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Test if a number is a fibonacci number
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Test if a number is a fibonacci number
Reference: Recognizing Fibonacci numbers
$ npm install --save is-fibonaccivar isFibo = require('is-fibonacci');
isFibo(1);
//=> true
isFibo(2);
//=> true
isFibo(8);
//=> true
isFibo(3441);
//=> falseMIT © Leonardo Borges Avelino