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A367557
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The number of fixed kissing polyominoes with n cells.
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0
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OFFSET
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7,1
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COMMENTS
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Translations are allowed, but not rotations or reflections.
A polyomino is 'kissing' if there exist two cells that touch only at a corner such that no cell exists touching both edgewise simultaneously.
First thirteen terms calculated by filtering the output of Redelmeier's Algorithm.
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LINKS
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EXAMPLE
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The smallest kissing polyomino has area 7; its four rotations determine the first term in the sequence:
OOO
O O
OO
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CROSSREFS
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KEYWORD
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nonn,hard,more
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AUTHOR
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STATUS
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approved
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