A108902 Numbers k such that 23*k + 2357 is prime.

0, 12, 24, 28, 42, 48, 58, 70, 72, 82, 84, 94, 100, 102, 112, 124, 130, 132, 138, 142, 144, 150, 160, 168, 174, 178, 198, 210, 220, 240, 258, 264, 268, 300, 304, 312, 328, 334, 340, 342, 352, 354, 364, 370, 412, 418, 424, 444, 454, 462, 468, 474, 480, 490, 502

Offset

1,2

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Example

0 is a term since 23*0 + 2357 = 2357 is prime.
82 is a term since 23*82 + 2357 = 4243 is prime.

Mathematica

Select[Range[0, 600], PrimeQ[23#+2357]&] (* Harvey P. Dale, May 23 2020 *)

Prog

(Magma) [n: n in [0..10000] | IsPrime(23*n + 2357)]; // Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(23*n+2357) \\ Charles R Greathouse IV, Jun 13 2017

Crossrefs

Sequence in context: A208158 A361155 A372549 * A126935 A333918 A334665

Adjacent sequences: A108899 A108900 A108901 * A108903 A108904 A108905

Keyword

nonn,easy

Author

Parthasarathy Nambi, Jul 16 2005

Status

approved