18681062401domain: NAppears in sequencesSmallest prime of form (n!)*k + 1.at n=12A035094Minimal factorial safe-primes: a prime p = a(n) here if (p-1)/n! = A051888(n).at n=13A051901Primes of the form 3*k! + 1.at n=7A062551a(n) = 3*n! + 1.at n=13A173324