a(n) is the smallest number m such that the first n primes is the set of all distinct prime divisors of m and for i=1, 2,...,n prime(i)*m-1 is prime.
A112723
a(n) is the smallest number m such that the first n primes is the set of all distinct prime divisors of m and for i=1, 2,...,n prime(i)*m-1 is prime.
Terms
- a(0) =2a(1) =6a(2) =30a(3) =420a(4) =2587200
External references
- oeis: A112723