

A134916


Numbers n such that both 3^n+2 and 2^n+3 are primes.


4




OFFSET

1,2


COMMENTS

Intersection of A057732 and A051783. a(6)>1000.
Since this is the intersection of A057732 and A051783, a(6)>95504.  Dmitry Kamenetsky, Jul 29 2008


LINKS

Table of n, a(n) for n=1..5.


PROG

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


CROSSREFS

Cf. A051783, A057732.
Sequence in context: A140047 A297840 A102483 * A085100 A204983 A249623
Adjacent sequences: A134913 A134914 A134915 * A134917 A134918 A134919


KEYWORD

more,nonn


AUTHOR

Zak Seidov, Jan 29 2008


STATUS

approved



