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A172477
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The number of ways to dissect an n X n square into polyominoes of size n.
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7
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OFFSET
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1,2
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LINKS
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EXAMPLE
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A 2 X 2 square can be covered by two dominoes by either positioning them vertically or horizontally.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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a(9) from Bob Harris (me13013(AT)gmail.com), Mar 13 2010
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STATUS
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approved
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