login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A108902 Numbers n such that 23*n + 2357 is prime. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

EXAMPLE

If n=0 then 23*n + 2357 = 2357 (prime).

If n=82 then 23*n + 2357 = 4243 (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: A065303 A239673 A208158 * A126935 A333918 A334665

Adjacent sequences: A108899 A108900 A108901 * A108903 A108904 A108905

KEYWORD

nonn,easy

AUTHOR

Parthasarathy Nambi, Jul 16 2005

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 4 04:59 EST 2022. Contains 358544 sequences. (Running on oeis4.)