1,1

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

(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", ") ) ) }

Cf. A108264.

Sequence in context: A089577 A214393 A060569 * A069853 A175791 A289866

Adjacent sequences: A108262 A108263 A108264 * A108266 A108267 A108268

nonn

Cino Hilliard, Jun 29 2005

approved