4722079domain: NPropertiesPrimalityPrimeyesAppears in sequencesFor a prime p, let k(p) be the least k such that 2kp+1 is prime. Sequence gives primes for which k(p) exceeds k(q) for all primes q < p.at n=28A074884Position of records in A034693.at n=25A194945Prime numbersat n=330408