A105134 Numbers n such that 16n+9 is prime.

2, 4, 5, 8, 14, 17, 19, 25, 28, 32, 35, 37, 38, 47, 50, 53, 58, 59, 64, 65, 68, 70, 74, 80, 82, 89, 92, 100, 103, 107, 109, 112, 119, 124, 130, 133, 134, 142, 143, 148, 149, 152, 154, 157, 163, 164, 169, 170, 173, 178, 184, 185, 187, 190, 200, 203, 214, 215, 220, 224, 229

Offset: 1

Author

N. J. A. Sloane, based on correspondence from Marco Matosic, Apr 11 2005

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A095278, A105133-A105140, A002145, A007521, A105126-A105132.

Programs

Magma

[n: n in [0..500] | IsPrime(16*n+9)]; // Vincenzo Librandi, Jan 07 2013

Mathematica

Select[Range[0, 500], PrimeQ[16 # + 9]&] (* Vincenzo Librandi, Jan 07 2013 *)

PARI

is(n)=isprime(16*n+9) \\ Charles R Greathouse IV, Jun 06 2017