Fibonacci number

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noun Fi·bo·nac·ci number \ˌfē-bə-ˈnä-chē-, ˌfi-bə-\

Definition of Fibonacci number

  1. :  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

Origin and Etymology of fibonacci number

Leonardo Fibonacciabout 1250 Italian mathematician


First Known Use: 1914


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