[alogo] Box Fractal

A fractal also called the anticross-stitch curve. Below are the first 5 polygons p(i) whose limit is the fractal curve. p(i) has s(i) = 5^i squares. For example the last one with i=5 has s(5)=3125 squares.

[0_0] [0_1] [0_2] [0_3]
[1_0] [1_1] [1_2] [1_3]
[2_0] [2_1] [2_2] [2_3]
[3_0] [3_1] [3_2] [3_3]
[4_0] [4_1] [4_2] [4_3]
[5_0] [5_1] [5_2] [5_3]


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