1594297domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = 3^n - 2*n.at n=13A186948Primes of the form p^q - 2q, where p and q are prime.at n=7A249180Primes of the form 3^k - 26.at n=2A289725Prime numbersat n=120738