

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
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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 A095183
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



