#include <stdio.h>
#define N 20

void Yanghui_Triangle(int n)
{
	int a[N][N],i,j;
	for(i = 0; i < n; i++)
	{
		a[i][0] = 1;
		a[i][i] = 1;
	}
	for(i = 2; i < n; i++)
		for(j = 1; j < i; j++)
			a[i][j] = a[i-1][j-1]+a[i-1][j];
	for(i = 0; i < n; i++)
	{
		for(j = 0; j <= i; j++)
			printf("%d ",a[i][j]);	
		printf("\n");
	}		
}

int main()
{
	int n;
	scanf("%d",&n);
	while(n != 0)
	{
		Yanghui_Triangle(n);
		scanf("%d",&n);
	}
	return 0;
}