Keith Numbers
Library Home 
Full Table of Contents 
Suggest a Link 
Library Help
http://www.cadaeic.net/keithnum.htm  


Mike Keith  
A Keith number is an ndigit integer N with the following property: If a Fibonaccilike sequence (in which each term in the sequence is the sum of the n previous terms) is formed, with the first n terms being the decimal digits of the number N, then N itself occurs as a term in the sequence. For example, 197 is a Keith number since it generates the sequence: 1, 9, 7, 17, 33, 57, 107, 197, ...  


Levels:  High School (912), College 
Languages:  English 
Math Topics:  Sequences and Sets 
[Privacy Policy] [Terms of Use]
© 1994 Drexel University. All rights reserved.
http://mathforum.org/
The Math Forum is a research and educational enterprise of the Drexel University School of Education.