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A221842
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Number of ways to dissect a square into n squares.
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1
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1, 0, 0, 1, 0, 4, 8, 36, 105, 384, 1340, 4975, 17676, 69052, 270716, 1093218, 4455047, 18246018
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OFFSET
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1,6
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LINKS
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EXAMPLE
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For n = 6 there are a(6) = 4 ways:
+-+-+-+ +-+-+-+ +-+---+ +---+-+
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+-+-+-+ +-+-+-+ +-+ | | +-+
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+-+ | | +-+ +-+-+-+ +-+-+-+
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+-+---+ +---+-+ +-+-+-+ +-+-+-+
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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