)

PARI

is(n)=isprime(n) && n%46==25 \\ Charles R Greathouse IV, Jul 03 2016

Formula

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