#include <bits/stdc++.h> using namespace std; int n; long long a[31][31]; int main(){ cin>>n; for (int i=0;i<=30;i++){ for (int j=0;j<=30;j++){ a[i][j]=1; } } for (int i=2;i<=30;i++){ for (int j=1;j<=i;j++){ a[i][j]=a[i-1][j-1]+a[i-1][j]; } } for (int i=1;i<=n;i++){ for (int j=1;j<=i;j++){ cout<<a[i][j]<<" "; } cout<<endl; } return 0; }