A241572 Numbers n such that 2*n+17 is not a prime.

2, 4, 5, 8, 9, 11, 14, 16, 17, 19, 20, 23, 24, 26, 29, 30, 32, 34, 35, 37, 38, 39, 41, 44, 47, 49, 50, 51, 52, 53, 54, 56, 58, 59, 62, 63, 64, 65, 68, 69, 71, 72, 74, 76, 77, 79, 80, 83, 84, 85, 86, 89, 92, 93, 94, 95, 96, 98, 99, 100, 101, 102, 104, 107, 109

Offset: 1

Author

Vincenzo Librandi, Apr 27 2014

Keywords

• nonn
• easy

Links

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

Crossrefs

Complement of A173059.

Cf. similar sequence listed in A153144.

Programs

Magma

[n: n in [0..200] | not IsPrime(2*n+17)];

Mathematica

Select[Range[0, 200], ! PrimeQ[2 # + 17] &]