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A038173 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. 2
1, 1, 4, 20, 131, 1211, 12734, 144158, 1687737, 20196788 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

This extends earlier work of Torsten Sillke (torsten.sillke(AT)lhsystems.com).

LINKS

Table of n, a(n) for n=1..10.

S. T. Coffin, Puzzling World of Polyhedral Dissections, Oxford Univ. Press, 1991.

G. L. Sicherman, Catalogue of Polyrhons

T. Sillke, Notations for polyspheres

Index entries for sequences related to f.c.c. lattice

CROSSREFS

Cf. A000162, A038119 (for simple-cubic lattice), A036168-A036174, A300812 (refined by number of contacts).

Sequence in context: A140585 A132436 A208735 * A172110 A251179 A201355

Adjacent sequences:  A038170 A038171 A038172 * A038174 A038175 A038176

KEYWORD

nonn,hard,more

AUTHOR

Achim Flammenkamp

EXTENSIONS

a(10) from George Sicherman, Jul 24 2012

STATUS

approved

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Last modified January 16 06:59 EST 2019. Contains 319188 sequences. (Running on oeis4.)