n = int(input())
triangle = [([1] + [None] * (i - 1) + [1]) for i in range(n)]
if n > 0:
    triangle[0] = [1]
for i in range(2, n):
    for j in range(1, i):
        triangle[i][j] = triangle[i - 1][j] + triangle[i - 1][j - 1]
for i in range(n):
    print(' '.join(map(str, triangle[i])))