A105655 Numbers k such that p1=2k+3, p2=4k+5, p3=6k+7, p4=8k+9, p5=10k+11 and p6=12k+13 are all prime.

12704, 13019, 105524, 256409, 966839, 1707509, 1944494, 2309999, 2478629, 3132674, 3836069, 3976769, 4112429, 4532324, 5499584, 5920004, 6610484, 7390844, 8552249, 10739504, 11120339, 12231449, 12338129, 13243229, 16467254

Offset

1,1

Links

Table of n, a(n) for n=1..25.

Mathematica

With[{r1=Range[2, 12, 2], r2=Range[3, 13, 2]}, Select[Range[16500000], And@@PrimeQ[# r1+r2]&]] (* Harvey P. Dale, Jan 31 2011 *)

Prog

(Magma)[n: n in [0..10000000]|IsPrime(2*n+3) and IsPrime(4*n+5) and IsPrime(6*n+7) and IsPrime(8*n+9) and IsPrime(10*n+11)and IsPrime(12*n+13)] // Vincenzo Librandi, Dec 16 2010

Crossrefs

Cf. A005382, A005383, A105610, A105652, A105653, A105654, A105656, A105657.

Sequence in context: A254806 A253815 A083602 * A124411 A256809 A205939

Adjacent sequences: A105652 A105653 A105654 * A105656 A105657 A105658

Keyword

nonn

Author

Zak Seidov, Apr 16 2005

Status

approved