A142493 Primes congruent to 28 mod 51.

79, 181, 283, 487, 691, 997, 1201, 1303, 1609, 2017, 2221, 2731, 2833, 3037, 3343, 3547, 3853, 4057, 4159, 4261, 4363, 4567, 5077, 5179, 5281, 5689, 5791, 6199, 6301, 6607, 6709, 7219, 7321, 7933, 8443, 8647, 9157, 9463, 9769, 9871, 9973, 10177, 10687, 10789

Offset

1,1

Links

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

Formula

a(n) ~ 32n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Prime[Range[2400]], MemberQ[{28}, Mod[#, 51]] &] (* Vincenzo Librandi, Aug 28 2012 *)
Select[Range[28, 11000, 51], PrimeQ] (* Harvey P. Dale, Oct 07 2019 *)

Prog

(Magma) [p: p in PrimesUpTo(13000) | p mod 51 eq 28]; // Vincenzo Librandi, Aug 28 2012
(PARI) is(n)=isprime(n) && n%51==28 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A044411 A044792 A244775 * A063328 A142678 A358315

Adjacent sequences: A142490 A142491 A142492 * A142494 A142495 A142496

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved