import java.util.Scanner;
public class Main {
public static int triangle(int m, int n) {
if (m == 0 || n == 0 || m == n)
return 1;
return triangle(m - 1, n) + triangle(m - 1, n - 1);
}
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
for (int i = 0; i < n; i++) {
for (int j = 0; j <= n; j++) {
if (j > i) {
continue;
}
System.out.print(triangle(i, j) + " ");
}
System.out.println();
}
}
}