A107406 Numbers n such that 107*n - 109 is prime.

24, 28, 34, 46, 54, 60, 78, 90, 94, 96, 108, 118, 124, 138, 144, 148, 154, 160, 186, 208, 216, 220, 238, 244, 250, 256, 274, 276, 280, 286, 288, 300, 306, 316, 330, 346, 358, 364, 376, 390, 414, 418, 424, 438, 484, 486, 490, 496, 504, 516, 538, 544, 546, 550

Offset

1,1

Comments

107 and 109 are twin primes.

Links

Table of n, a(n) for n=1..54.

Chris Caldwell, The First 1,008 Twin Primes.

Example

If n=96, then 107*n - 109 = 10163 (prime).

Mathematica

Select[Range[2, 600], PrimeQ[107#-109]&] (* Harvey P. Dale, Aug 18 2014 *)

Prog

(Magma) [n: n in [2..100000] | IsPrime(107*n - 109)] // Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(107*n-109) \\ Charles R Greathouse IV, Jun 13 2017

Crossrefs

Sequence in context: A164778 A268540 A030500 * A206261 A217441 A045668

Adjacent sequences: A107403 A107404 A107405 * A107407 A107408 A107409

Keyword

nonn,easy

Author

Parthasarathy Nambi, May 25 2005

Status

approved