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# Fibonacci Numbers

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We come across many series when we work on Numbers. Series of Even Numbers, odd numbers, prime numbers, series of squares of the numbers and the series of the cubes of the numbers are some of the common series we look around us.  Here in this session we will work on the Fibonacci numbers.

To form the Fibonacci number, we will start from the two smallest whole numbers i.e. 0 and 1. Now the next elements of the Fibonacci number will be calculated using these two numbers. We write the first two elements of the given series and then to find the next element we write 0 + 1 = 1. So the series three elements will be 0, 1, 1.

1st element   : 0
2nd element : 1
3rd element  : 0+1 = 1
4th element  : 1+1 = 2
5th element  : 2+1 = 3
6th element  : 3+2 = 5
7th element  : 5+3 = 8
8th element  : 8+5 = 13
9th element  : 13+8 = 21

The fibonacci series looks like 0, 1, 1, 2, 3, 5, 8, 13, 21…. and goes till infinity.