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A142867 Number of permutation symbols of type r(n) for hyperbolic archimedean tessellations of rank n. 1
1, 6, 2, 14, 6, 32, 20, 100, 76, 324, 312, 1285, 1384, 5027, 6512, 24883, 32400, 128354 (list; graph; refs; listen; history; text; 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.
LINKS
CROSSREFS
One bisection appears to coincide with A000898. For the other see A142875.
Sequence in context: A194036 A194100 A332351 * A080977 A095951 A116420
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 03 2008
STATUS
approved

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Last modified March 29 05:48 EDT 2024. Contains 371265 sequences. (Running on oeis4.)