This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A107072 Numbers n such that 1021*n + 1019 is prime. 0
 0, 2, 8, 14, 24, 30, 44, 50, 72, 78, 80, 84, 92, 110, 114, 128, 138, 164, 182, 230, 234, 258, 260, 264, 278, 318, 320, 330, 332, 338, 348, 360, 374, 384, 398, 414, 422, 440, 462, 488, 492, 498, 500, 512, 524, 530, 534, 554, 558, 572, 594, 602, 612, 624, 632 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS 1019 and 1021 are twin primes. LINKS Chris Caldwell, The First 1,008 Twin Primes. EXAMPLE If n=78, then 1021*n + 1019 = 80657 (prime). PROG (MAGMA) [n: n in [0..100000] | IsPrime(1021*n + 1019)] // Vincenzo Librandi, Nov 13 2010 (PARI) is(n)=isprime(1021*n+1019) \\ Charles R Greathouse IV, Jun 13 2017 CROSSREFS Sequence in context: A211873 A248057 A121055 * A120413 A161156 A125902 Adjacent sequences:  A107069 A107070 A107071 * A107073 A107074 A107075 KEYWORD nonn,easy AUTHOR Parthasarathy Nambi, Jun 07 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 22 00:52 EDT 2019. Contains 328315 sequences. (Running on oeis4.)