A142866 Number of permutation symbols of type a(n) for hyperbolic archimedean tessellations of rank n.

1, 1, 1, 3, 4, 12, 16, 48, 64, 210, 276, 947, 1252, 4510, 6028, 22406, 30364, 116506

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.

Links

Table of n, a(n) for n=1..18.

Crossrefs

Bisections: A142872, A142873.

Sequence in context: A360755 A348949 A084221 * A274224 A280525 A278600

Adjacent sequences: A142863 A142864 A142865 * A142867 A142868 A142869

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 03 2008

Status

approved