#include<iostream>
#include<algorithm>
#include<cstring>
#include<math.h>
using namespace std;
int main()
{
	int a[105][105],i,j,k,m,n;
	cin>>n;
	a[1][1]=1;
	for(i=2,j=1;i<=100;i++,j++)
	{
		a[i][1]=a[i-1][1]+j;
	}
	for(i=1,k=2;i<=100;i++,k++)
	{
		m=k;
		for(j=2;j<100;j++)
		{
			a[i][j]=a[i][j-1]+m;
			m++;
		}
	}
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n+1-i;j++)
		{
			cout<<a[i][j];
			if(j!=n+1-i)
				cout<<" ";
			else
				cout<<endl;
		}
	}

}