Java Programs - Solved 2007 ICSE Computer Science Paper

import java.io.*;
class Series{
    public static void main(String args[])throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        System.out.print("N = ");
        int n = Integer.parseInt(br.readLine());
        double sum = 0.0;
        for(int i = 2; i <= n + 1; i++){
            int p = 1;
            double s = 0;
            for(int j = 1; j <= i; j++){
                p *= i;
                s += i;
            }
            sum += s / p;
        }
        System.out.println("Sum = " + sum);
    }
}