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A087696 Numbers n such that n + 5 and n - 5 are both prime. 8
8, 12, 18, 24, 36, 42, 48, 66, 78, 84, 102, 108, 132, 144, 162, 168, 186, 228, 234, 246, 276, 288, 312, 342, 354, 378, 384, 414, 426, 438, 444, 462, 504, 552, 582, 612, 636, 648, 678, 696, 714, 738, 756, 792, 816, 834, 858, 882, 924, 942, 972 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Range[5, 1000], AllTrue[#+{5, -5}, PrimeQ]&] (* The program uses the AllTrue function from Mathematica version 10 *) (* Harvey P. Dale, Dec 08 2014 *)

PROG

(PARI) isok(n) = isprime(n-5) && isprime(n+5); \\ Michel Marcus, Sep 02 2019

CROSSREFS

Cf. A014574, A087678-A087683, A087695-A087697, A088765.

Sequence in context: A280968 A157940 A308494 * A245989 A293529 A028393

Adjacent sequences:  A087693 A087694 A087695 * A087697 A087698 A087699

KEYWORD

easy,nonn

AUTHOR

Zak Seidov, Sep 27 2003

STATUS

approved

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Last modified September 26 01:25 EDT 2020. Contains 337346 sequences. (Running on oeis4.)