JAVA 猴子吃桃

package com.java.work;

public class Monkey {

	public static void main(String args[]){
		System.out.println(new Monkey().peach(1));
	}
	public int peach(int day){
		if(day==10){
			return 1;
		}else{
			return (peach(day+1)+1)*2;
		}
	}

}