//----------------------------------------------------------
// File Name:	SquareRecursion.java
// Description:	Calculates squared numbers recursively.
// Programmer:	Alwin Tareen
// Last Edited:	Mar 30, 2015
// OS Platform:	Linux Mint Maya 13, Java SE Development Kit 7
//
// Compilation:	javac SquareRecursion.java
// Execution:	java SquareRecursion
//----------------------------------------------------------

public class SquareRecursion
{
 public static int square(int n)
 {
		if(n == 1)
			return 1;
		else
	 return square(n-1) + 2*n - 1;
 }
 
 public static void main(String[] args)
 {
 for (int i = 1; i <=5; i++)
 {
 System.out.println(square(i));
 }
 }
}