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A142870
Number of permutation symbols of type *a(n) for hyperbolic archimedean tessellations of rank n.
2
1, 1, 1, 3, 4, 11, 16, 45, 64, 193, 276, 873, 1252, 4167, 6028, 20793, 30364, 108699
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, A142876.
Sequence in context: A027306 A239024 A026676 * A324552 A143680 A058569
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 03 2008
STATUS
approved