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A105134
Numbers n such that 16n+9 is prime.
2
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
1,1
LINKS
MATHEMATICA
Select[Range[0, 500], PrimeQ[16 # + 9]&] (* Vincenzo Librandi, Jan 07 2013 *)
PROG
(Magma) [n: n in [0..500] | IsPrime(16*n+9)]; // Vincenzo Librandi, Jan 07 2013
(PARI) is(n)=isprime(16*n+9) \\ Charles R Greathouse IV, Jun 06 2017
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, based on correspondence from Marco Matosic, Apr 11 2005
STATUS
approved