A024908 Numbers k such that 9*k - 5 is prime.

2, 4, 8, 12, 16, 18, 22, 24, 26, 32, 38, 42, 46, 52, 56, 64, 68, 72, 74, 82, 84, 86, 88, 92, 96, 98, 108, 114, 116, 122, 126, 134, 138, 144, 148, 154, 156, 162, 164, 166, 172, 176, 178, 186, 192, 194, 196, 198, 204, 208, 222, 224, 226, 232, 238, 254, 264, 266, 284, 296, 298, 302

Offset

1,1

Links

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

Mathematica

Select[Range[500], PrimeQ[9#-5]&] (* Harvey P. Dale, Sep 14 2012 *)

Prog

(Magma) [n: n in [1..1000] |IsPrime(9*n-5)]; // Vincenzo Librandi, Nov 20 2010
(PARI) is(n)=isprime(9*n-5) \\ Charles R Greathouse IV, Jun 06 2017

Crossrefs

Sequence in context: A282667 A124395 A334167 * A358308 A325326 A215459

Adjacent sequences: A024905 A024906 A024907 * A024909 A024910 A024911

Keyword

nonn,easy

Author

Clark Kimberling

Status

approved