A108724 Numbers n such that 11*n + 17 is prime.

0, 4, 6, 10, 12, 16, 24, 30, 40, 42, 46, 60, 66, 70, 72, 76, 82, 84, 94, 100, 112, 124, 130, 142, 144, 150, 156, 160, 174, 180, 186, 192, 202, 214, 216, 220, 222, 226, 234, 240, 250, 252, 256, 282, 286, 292, 294, 304, 312, 322, 324, 334, 342, 346, 352, 354, 364

Offset

1,2

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Example

If n=0, then 11*n + 17 = 17 (prime).
If n=42, then 11*n + 17 = 479 (prime).

Maple

a:=proc(n) if isprime(11*n+17)=true then n else fi end: seq(a(n), n=0..420); # Emeric Deutsch, Jun 26 2005

Mathematica

Select[Range[0, 500], PrimeQ[11#+17]&] (* Harvey P. Dale, Oct 16 2014 *)

Prog

(PARI) is(n)=isprime(11*n+17) \\ Charles R Greathouse IV, Jun 12 2017

Crossrefs

Cf. A108233.

Sequence in context: A242877 A193948 A292794 * A243864 A024995 A343703

Adjacent sequences: A108721 A108722 A108723 * A108725 A108726 A108727

Keyword

nonn,easy

Author

Parthasarathy Nambi, Jun 21 2005

Extensions

More terms from Emeric Deutsch, Jun 26 2005

Status

approved