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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; text; internal format)
OFFSET

1,3

LINKS

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

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: A203219 A064299 A261898 * A049118 A305323 A215094

Adjacent sequences:  A038171 A038172 A038173 * A038175 A038176 A038177

KEYWORD

nonn

AUTHOR

Achim Flammenkamp, Torsten Sillke (TORSTEN.SILLKE(AT)LHSYSTEMS.COM).

EXTENSIONS

a(9) and a(10) from Achim Flammenkamp Feb 15 1999.

STATUS

approved

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Last modified January 18 23:05 EST 2019. Contains 319282 sequences. (Running on oeis4.)