49. Write a code to generate a square pattern using numbers.

Write a code to generate a square pattern using numbers.

Input Description:
Given an integer R indicates number of R*2-1 rows.

Where 1<=R<=100.

Output Description:
Print the square pyramid number based on the given integer R.

Sample Input :
5
Sample Output :
1
1 4
1 4 9
1 4 9 16
1 4 9 16 25
1 4 9 16
1 4 9
1 4
1



def pattern(n):
    for i in range(1, n+1):
        l = []
        for j in range(1, i+1):
            l.append(j**2)
        print(*l)
    for i in range(n-1, 0, -1):
        l = []
        for j in range(1, i+1):
            l.append(j**2)
        print(*l)
n = int(input())
pattern(n)