#include<bits/stdc++.h> using namespace std; int a[21][21]; int main(){ int n; cin>>n; a[1][1]=1; for(int i=1;i<=n+1;i++){ for(int k=2;k<=n;k++){ a[i][k]=a[i-1][k-1]+a[i-1][k]; } } for(int i=2;i<=n+1;i++){ for(int k=2;k<=n+1;k++){ if(a[i][k]0){ continue; } cout<<a[i][k]<<" "; if(in+1 and k==n){ cout<<"1"; } } cout<<endl; } return 0;