A138629 - OEIS

A138629

Primes of form 17*n+7.

7, 41, 109, 211, 313, 347, 449, 619, 653, 823, 857, 1061, 1129, 1163, 1231, 1367, 1571, 1741, 1877, 1979, 2081, 2251, 2557, 2591, 2659, 2693, 2897, 2999, 3067, 3169, 3203, 3271, 3373, 3407, 3917, 4019, 4597, 4733, 4801, 4903, 4937, 5039, 5107, 5209, 5413

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

EXAMPLE

17*0+7=7, 17*2+7=41, 17*6+7=109, 17*18+7=211, ...

MATHEMATICA

a={}; Do[x=17*n+7; If[PrimeQ[x], AppendTo[a, x]], {n, 10^2}]; a

Select[17Range[0, 500] + 7, PrimeQ] (* Vincenzo Librandi, Sep 01 2016 *)

PROG

(Magma) [a: n in [0..450] | IsPrime(a) where a is 17*n+7 ]; // Vincenzo Librandi, Sep 01 2016