Fibonacci number

Fi·​bo·​nac·​ci number | \ ˌfē-bə-ˈnä-chē- How to pronounce Fibonacci number (audio) , ˌfi-bə-\

Definition of Fibonacci number

: an integer in the infinite sequence 1, 1, 2, 3, 5, 8, 13,  … of which the first two terms are 1 and 1 and each succeeding term is the sum of the two immediately preceding

First Known Use of Fibonacci number

1914, in the meaning defined above

History and Etymology for Fibonacci number

Leonardo Fibonacciabout 1250 Italian mathematician

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The first known use of Fibonacci number was in 1914

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