Fibonacci Number

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Related to Fibbonaci Series: Golden ratio

Fibonacci number

[¦fib·ə¦nä·chē ′nəm·bər]
(mathematics)
A number in the Fibonacci sequence whose first two terms are f1= f2= 1.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Fibonacci Number

 

any term in the recursive number sequence 1, 1, 2, 3, 5, 8,.... In this sequence, which is called a Fibonacci sequence, each term, after the second, is the sum of the two previous terms. Fibonacci numbers are named for the medieval mathematician Leonardo Fibonacci.

REFERENCE

Vorob’ev, N. N. Chisla Fibonachchi, 3rd ed. Moscow, 1969.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.