# Fibonacci number

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## Fi·bo·nac·ci number

(fē′bə-nä′chē)
n.
A number in the Fibonacci sequence.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 Fibonacci number - a number in the Fibonacci sequencenumber - a concept of quantity involving zero and units; "every number has a unique position in the sequence"
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References in periodicals archive ?
The reception area has a mathematical theme, with equations and even pictorials depicting some well-known mathsy phrases, think Fibonacci number sequences (also known as phi).
where [F.sub.n] is the n-th Fibonacci number. In this situation, the sum [s.sub.1] + ...
If [F.sub.n] is the nth Fibonacci number, then for n [greater than or equal to] 1,
The 34th conference of the International Group for the Psychology of Mathematical Education takes place in July where they'll no doubt discuss semi-prime numbers and the notion that 34 is the ninth Fibonacci number and that since it is an odd-indexed Fibonacci number, 34 is also a Markov number.
where [F.sub.i] is the i-th Fibonacci number (1,1,2,3,5,8, ...), [d.sub.i][member of] {0,1}, [d.sub.k] = 1.
The next Fibonacci number, 21, forecasts the next major low in April 2010 (21 months from the top).
The site includes lively comments by readers who often disagree with the blogger's views, and also pages for Silliman's own poetry, including Tjanting, a dazzling long poem structured according to the Fibonacci number system.
Clearly, this is very different from the Fibonacci number series but will use similar types of Maple expressions.
Using a table of successive Fibonacci ratios (provided in Table 1), the next Fibonacci ratio is calculated as the multiplication of twenty days and the next Fibonacci number (21 H 1).
Noting the pervasiveness of Fibonacci numbers in nature, Penrose even suggests that information processing advantages may be conferred by the Fibonacci number structure of the microtubules within the neuron cytoskeletons.
The set of Fibonacci numbers. Mathematically, the N-th (N [is greater than or equal to] O) Fibonacci number, [F.sub.
Having set up a simple spreadsheet to calculate the Fibonacci numbers, students then calculate the ratio of one Fibonacci number to the previous one, thus revealing the Golden Ratio.

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