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# Fibonacci Series in C

**Fibonacci Series** in C: In case of fibonacci series, *next number is the sum of previous two numbers* for example 0, 1, 1, 2, 3, 5, 8, 13, 21 etc. The first two numbers of fibonacci series are 0 and 1.

There are two ways to write the fibonacci series program:

- Fibonacci Series without recursion
- Fibonacci Series using recursion

## Fibonacci Series in C without recursion

Let’s see the fibonacci series program in c without recursion.

**Output:**

Enter the number of elements:15 0 1 1 2 3 5 8 13 21 34 55 89 144 233 377

## Fibonacci Series using recursion in C

Let’s see the fibonacci series program in c using recursion.

**Output:**

Enter the number of elements:15 0 1 1 2 3 5 8 13 21 34 55 89 144 233 377

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