A111367 Numbers k such that 7*k + 5 is prime.

0, 2, 6, 8, 12, 14, 18, 24, 32, 36, 38, 44, 54, 56, 62, 66, 72, 74, 84, 86, 96, 98, 102, 104, 108, 122, 126, 132, 138, 144, 152, 156, 164, 168, 174, 176, 182, 186, 188, 204, 206, 212, 218, 222, 228, 236, 242, 248, 254, 258, 266, 278, 282, 284, 294, 308, 314, 324

Offset: 1

Author

Parthasarathy Nambi, Nov 07 2005

Keywords

• nonn
• easy

Examples

			k=108 is a term because 7*k + 5 = 761 is prime.
		

Links

• Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A017041, A045458, A111224.

Programs

Magma

[n: n in [0..100000] |IsPrime(7*n+5)] // Vincenzo Librandi, Nov 13 2010

PARI

is(n)=isprime(7*n+5) \\ Charles R Greathouse IV, Jun 13 2017