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(z", ") ) ) }

Cf. A108280.

Sequence in context: A139954 A153636 A109840 * A316349 A063339 A228541

Adjacent sequences: A108290 A108291 A108292 * A108294 A108295 A108296

nonn

Cino Hilliard, Jun 29 2005

approved