A142869 Number of permutation symbols of type .r(n) for hyperbolic archimedean tessellations of rank 2n.

2, 5, 8, 24, 52, 185, 2412, 2412, 10082

Offset

1,1

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..9.

Crossrefs

Sequence in context: A088144 A100501 A291605 * A086825 A192476 A093365

Adjacent sequences: A142866 A142867 A142868 * A142870 A142871 A142872

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 03 2008

Status

approved