fibonacci sequence

Fibonacci numbers

noun Mathematics.
the unending sequence 1, 1, 2, 3, 5, 8, 13, 21, 34, … where each term is defined as the sum of its two predecessors.
Also called Fibonacci sequence.

1890–95; after Leonardo Fibonacci, 13th-century Italian mathematician Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
Fibonacci sequence or Fibonacci series (ˌfɪbəˈnɑːtʃɪ)
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
[named after Leonardo Fibonacci]
Fibonacci series or Fibonacci series
[named after Leonardo Fibonacci]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
Fibonacci sequence  

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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. See also golden section.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Computing Dictionary

Fibonacci sequence definition

The infinite sequence of numbers beginning
1, 1, 2, 3, 5, 8, 13, ...
in which each term is the sum of the two terms preceding it.
The ratio of successive Fibonacci terms tends to the golden ratio, namely (1 + sqrt 5)/2.
[Why not "Fibonacci series"?]

The Free On-line Dictionary of Computing, © Denis Howe 2010
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