425987domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = n*x^n + (n-1)*x^(n-1) + . . . + x + 1 for x=2.at n=14A088578Primes of the form n*x^n + (n-1)*x^(n-1) + . . . + x + 1 for x=2.at n=3A088579Prime numbersat n=35852