Re: Prime chains x-->Ax+B [puzzle 2]
- --- In email@example.com, Kevin Acres <research@...> wrote:
> after now having found 17 15/16 chains, shouldSuppose that you guessed a 1/9 chance. Then the odds
> I reasonably be expecting a 16/16 some time soon?
of /not/ getting a result after 17 tries are
exp(-17/9) =~ 15%
- --- In firstname.lastname@example.org,
Kevin Acres <research@...> wrote:
> x=a*x+b either is a square or has a square as a major factor.Suppose that we want to start with a square and get a square.
Then we must solve the Diophantine equation
y^2 = a*x^2 + b
For any pair (a,b), Dario will tell us all the solutions: