A141969 Primes congruent to 11 mod 28.

11, 67, 151, 179, 263, 347, 431, 487, 571, 599, 683, 739, 823, 907, 991, 1019, 1103, 1187, 1327, 1439, 1523, 1579, 1607, 1663, 1747, 1831, 1999, 2027, 2083, 2111, 2251, 2447, 2503, 2531, 2671, 2699, 3119, 3203, 3259, 3343, 3371, 3511, 3539, 3623, 3847, 3931

Offset

1,1

Links

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

Formula

a(n) ~ 12n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Prime[Range[1500]], MemberQ[{11}, Mod[#, 28]]&] (* Vincenzo Librandi, Aug 17 2012 *)
Select[Range[11, 4000, 28], PrimeQ] (* Harvey P. Dale, Oct 23 2017 *)

Prog

(Magma) [p: p in PrimesUpTo(5000) | p mod 28 eq 11 ]; // Vincenzo Librandi, Aug 17 2012
(PARI) is(n)=isprime(n) && n%28==11 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A382998 A244304 A058883 * A142645 A201605 A268458

Adjacent sequences: A141966 A141967 A141968 * A141970 A141971 A141972

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved