Number series program

Number Series #3

(1) + (1+2) + (1+2+3) + (1+2+3+4) + ... + (1+2+3+4+...+n)

Output
Value of n: 5
Sum:35

The program for the series is written in C# programming language and will accept a number as input. The loops will iterate based on the number of entry.
 
Number series program


Note: If you are new to C# and Console Application. Try to code First C# Program

Note: Read articles on how to use Loops and Conditions.

Let’s find out a simple and easy way to code these pattern.

Practical Implementation:

using System;

namespace patternProblem.Number
{
    class Number3
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Given series is:");
            Console.WriteLine("(1) + (1+2) + (1+2+3) + (1+2+3+4) + ... + (1+2+3+4+...+n)");
            Console.WriteLine("----------------------------");
            Console.WriteLine();
            Console.WriteLine("Enter value of n: ");
            int n = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine();
            int sum = 0;

            Console.WriteLine("-----Output-----");
            Console.WriteLine();
            for (int i = 1; i <= n; i++)
            {
                for (int j = 1; j <= i; j++)
                {
                    sum = sum + j;
                }               
            }
            Console.WriteLine("Sum of series: " + sum);

            Console.ReadKey();
        }
    }
}

Output:
The input number here is 5. So, the program will iterate five times. The output is shown below:

Given series is:
(1) + (1+2) + (1+2+3) + (1+2+3+4) + ... + (1+2+3+4+...+n)
----------------------------

Enter value of n:
5

-----Output-----

Sum of series: 35
Press any key to continue . . .


For any query, comment us below.


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