Free Republic

A pair of rabbits are put in a field and, if rabbits take a month to become mature and then produce a new pair every month after that, how many pairs will there be in twelve months time? Somewhere around 1200 A.D. an Italian mathematician who went by the pen-name Fibonacci pondered this very problem, a task made a bit easier by his pioneering adoption of the Hindu-Arabic numeric system. The 1,1,2,3,5,8... sequence which resulted is known as the Fibonacci Sequence, and it's connected to both the critical artistic concept of the "golden section" and the "propagating spiral." Hmmm. Breeding...