A045313 Primes congruent to {1, 2, 3, 5} (mod 7).

2, 3, 5, 17, 19, 23, 29, 31, 37, 43, 47, 59, 61, 71, 73, 79, 89, 101, 103, 107, 113, 127, 131, 149, 157, 163, 173, 191, 197, 199, 211, 227, 229, 233, 239, 241, 257, 269, 271, 281, 283, 311, 313, 317, 331, 337, 353, 359, 367, 373, 379, 383, 397, 401, 409, 421, 439, 443, 449

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Comments

2 and primes congruent to {1,3,5,9} mod 14. - Chai Wah Wu, Apr 29 2025

Links

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

Crossrefs

Cf. A000040.

Programs

Magma

[p: p in PrimesUpTo(500) | p mod 7 in [1, 2, 3, 5]]; // Vincenzo Librandi, Aug 08 2012

Mathematica

Select[Prime[Range[400]],MemberQ[{1,2,3, 5},Mod[#,7]]&] (* Vincenzo Librandi, Aug 08 2012 *)