673327domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest prime divisor of n-th primorial + (n+1)-st prime.at n=30A065315Primes arising in A083989.at n=32A083990a(n)= -a(n-1) +5*a(n-2) +5*a(n-3) -a(n-4) -a(n-5).at n=19A107402Prime numbersat n=54562