def pascal_triangle(n, triangle=[[1]]): if n > len(triangle): last_row = triangle[-1] next_row = [a+b for (a, b) in zip([0] + last_row, last_row + [0])] return pascal_triangle(n, triangle + [next_row]) return triangle n = int(input()) print(*pascal_triangle(n), sep="\n") print(*[" ".join(map(str, line)).center(40) for line in pascal_triangle(n)], sep="\n")
9
[1]
[1, 1]
[1, 2, 1]
[1, 3, 3, 1]
[1, 4, 6, 4, 1]
[1, 5, 10, 10, 5, 1]
[1, 6, 15, 20, 15, 6, 1]
[1, 7, 21, 35, 35, 21, 7, 1]
[1, 8, 28, 56, 70, 56, 28, 8, 1]
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
1 6 15 20 15 6 1
1 7 21 35 35 21 7 1
1 8 28 56 70 56 28 8 1