A108596 Numbers n such that 911*n - 7 is prime.

4, 10, 36, 40, 48, 94, 120, 130, 138, 160, 174, 180, 198, 216, 226, 250, 268, 270, 274, 276, 286, 298, 328, 330, 346, 348, 360, 366, 396, 400, 414, 450, 454, 456, 460, 466, 474, 478, 480, 498, 510, 528, 538, 550, 558, 580, 598, 606, 648, 676, 678, 688, 690

Offset

1,1

Comments

7 and 911 are primes.

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Example

If n=4 then 911*n - 7 = 3637 (prime).
If n=160 then 911*n - 7 = 145753 (prime).

Mathematica

Select[Range[700], PrimeQ[911#-7]&] (* Harvey P. Dale, Feb 27 2022 *)

Prog

(Magma) [n: n in [1..700] | IsPrime(911*n-7)]; - Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(911*n-7) \\ Charles R Greathouse IV, Jun 13 2017
(SageMath) [n for n in (1..800) if is_prime(911*n-7)] # G. C. Greubel, Oct 20 2023

Crossrefs

Cf. A108938, A108597.

Sequence in context: A318701 A152916 A222506 * A204270 A287220 A220205

Adjacent sequences: A108593 A108594 A108595 * A108597 A108598 A108599

Keyword

nonn,easy

Author

Parthasarathy Nambi, Jul 25 2005

Status

approved