a(n) is the smallest number m such that m has n distinct prime divisors and if p is a prime divisor of m then p*m +1 is prime.
A092024
a(n) is the smallest number m such that m has n distinct prime divisors and if p is a prime divisor of m then p*m +1 is prime.
Terms
- a(0) =2a(1) =6a(2) =354a(3) =210a(4) =43860a(5) =463980a(6) =189583590a(7) =6958972020a(8) =200007607800
External references
- oeis: A092024