Quote:
Originally Posted by Orgasmic Troll
I think r = 1.21495... is what you're looking for.
This is assuming that the expected number of mersenne primes in the interval (x,rx) is log_{2}(2^{n})*1.78 (i.e. in the interval (x,4x), we expect to find 3.56 mersenne primes)

We are extracting more mileage out of this thread than I anticipated.
Does n=r?
More to come.
David