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A087697 n +/- 7 are both prime. 12
10, 12, 24, 30, 36, 54, 60, 66, 90, 96, 120, 144, 156, 174, 186, 204, 234, 264, 270, 276, 300, 324, 360, 366, 390, 426, 450, 456, 516, 564, 570, 594, 600, 606, 624, 654, 666, 684, 726, 750, 780, 804, 816, 846, 870, 960, 984, 990 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

f[n_]:=PrimeQ[n-7]&&PrimeQ[n+7]; lst={}; Do[If[f[n], AppendTo[lst, n]], {n, 6, 8!, 2}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Oct 09 2009]

CROSSREFS

Cf. A014574, A087678-A087683, A087695-A087697, A088767.

Sequence in context: A098785 A022324 A084953 * A140972 A108901 A073083

Adjacent sequences:  A087694 A087695 A087696 * A087698 A087699 A087700

KEYWORD

easy,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Sep 27 2003

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Last modified February 15 23:53 EST 2012. Contains 205860 sequences.