Talk:Fibonacci number

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 Definition Element of the sequence in which the first number is 0, the second number is 1, and each subsequent number is equal to the sum of the previous two numbers. [d] [e]
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Fibonacci number and Primenumber

  • If   is a prime number then   is prime. (The converse is false.)

is not correct:

n F(n)
0 0
1 1
2 1
3 2
4 3
5 5

The forth Fibonacci number is 3. 3 is a Primenumber, but 4 is not a Primenumber. --arbol01 07:30, 30 December 2007 (CST)