TheFibonacci numbersfollow the simple pattern 1, 1, 2, 3, 5, 8, etc., in which each number is the sum of the two precedi... (more)
TheFibonacci numbersfollow the simple pattern 1, 1, 2, 3, 5, 8, etc., in which each number is the sum of the two preceding numbers. Fibonacci numbers have many beautiful and unexpected properties, and show up in nature, art, and poetry. (less)