A045387 Primes congruent to {2, 4} mod 7.

2, 11, 23, 37, 53, 67, 79, 107, 109, 137, 149, 151, 163, 179, 191, 193, 233, 263, 277, 317, 331, 347, 359, 373, 389, 401, 431, 443, 457, 487, 499, 541, 557, 569, 571, 599, 613, 641, 653, 683, 709, 739, 751, 809

Offset

1,1

Links

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

Mathematica

Select[Prime[Range[300]], MemberQ[{2, 4}, Mod[#, 7]]&] (* Vincenzo Librandi, Aug 11 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(1000) | p mod 7 in [2, 4]]; // Vincenzo Librandi, Aug 11 2012

Crossrefs

Cf. A000040.

Sequence in context: A256481 A085745 A106856 * A103255 A031385 A294551

Adjacent sequences: A045384 A045385 A045386 * A045388 A045389 A045390

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved