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