#include<bits/stdc++.h> using namespace std; int a[31][31]; int main(){ a[1][1] = 1; a[2][1] = 1, a[2][2] = 1; int n; cin >> n; for(int i = 3; i <= n; i++){ for(int j = 1; j <= i; j++){ a[i][j] = a[i-1][j] + a[i-1][j-1]; } } for(int i = 1 ;i <= n; i++){ for(int j = 1; j <= i; j++){ cout << a[i][j] << " "; } cout <<endl; } return 0; }