id:A038174 - OEIS Search Results

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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.

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1, 1, 4, 25, 210, 2209, 24651, 284768, 3360995, 40328652 (list; graph; listen)

	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: A005411 A105628 A064299 this_sequence A049118 A047733 A007830` `Adjacent sequences: A038171 A038172 A038173 this_sequence 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 November 25 20:09 EST 2009. Contains 167514 sequences.

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