197903207domain: NPropertiesPrimalityPrimeyesAppears in sequencesOdd numbers that are neither of the form p + 2^k nor of the form p - 2^k with k > 0, and p prime.at n=23A263644Primes that are neither of the form p + 2^k nor of the form p - 2^k with k > 0, and p prime.at n=7A263645Prime numbersat n=10969215