#include <bits/stdc++.h>
using namespace std;
int n;
int f[25][25];
int main()
{
    cin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= i; j++)
            if (j == 1 || j == i)
                f[i][j] = 1;
            else
                f[i][j] = f[i - 1][j - 1] + f[i - 1][j];
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= i; j++)
            cout << f[i][j] << " ";
        cout << "\n";
    }
    return 0;
}