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Topic: A quicker way?
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Posts: 80
Registered: 3/3/11
A quicker way?
Posted: Feb 4, 2013 10:07 AM
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Let n^2 = N + a^2, where n, N and a are integers.
Knowing N, it is of course possible to find n by trying a = 1, 2, 3, 4, etc...
But doesn't exist a quicker way ?

Thank you,


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