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I'm confused.
If n=0, the board is 1 square and a triominoe can't fit.
If n=1, the board is 2x2 and a triominoe can't fit.
If n=2, the board is 4x4 and I'm not going to visualize the triominoes on it because 4x4 is 16 spaces but triominoes that take 3 spaces can't be added together to take 16 spaces since it's not a multiple of 3.
And damnit I'm tired cause I didn't read the "defective" part. I'll assume that the question excludes the case where n=0, and take a look tomorrow.
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