A045456 Primes congruent to {1, 5} mod 7.

5, 19, 29, 43, 47, 61, 71, 89, 103, 113, 127, 131, 173, 197, 211, 229, 239, 257, 271, 281, 313, 337, 379, 383, 397, 421, 439, 449, 463, 467, 491, 509, 523, 547, 593, 607, 617, 631, 659, 673, 677, 691, 701, 719

Offset

1,1

Links

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

Mathematica

Select[Prime[Range[200]], MemberQ[{1, 5}, Mod[#, 7]]&] (* Vincenzo Librandi, Aug 13 2012 *)

Prog

(Magma) [ p: p in PrimesUpTo(1000) | p mod 7 in {1, 5} ]; // Vincenzo Librandi, Aug 13 2012

Crossrefs

Cf. A000040.

Sequence in context: A296930 A251623 A341079 * A115167 A115103 A241043

Adjacent sequences: A045453 A045454 A045455 * A045457 A045458 A045459

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved