A142866 - OEIS

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A142866

Number of permutation symbols of type a(n) for hyperbolic archimedean tesselations of rank n.

1, 1, 1, 3, 4, 12, 16, 48, 64, 210, 276, 947, 1252, 4510, 6028, 22406, 30364, 116506 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,4`
	COMMENTS	`See Conway et al. for precise definition.`
	REFERENCES	`J. H. Conway et al., The Symmetries of Things, Peters, 2008, p. 261.`
	CROSSREFS	`Bisections: A142872, A142873.` `Sequence in context: A116653 A122757 A084221 * A026847 A026880 A026891` `Adjacent sequences: A142863 A142864 A142865 * A142867 A142868 A142869`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 03 2008`

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Last modified February 14 15:32 EST 2012. Contains 205635 sequences.