Java Series Iterations

/*
series.java
    This program prints a series of numbers for each iteration of 
    t so that a, b and n create the series.
by: Scott Gordon
*/
import java.util.*;
import java.io.*;

class Solution{
    public static void main(String []argh){
        Scanner in = new Scanner(System.in);
        int t=in.nextInt();
        for(int i=0; i<t; i++){
            int a = in.nextInt();
            int b = in.nextInt();
            int n = in.nextInt();
            int x = a;
            for(int j=0; j<n; j++){
                x += b * Math.pow(2, j);
                System.out.print(x + " ");
            }
            System.out.println();
        }
        in.close();
    }

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