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| fibonacci.js | ||
| fibonacci.spec.js | ||
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Exercise XX - fibonacci
Create a function that returns a specific member of the fibonacci sequence:
a series of numbers in which each number ( Fibonacci number ) is the sum of the two preceding numbers. The simplest is the series 1, 1, 2, 3, 5, 8, etc.
fibonacci(4) // returns the 4th member of the series: 3 (1, 1, 2, 3)
fibonacci(6) // returns 8