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Fibonacci sequence

British  
/ 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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Fibonacci sequence Scientific  
  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


Etymology

Origin of Fibonacci sequence

named after Leonardo Fibonacci

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

He was a famous 12th century Italian mathematician who invented the Fibonacci sequence which stated each number is the sum of the two preceding ones.

From The Guardian

The Fibonacci sequence—0, 1, 1, 2, 3, 5, 8, 13, 21,…—is familiar to many math enthusiasts.

From Scientific American