A087682 Numbers n such that n + 8 and n - 8 are both prime.

11, 15, 21, 39, 45, 51, 75, 81, 105, 159, 165, 171, 189, 219, 231, 249, 285, 339, 345, 375, 381, 441, 471, 495, 549, 555, 579, 585, 609, 639, 651, 669, 735, 765, 819, 831, 945, 975, 1005, 1041, 1095, 1101, 1179, 1209, 1221, 1299, 1311, 1431, 1479, 1491

Offset

1,1

Links

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

Mathematica

f[n_]:=PrimeQ[n-8]&&PrimeQ[n+8]; lst={}; Do[If[f[n], AppendTo[lst, n]], {n, 7, 8!, 2}]; lst (* Vladimir Joseph Stephan Orlovsky, Oct 09 2009 *)

Crossrefs

Cf. A014574, A087678-A087683, A087695-A087697, A088768.

Sequence in context: A265114 A213179 A211322 * A104628 A045564 A285271

Adjacent sequences: A087679 A087680 A087681 * A087683 A087684 A087685

Keyword

easy,nonn

Author

Zak Seidov, Sep 27 2003

Extensions

More terms from Ray Chandler, Oct 26 2003

Status

approved