A142867 - OEIS

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A142867

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

1, 6, 2, 14, 6, 32, 20, 100, 76, 324, 312, 1285, 1384, 5027, 6512, 24883, 32400, 128354 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`See Conway et al. for precise definition.`
	REFERENCES	`J. H. Conway et al., The Symmetries of Things, Peters, 2008, p. 261.`
	CROSSREFS	`One bisection appears to coincide with A000898. For the other see A142875.` `Sequence in context: A106034 A194036 A194100 * A080977 A095951 A116420` `Adjacent sequences: A142864 A142865 A142866 * A142868 A142869 A142870`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 03 2008`

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Last modified February 16 11:47 EST 2012. Contains 205907 sequences.