A107400 Numbers k such that 107*k + 109 is prime.

0, 6, 14, 24, 30, 32, 42, 44, 56, 60, 80, 86, 90, 122, 126, 134, 146, 162, 164, 182, 186, 204, 224, 234, 242, 246, 252, 266, 276, 284, 290, 294, 302, 312, 330, 336, 354, 356, 360, 374, 386, 416, 422, 426, 440, 450, 452, 464, 482, 494, 500, 504, 506, 510, 554

Offset

1,2

Comments

107 and 109 are twin primes.

Links

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

Chris Caldwell, The First 1,008 Twin Primes.

Example

If k=60, then 107*k + 109 = 6529 (prime).

Mathematica

Select[Range[0, 600], PrimeQ[107 # + 109] &] (* Michael De Vlieger, Jan 20 2018 *)

Prog

(PARI) isA107400(n) = isprime(107*n+109)
(Magma) [n: n in [0..100000] | IsPrime(107*n + 109)]; // Vincenzo Librandi, Nov 13 2010

Crossrefs

Cf. A107405, A107406, A107407.

Sequence in context: A022824 A005281 A120345 * A374987 A104675 A028557

Adjacent sequences: A107397 A107398 A107399 * A107401 A107402 A107403

Keyword

nonn

Author

Parthasarathy Nambi, May 25 2005

Status

approved