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A162001 Initial members of prime triples (p, p+2, p+6) for which also the sum 3p+8 is prime. 0
5, 11, 17, 41, 101, 311, 347, 641, 857, 1301, 1427, 1481, 2237, 2687, 3461, 3527, 4001, 4787, 8861, 10457, 11171, 11777, 13691, 14627, 19421, 19991, 21017, 21557, 22271, 24917, 25997, 26261, 26681, 26711, 27737, 29021, 31511, 32057, 33347, 35591 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

(5,7,11) => 23 is prime

A subsequence of A022004 (= initial members of prime triples (p, p+2, p+6)). - Emeric Deutsch, Jul 12 2009

LINKS

Table of n, a(n) for n=1..40.

MAPLE

a := proc (n) if isprime(n) = true and isprime(n+2) = true and isprime(n+6) = true and isprime(3*n+8) = true then n else end if end proc: seq(a(n), n = 1 .. 50000); [From Emeric Deutsch, Jul 12 2009]

CROSSREFS

Sequence in context: A184968 A022004 A172454 * A171713 A174858 A246704

Adjacent sequences:  A161998 A161999 A162000 * A162002 A162003 A162004

KEYWORD

nonn

AUTHOR

Milton L. Brown (miltbrown(AT)earthlink.net), Jun 24 2009

EXTENSIONS

Definition corrected by Emeric Deutsch, Jul 12 2009

Extended by Emeric Deutsch, Jul 12 2009

STATUS

approved

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Last modified October 24 23:00 EDT 2014. Contains 248516 sequences.