References to A160125

Number of squares and rectangles that are created at the n-th stage in the toothpick structure (see A139250).
0, 0, 2, 2, 0, 4, 10, 6, 0, 4, 8, 4, 4, 20, 30, 14, 0, 4, 8, 4, 4, 20, 28, 12, 4, 16, 20, 12, 28

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