#include <stdio.h>

int main(){

	int n;
	while(~scanf("%d",&n)){
	
		if(n==0) break;
		
		int a[n][n];
		for(int i=0;i<n;i++){
		
			for(int j=0;j<=i;j++){
			
				if(i==j||j==0){
				
					a[i][j]=1;
				}else{
				
					a[i][j]=a[i-1][j-1]+a[i-1][j];
				}
				
				printf("%d ",a[i][j]);
				if(i==j) printf("\n");
			}
		}
		
	}
	return 0;
}