360461domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) is the smallest prime p beginning with 2n such that the difference between p and the next prime is 2n.at n=17A162357Lesser of the Gridgeman pairs in base 2 in increasing order: pairs of primes palindromic in base 2 which differ only in their middle digits.at n=3A246870Prime numbersat n=30791