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Lets write a C program to generate Fibonacci Series, using for loop.

1. Fibonacci Program In Java
2. Fibonacci Program Python
3. Fibonacci Numbers Website
4. Fibonacci Numbers List
5. C++ Code For Fibonacci Sequence
6. Fibonacci Sequence C Programming
7. Fibonacci Sequence C

Fibonacci Recursive Program in C - If we compile and run the above program, it will produce the following result −. Fibonacci Recursive Program in C. Fibonacci series in C using a loop and recursion.You can print as many terms of the series as required. The numbers of the sequence are known as Fibonacci numbers.

Related Read:
Fibonacci Series using While loop: C Program

Fibonacci Program In Java

First Thing First: What Is Fibonacci Series ?
Fibonacci Series is a series of numbers where the first two Fibonacci numbers are 0 and 1, and each subsequent number is the sum of the previous two. Its recurrence relation is given by F_n = F_n-1 + F_n-2.

Fibonacci Program Python

Below are a series of Fibonacci numbers(10 numbers):
0
1
1
2
3
5
8
13
21
34

Fibonacci Numbers Website

How Its Formed:
0 <– First Number (n1)
1 <– Second Number (n2)
1 <– = 1 + 0
2 <– = 1 + 1
3 <– = 2 + 1
5 <– = 3 + 2
8 <– = 5 + 3
13 <– = 8 + 5
21 <– = 13 + 8
34 <– = 21 + 13

Video Tutorial: C Program To Generate Fibonacci Series using For Loop

Fibonacci Numbers List

Source Code: C Program To Generate Fibonacci Series using For Loop

C++ Code For Fibonacci Sequence

Output:
Enter the number of terms to be printed
10

0
1
1
2
3
5
8
13
21
34

Logic To Generate Fibonacci Series using For Loop

We know that the first 2 digits in Fibonacci series are 0 and 1. So we directly initialize n1 and n2 to 0 and 1 respectively and print that out before getting into For loop logic. Since we’ve already printed two Fibonacci numbers, we assign 3 to loop control variable count and iterate through the for loop till count is less than or equal to the user entered number.

Inside For loop
As per definition of Fibonacci series: “..each subsequent number is the sum of the previous two.” So we add n1 and n2 and assign the result to n3 and display the value of n3 to the console.

Next, we step forward to get next Fibonacci number in the series, so we step forward by assigning n2 value to n1 and n3 value to n2.

For loop keeps repeating above steps until the count is less than or equal to the user entered number. If the user entered limit/count is 10, then the loop executes 8 times(as we already printed the first two numbers in the Fibonacci series, that is, 0 and 1).

Fibonacci Sequence C Programming

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Fibonacci Sequence C

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