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In mathematics, the Fibonacci numbers are a sequence of numbers named after Leonardo of Pisa, known as Fibonacci. Fibonacci's 1202 book Liber Abaci introduced the sequence to Western European mathematics, although the sequence had been previously described in Indian mathematics.[1
http://en.wikipedia.org/wiki/Fibonacci_number
created by maths on 2008-05-26 22:47:33
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The Fibonacci numbers give the number of pairs of rabbits n months after a single pair begins breeding (and newly born bunnies are assumed to begin breeding when they are two months old), as first described by Leonardo of Pisa (also known as Fibonacci) in his book Liber Abaci.
http://mathworld.wolfram.com/FibonacciNumber.html
created by maths on 2008-05-26 22:37:00
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All these puzzles except one (which??) have the Fibonacci numbers as their answers.
So now you have the puzzle and the answer - so what's left? Just the explanation of why the Fibonacci numbers are the answer - that's the real puzzle!!
http://www.mcs.surrey.ac.uk/Personal/R.Knott/Fibon
created by maths on 2008-05-26 22:44:52
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This problem caught my attention, because it looks like a good example for using a result that I have derived last year. My result gives a reasonable sufficient condition for showing that a function distributes over the greatest common divisor and shows that the Fibonacci function satisfies the condition.
http://www.joaoff.com/2008/05/09/multiples-in-the-
created by maths on 2008-05-26 22:43:23
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