A045469 Primes congruent to {1, 4} mod 7.

11, 29, 43, 53, 67, 71, 109, 113, 127, 137, 151, 179, 193, 197, 211, 239, 263, 277, 281, 337, 347, 379, 389, 421, 431, 449, 463, 487, 491, 547, 557, 571, 599, 613, 617, 631, 641, 659, 673, 683, 701, 739, 743

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Comments

The same as A045461 except for the initial 7 (the only prime congruent to 0 mod 7). - Alonso del Arte, Feb 18 2012

Links

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

Crossrefs

Cf. A140444, A045471.

Programs

Magma

[ p: p in PrimesUpTo(1000) | p mod 7 in {1, 4} ]; // Vincenzo Librandi, Aug 06 2012

Mathematica

Select[Prime[Range[120]], MemberQ[{1, 4}, Mod[#, 7]] &] (* Alonso del Arte, based on Orlovsky's program for A042992, Feb 18 2012 *)