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A134916 Numbers n such that both 3^n+2 and 2^n+3 are primes. +0
8
1, 2, 3, 4, 15 (list; graph; listen)
OFFSET

1,2

COMMENT

Intersection of A057732 and A051783. a(6)>1000.

Since this is the intersection of A057732 and A051783, a(6)>95504. - Dmitry Kamenetsky (dkamen(AT)rsise.anu.edu.au), Jul 29 2008

PROGRAM

(PARI) for(n=0, 1000, if(isprime(2^n+3)&&isprime(3^n+2), print(n)))

CROSSREFS

Cf. A051783, A057732.

Sequence in context: A019137 A140047 A102483 this_sequence A085100 A035047 A037323

Adjacent sequences: A134913 A134914 A134915 this_sequence A134917 A134918 A134919

KEYWORD

more,nonn,new

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Jan 29 2008

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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