#include<iostream>
using namespace std;
int main(){
	int n;
	cin>>n;
	int a[n][n];
	for(int i=0;i<n;++i){
	for(int j=0;j<=n-i;++j){
	if(i==0&&j==0)
	a[i][j]=1;
	else if(i!=0&&j==0){
		a[i][j]=a[i-1][j]+i;
	}
	else{
		a[i][j]=a[i][j-1]+j+i+1;
	}
	}
	}
	for(int i=0;i<n;++i){
		for(int j=0;j<n-i;++j){
			if(j!=n-i-1)
			cout<<a[i][j]<<" ";
			else{
			if(i!=n-1)
			cout<<a[i][j]<<endl;
			else
			cout<<a[i][j];
			}
		}
	}
	return 0;
}