13 and 21 as well....................................13 is the closest prime to the 1st zero.............21 is the location of the 2nd one............

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The Fibonacci sequence is a series of numbers where a number is found by adding up the two numbers before it. Starting with 0 and 1, the sequence goes 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, and so forth. Written as a rule, the expression is x_n = x_n-1 + x_n-2.Jun 14, 2013

What is the Fibonacci Sequence? - Live Science

https://www.livescience.com/37470-fibonacci-sequence.html

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Fibonacci Sequence - Math is Fun

https://www.mathsisfun.com/numbers/fibonacci-sequence.html

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The Fibonacci Sequence is the series of numbers: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ... The next number is found by adding up the two numbers before it.

Fibonacci number - Wikipedia

https://en.wikipedia.org/wiki/Fibonacci_number

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In mathematics, the Fibonacci numbers are the numbers in the following integer sequence, called the Fibonacci sequence, and characterized by the fact that every number after the first two is the sum of the two preceding ones: Often, especially in modern usage, the sequence is extended by one more initial term: .

‎Golden spiral · ‎Lucas number · ‎Integer sequence · ‎Initial condition