Which of the following describes 'Oppermann's Conjecture'?
There is at least one prime between n(n−1)n(n-1)n(n−1) and n2n^2n2
There is at least one prime between n2n^2n2 and n(n+1)n(n+1)n(n+1)
Both a and b are part of the conjecture
There are no primes between squares