15340943domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = smallest prime p = prime(k) such that gcd( prime(k+1) - prime(k), prime(k+2) - prime(k+1) ) is a multiple of 2n.at n=25A054682a(n) = smallest prime p = prime(k) such that gcd( prime(k+1) - prime(k), prime(k+2) - prime(k+1) ) = 2n.at n=25A070018Prime numbersat n=991318