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Fibonacci number

1. a series of numbers in which each number ( Fibonacci number ) is the sum of the two preceding numbers. The simplest is the series 1, 1, 2, 3, 5, 8, etc.

Example:

 the series of numbers:

0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ...

check how it is:

0+1=1

1+1=2

2+3=5

5+3=8  and so on.....

The next number is found by adding up the two numbers before it.

0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ...

the next number in the sequence above is

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