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A369365
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Number of free rooted (or pointed) polyiamonds with n cells.
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2
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1, 1, 2, 6, 16, 50, 150, 458, 1388, 4233, 12875, 39227, 119456, 363868, 1107912, 3372793, 10264156
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OFFSET
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1,3
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LINKS
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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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