Solving palindromic 'Triangle Quest' puzzle in Python

I ended up doing the following (thanks @raina77ow for the idea):

for i in range(1, N+1):
    print((111111111//(10**(9-i)))**2)

for i in range(1,int(input())+1):
   print(int((10**i-1)/9)**2)

1 -> (   10 - 1) / 9 =    1,    1 *    1 = 1
2 -> (  100 - 1) / 9 =   11,   11 *   11 = 121
3 -> ( 1000 - 1) / 9 =  111,  111 *  111 = 12321
4 -> (10000 - 1) / 9 = 1111, 1111 * 1111 = 1234321