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 A134916 Numbers n such that both 3^n+2 and 2^n+3 are primes. 4
 1, 2, 3, 4, 15 (list; graph; refs; listen; history; text; internal format)
 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 MATHEMATICA Select[Range[20], AllTrue[{3^#+2, 2^#+3}, PrimeQ]&] (* Harvey P. Dale, Sep 02 2022 *) 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 A337117 A204983 Adjacent sequences: A134913 A134914 A134915 * A134917 A134918 A134919 KEYWORD more,nonn AUTHOR Zak Seidov, Jan 29 2008 STATUS approved

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Last modified December 6 07:59 EST 2022. Contains 358605 sequences. (Running on oeis4.)