A139483 Numbers n such that 24n+7 is prime.

0, 1, 3, 4, 5, 6, 8, 9, 11, 15, 18, 19, 20, 25, 26, 30, 31, 34, 38, 40, 41, 43, 44, 45, 51, 53, 54, 55, 58, 59, 60, 61, 64, 65, 69, 73, 74, 76, 78, 81, 83, 89, 93, 95, 96, 99, 104, 106, 110, 111, 113, 115, 116, 120, 128, 136, 138, 139, 141, 144, 146, 148, 149, 150, 151

Offset: 1

Author

Artur Jasinski, Apr 23 2008

Keywords

• nonn
• easy

Crossrefs

Cf. A107006, A124477, A139479.

Programs

Mathematica

a = {}; Do[If[PrimeQ[24 n + 7], AppendTo[a, n]], {n, 0, 200}]; a
Select[Range[0,200],PrimeQ[24#+7]&] (* Harvey P. Dale, Sep 02 2015 *)

PARI

is(n)=isprime(24*n+7) \\ Charles R Greathouse IV, Jun 06 2017