A108265 Consider primes p and q such that p = 2^k + 9 and q = 2^(k+1) + 9 for some k; sequence gives values of q.

13, 17, 73, 137, 1033

Offset

1,1

Links

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

Prog

(PARI) g(m, n, b) = { for(x=0, n, y=m+b^x+b%2; z=m+b^(x+1)+b%2; if(isprime(y)&isprime(z), print1(y", ") ) ) }

Crossrefs

Cf. A108264.

Sequence in context: A356079 A214393 A060569 * A069853 A175791 A356791

Adjacent sequences: A108262 A108263 A108264 * A108266 A108267 A108268

Keyword

nonn

Author

Cino Hilliard, Jun 29 2005

Status

approved