A108058 Numbers k such that 179*k + 181 is prime.

0, 8, 14, 20, 38, 42, 62, 78, 84, 92, 102, 104, 120, 150, 158, 162, 164, 168, 174, 180, 192, 204, 224, 228, 230, 242, 252, 272, 278, 294, 300, 308, 344, 348, 360, 378, 384, 390, 402, 404, 410, 414, 432, 434, 438, 440, 444, 458, 474, 494, 500, 504, 528, 554

Offset

1,2

Comments

179 and 181 are twin primes.

Links

Paolo Xausa, Table of n, a(n) for n = 1..10000

Chris Caldwell, The First 1,008 Twin Primes.

Example

If k=92 then 179*k + 181 = 16649 (prime).

Mathematica

Select[Range[0, 1000], PrimeQ[179*# + 181] &] (* Paolo Xausa, Feb 17 2026 *)

Prog

(Magma) [n: n in [0..100000] | IsPrime(179*n + 181 )]; // Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(179*n+181) \\ Charles R Greathouse IV, Jun 13 2017

Crossrefs

Cf. A108059, A108060, A108061.

Sequence in context: A345089 A200328 A363031 * A322410 A191352 A287177

Adjacent sequences: A108055 A108056 A108057 * A108059 A108060 A108061

Keyword

nonn,easy

Author

Parthasarathy Nambi, Jun 02 2005

Status

approved