#include <iostream>

using namespace std;

int main()

{

	int N;

	while (cin>>N&&N>=1&&N<=100)

	{

		int a[N][N],i,j;

		a[0][0]=1;

		for (i=0; i<N; ++i)

		{

			a[i+1][0]=a[i][0]+i+1;

		}

		for (j=1; j<N; ++j)

		{

			for (i=0; i<N-j; ++i)

			{

				a[i][j]=a[i+1][j-1]+1;

			}

		}

		for (i=0; i<N; ++i)

		{

			for (j=0; j<N-i; ++j)

			{

				if (j<N-i-1)

					cout<<a[i][j]<<" ";

				else

					cout<<a[i][j];

			}

			cout<<endl;

		}

	}

	return 0;

}