#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin>>n;
	int a[100][100];
	a[0][0]=1;
	for(int i=1;i<n;i++){
	a[0][i]=a[0][i-1]+i;//第一行，顺时针翻转九十度 
	a[i][0]=a[i-1][0]+i+1;//列 
	}
	for(int i=1;i<n;i++){
		for(int j=1;j<n;j++){
			a[i][j]=a[i][j-1]+j+i;
		}
	}
	for(int i=n;i>=0;i--){
		for(int j=0;j<n-i;j++){
			cout<<a[j][i]<<" ";
		}
		cout<<endl;
	}
}

#include <iostream>

using namespace std;

int main() { int n,i,j; cin >>n; for(i=1;i<=n;i++){ for(j=1;j<=i;j++){ cout <<0.5ii-ij+0.5jj+0.5i+0.5j+n(n-2i+2j-1)/2.0<<" "; } cout <<endl; } }

#include <iostream>

using namespace std;
int a[11][11];
int main()
{
    int n;
    cin>>n;
    a[n][1]=1;
    int t=0;
    for(int i=n;i>=1;i--)
    {
        a[i][1]=t+1;

        int p=i;
        for(int j=1;j<=n-i;j++)
        {

            a[p+1][j+1]=a[p][j]+1;
            p++;
        }
         t=a[n][n-i+1];
    }
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            if(a[i][j]==0)
            {
                break;
            }
            cout<<a[i][j]<<" ";
        }
        cout<<endl;
    }
    return 0;
}

n=int(input())
a=int((n*(n-1))/2+1)
print(a)
for i in range(2,n+1,1):
    a=a-(n-i+1)
    print(a,end=" ")
    b=a
    for j in range(2,i+1,1):
        b=b+(n-i+j)
        print(b,end=" ")
    print(" ")