We introduce a function Z(k) which measures the number of distinct ways in which a number can be expressed as the sum of Fibonacci numbers. Using a binary table and other devices, we explore the values that Z(k) can take and reveal a surprising relationship between the values of Z(k) and the Fibonacci numbers from which they were derived. The article shows the way in which standard spreadsheet functionalities makes it possible to reveal quite striking patterns in data.
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Baker, John E. and Sugden, Steve
The role of spreadsheets in an investigation of Fibonacci Numbers,
Spreadsheets in Education (eJSiE):
2, Article 2.
Available at: http://epublications.bond.edu.au/ejsie/vol7/iss2/2