Fibonacci sequence

/ ˌfɪbəˈnɑːtʃɪ /

noun

1. the infinite sequence of numbers, 0, 1, 1, 2, 3, 5, 8, etc, in which each member ( Fibonacci number ) is the sum of the previous two

Fibonacci sequence

1. A sequence of numbers, such as 1, 1, 2, 3, 5, 8, 13 … , in which each successive number is equal to the sum of the two preceding numbers. Many shapes occurring in nature, such as certain spirals, have proportions that can be described in terms of the Fibonacci sequence.
2. See also golden section

Word History and Origins

Origin of Fibonacci sequence¹

named after Leonardo Fibonacci

Example Sentences

“One of the most beautiful vegetables to grace our planet,” Selengut says of romanesco’s alien gorgeousness in her book, noting that it’s “also the mathematical nerd’s veggie of choice,” given its Fibonacci sequence formations.

From Seattle Times

The philosopher typed in a program to calculate the 83rd number in the Fibonacci sequence.

From Scientific American

The pattern they chose was the mathematically well-studied Fibonacci sequence, in which the next number in the sequence is the sum of the previous two.

From Scientific American

The black stripes are on a white background, with rows formed as follows: 1, 1, 2, 3, 5 – what we now call the Fibonacci sequence, from which the golden ratio can be derived.

From Salon

Take the Fibonacci sequence, for instance — the repeating pattern of numbers in which each subsequent number totals the sum of the previous two.

From Salon