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A364504
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Number of tilings of an n X n square using dominoes and trominoes (of any shape).
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3
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1, 0, 2, 30, 1294, 215905, 118624712, 239677657279, 1718701020524054, 43796355965749584514, 3986225747511059714872292, 1291654822694833043891279461342, 1491828507298886778780830278188938433
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OFFSET
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0,3
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LINKS
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FORMULA
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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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STATUS
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approved
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