A045389 Primes congruent to {2, 6} mod 7.

2, 13, 23, 37, 41, 79, 83, 97, 107, 139, 149, 163, 167, 181, 191, 223, 233, 251, 293, 307, 317, 331, 349, 359, 373, 401, 419, 433, 443, 457, 461, 499, 503, 541, 569, 587, 601, 643, 653, 709, 727, 751, 769, 797

Offset

1,1

Links

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

Mathematica

Select[Prime[Range[300]], MemberQ[{2, 6}, Mod[#, 7]]&] (* Vincenzo Librandi, Aug 11 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(1000) | p mod 7 in [2, 6]]; // Vincenzo Librandi, Aug 11 2012

Crossrefs

Cf. A000040.

Sequence in context: A171794 A243615 A243617 * A243621 A195190 A215390

Adjacent sequences: A045386 A045387 A045388 * A045390 A045391 A045392

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved