javaprograms

import java.util.*;

class NumberExample 
{
    public static void main(String[] args) 
    {
        Scanner input=new Scanner(System.in);
        System.out.print("Enter value of n: ");
        int n=input.nextInt();
        int sum=0;
        int m=0;
        for(int i=1; i<=n; i++){
        for(int j=1; j<=i; j++){
        System.out.print(j);
        sum+=j;
        }
        System.out.print(" ");
        }
        System.out.println();
        System.out.println("Sum of series: "+sum);
    }
}