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A038173
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Number of "connected animals" formed from n rhombic dodecahedra (or edge-connected cubes) in the face-centered cubic lattice, allowing translation and rotations of the lattice and reflections.
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7
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1, 1, 4, 20, 131, 1211, 12734, 144158, 1687737, 20196788, 245366931
(list;
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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COMMENTS
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This extends earlier work of Torsten Sillke (torsten.sillke(AT)lhsystems.com).
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LINKS
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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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EXTENSIONS
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STATUS
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approved
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