import java.util.*;

public class Pascal{
    public static void main(String[] args){
            Scanner console = new Scanner(System.in);
            int n = console.nextInt();
            for (int i = 1; i<=n; i++){
                    for (int x = 1; x <= 2*(n)-2*i; x++) {
                        System.out.print(" ");
                    }
                    for (int r=0; r<=i-1; r++) {
                           long c  = fact(i-1)/(fact(i-1-r)*fact(r));
                           System.out.printf("%-4d",c);
                    }
                System.out.println();
            }
	}
    public static long fact(int n){
		long f=1;
		for(int i=n;i>=1;i--) {
			f*=i;
		}
		return f;
   }
}