Fibonacci number (Fibonacci sequence), also known as golden columns, because mathematician Leonardo Fibonacci (Leonardoda Fibonacci) as an example to the rabbit breeding and the introduction, it is also known as "Rabbit series," referring to such a series is: 1,1,2,3,5,8,13,21,34, ...... mathematically, Fibonacci numbers are listed in the following recursive method to define: F (1) = 1, F (2) = 1, F (n) = F (n-1) + F (n-2) (n> = 3, n∈N *)
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