#include<cstdio>
#include<iostream>
#include<cstring>
#include<cmath>
#include<cstdlib>
#include<algorithm>
#include<vector>
#include<map>
#include<set>
using namespace std;
int main ()
{
	int i,j,a=1,b,c,d=0,n,e=2;
	scanf("%d",&n);
	for(i=1;i<=n;++i)
	{
		a=a+d;
		d++;
		c=e;
		e++;
		for(j=i;j<=n;++j)
		{
			if(i==j)
			{
				b=a;
				printf("%d",a);
			}
			else
			{
				b=b+c;
				c++;
				printf(" %d",b);
			}
		}
		printf("\n");
	}
}