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        riddles >> medium >> x^2 + 3*y^2
        
(Message started by: Christine on Sep 6th, 2013, 8:08am)
Title: x^2 + 3*y^2
Post by Christine on Sep 6th, 2013, 8:08am
what are the conditions for an integer N to be expressible as the sum of a square and 3 times a square in two ways

N = x^2 + 3*y^2 = z^2 + 3*w^2

How to generate them?


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