# Pascal's Triangle
#            1
#          1   1
#        1   2   1
#      1   3   3    1
#    1  4    6   4   1
#  1  5   10   10  5   1

rows = int(input("Enter number of rows: "))
coef = 1

for i in range(1, rows + 1):
    for space in range(1, rows - i + 1):
        print(" ", end="")
    for j in range(0, i):
        if j == 0 or i == 0:
            coef = 1
        else:
            coef = coef * (i - j) // j
        print(coef, end=" ")
    print()
