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A038174 Number of "polyspheres", or "connected animals" formed from n rhombic dodecahedra (or edge-connected cubes) in the f.c.c. lattice, allowing translation and rotations of the lattice, reflections and 180 deg. rotations about a 3-fold symmetry axis of the lattice. 0
1, 1, 4, 25, 210, 2209, 24651, 284768, 3360995, 40328652 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

LINKS

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

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

T. Sillke, Notations for polyspheres

CROSSREFS

Cf. A000162, A038119, A036168-A036173.

Sequence in context: A105628 A203219 A064299 * A049118 A047733 A198198

Adjacent sequences:  A038171 A038172 A038173 * A038175 A038176 A038177

KEYWORD

nonn

AUTHOR

Achim Flammenkamp (achim(AT)uni-bielefeld.de), Torsten Sillke (TORSTEN.SILLKE(AT)LHSYSTEMS.COM).

EXTENSIONS

a(9) and a(10) from Achim Flammenkamp (achim(AT)uni-bielefeld.de) Feb 15 1999.

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.