A141953 Primes congruent to 8 mod 27.

89, 197, 251, 359, 467, 521, 683, 953, 1061, 1223, 1277, 1439, 1493, 1601, 1709, 1871, 1979, 2087, 2141, 2357, 2411, 2789, 2843, 2897, 3167, 3221, 3329, 3491, 3761, 3923, 4139, 4409, 4463, 4517, 4679, 4733, 4787, 5003, 5273, 5381, 5651, 5813, 5867, 6029

Offset

1,1

Links

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

Formula

a(n) ~ 18n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Prime[Range[800]], MemberQ[{8}, Mod[#, 27]] &] (* Vincenzo Librandi, Aug 16 2012 *)
Select[Range[8, 6100, 27], PrimeQ] (* Harvey P. Dale, May 28 2013 *)

Prog

(Magma) [p: p in PrimesUpTo(7000) | p mod 27 eq 8 ]; // Vincenzo Librandi, Aug 16 2012
(PARI) is(n)=isprime(n) && n%27==8 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A044802 A142499 A184541 * A142625 A054694 A132256

Adjacent sequences: A141950 A141951 A141952 * A141954 A141955 A141956

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved