A129806 Primes congruent to +-5 mod 18.

5, 13, 23, 31, 41, 59, 67, 103, 113, 131, 139, 149, 157, 167, 193, 211, 229, 239, 257, 283, 293, 311, 337, 347, 373, 383, 401, 409, 419, 463, 491, 499, 509, 563, 571, 599, 607, 617, 643, 653, 661, 733, 743, 751, 761, 769, 787, 797, 823, 859, 877, 887, 941, 967, 977, 1013

Offset

1,1

Comments

Primes congruent to (5,13) mod 18. - Vincenzo Librandi, Aug 14 2012

Links

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

Emma Lehmer, On special primes, Pac. J. Math., 118 (1985), 471-478.

Mathematica

Select[Prime[Range[4000]], MemberQ[{5, 13}, Mod[#, 18]]&] (* Vincenzo Librandi, Aug 14 2012 *)

Prog

(Magma) [ p: p in PrimesUpTo(1300) | p mod 18 in {5, 13} ]; // Vincenzo Librandi, Aug 14 2012

Crossrefs

Cf. A129805, A129807.

Sequence in context: A155552 A219546 A143988 * A125830 A049882 A108195

Adjacent sequences: A129803 A129804 A129805 * A129807 A129808 A129809

Keyword

nonn,easy

Author

N. J. A. Sloane, May 22 2007

Status

approved