import java.util.Scanner;

public class Pascal {
    public static void main(String[] args)  {

	Scanner inputk = new Scanner(System.in);
	int n = 0;

	do {
	System.out.println("Entrez un entier >= 1 ");
	n = inputk.nextInt();
	} while (n < 1);

	int[][] tableau;

	for (int i = 0; i < n; i++) {
	    if (i == 0) {
		tableau = new int[n][i+1];
	    } else {
		tableau = int[i+1][i+1];
	    }
	    for (int j = 0; j < (i+1); j++) {
		if (j == 0 || j == i || i == 0) {
		    tableau[i][j] = 1;
		} else  {
	        	   tableau[i][j] = tableau[i-1][j-1] + tableau[i-1][j];
		   System.out.print(tableau[i-1][j-1] +  " " + tableau[i-1][j]);
		}

	    }

	//affichage

	    for (int k = 0; k < (i+1); k++) {
		//	System.out.print(tableau[i][k] + " ");
	    }
	    System.out.println();
	}
	}

    }