#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)
cout<<a[i][j]<<" ";
else if(i!=n-1)
cout<<endl;
}
}
return 0;
}