Fibonacci fun

F n = F 2001 F 1999 + F 2016 F 2000 F 2010 F 2006 440 F_n = \sqrt { { F }_{ 2001 }{ F }_{ 1999 }+\frac { { F }_{ 2016 }{ F }_{ 2000 }-{ F }_{ 2010 }{ F }_{ 2006 } }{ 440 } }

Let F n F_n denote the n th n^\text{th} Fibonacci number . Find the value of n n such that the equation above is fulfilled.


This problem is original.

Picture credits: Aloe polyphylla spiral by Just chaos, Wikipedia


The answer is 2000.

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