hdu 2032

#include<iostream>
using namespace std;
int main(){
	int cen,a[30][30];
	while(cin>>cen){
		memset(a,0,sizeof(a));
		for(int i=0;i<cen;i++){
			a[i][0]=1;
			cout<<"1";
			for(int j=1;j<=i;j++){
				a[i][j]=(a[i-1][j]+a[i-1][j-1]);
				cout<<" "<<a[i][j];
			}cout<<endl;
		}cout<<endl;
	}
return 0;
}