package Maths;

public class LeonardoNumber {
 public static int leonardoNumber(int n) {
 if (n < 0) {
 return 0;
 }
 if (n == 0 || n == 1) {
 return 1;
 }
 return (leonardoNumber(n - 1) + leonardoNumber(n - 2) + 1);
 }

 public static void main(String args[]) {
 for (int i = 0; i < 20; i++) {
 System.out.print(leonardoNumber(i) + " ");
 }

 }
}