A142867 Number of permutation symbols of type r(n) for hyperbolic archimedean tessellations of rank n.

1, 6, 2, 14, 6, 32, 20, 100, 76, 324, 312, 1285, 1384, 5027, 6512, 24883, 32400, 128354

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

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

Crossrefs

One bisection appears to coincide with A000898. For the other see A142875.

Sequence in context: A194036 A194100 A332351 * A080977 A095951 A116420

Adjacent sequences: A142864 A142865 A142866 * A142868 A142869 A142870

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 03 2008

Status

approved