A107072 Numbers n such that 1021*n + 1019 is prime.

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

Offset

1,2

Comments

1019 and 1021 are twin primes.

Links

Table of n, a(n) for n=1..55.

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: A248057 A121055 A344161 * A120413 A161156 A125902

Adjacent sequences: A107069 A107070 A107071 * A107073 A107074 A107075

Keyword

nonn,easy

Author

Parthasarathy Nambi, Jun 07 2005

Status

approved