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A038181 Number of "connected animals" formed from n 4-gon or 6-gon connected truncated octahedra in the b.c.c. lattice, allowing translation and rotations of the lattice and reflections. 2
1, 2, 6, 35, 251, 2602, 30900, 400818, 5401599, 74617105, 1047497078, 14888851869 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..12.

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

M. Owen, Splatts

T. Sillke, Notations for polyspheres

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

CROSSREFS

Cf. A000162, A038119, A036168-A036174, A038180, A038386.

Sequence in context: A018983 A279736 A081003 * A197973 A107868 A173399

Adjacent sequences:  A038178 A038179 A038180 * A038182 A038183 A038184

KEYWORD

nonn

AUTHOR

Torsten Sillke (TORSTEN.SILLKE(AT)LHSYSTEMS.COM).

EXTENSIONS

More terms from Achim Flammenkamp (achim(AT)HRZ.Uni-Bielefeld.DE)

Definition corrected by Fred Bayer, Aug 11 2010

More terms from Mark Owen, Oct 11 2013

STATUS

approved

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Last modified March 28 11:45 EDT 2017. Contains 284186 sequences.