>>> getNumbers(10)
[100, 64, 36, 16, 4, 0, 4, 16, 36, 64, 100]
>>> getNumbers(9)
[81, 49, 25, 9, 1, 1, 9, 25, 49, 81]
>>> getNumbers(8)
[64, 36, 16, 4, 0, 4, 16, 36, 64]
>>> getNumbers(0)
[0]

def getNumbers(num):
    x = []
    y = []
    if num % 2 == 0:
        x = [i**2 for i in range(0, num+2, 2)]
        y = [i**2 for i in range(0, num+2, 2)]
        z = sorted(x, reverse=True) + y
        if z.count(0) > 1:
            z.remove(0)
            return z
    elif num % 3 == 0:
        x = [i**2 for i in range(1, num+2, 2)]
        y = [i**2 for i in range(1, num+2, 2)]
        return sorted(x, reverse=True) + y
    elif num == 1:
        x.append(num)
        y.append(num)
        return sorted(x, reverse=True) + y