A106699 Numbers k such that 1009*k - 9973 is prime.

14, 24, 30, 48, 74, 78, 86, 108, 116, 128, 146, 168, 176, 188, 200, 204, 216, 234, 240, 248, 266, 294, 300, 308, 314, 318, 330, 350, 380, 386, 396, 410, 420, 468, 470, 480, 494, 510, 524, 534, 536, 554, 576, 584, 590, 596, 620, 630, 636, 648, 650, 666, 680

Offset

1,1

Comments

1009 and 9973 are the smallest and largest of four-digit primes.

Links

Table of n, a(n) for n=1..53.

Example

If k=14, then 1009*k - 9973 = 4153 (prime).
If k=128, then 1009*k - 9973 = 119179 (prime).

Prog

(Magma) [n: n in [10..100000] | IsPrime(1009*n - 9973)]; // Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(1009*n-9973) \\ Charles R Greathouse IV, Jun 13 2017

Crossrefs

Cf. A105680, A105710.

Sequence in context: A020905 A048635 A114872 * A111455 A171124 A046290

Adjacent sequences: A106696 A106697 A106698 * A106700 A106701 A106702

Keyword

nonn,easy

Author

Parthasarathy Nambi, May 13 2005

Status

approved