A142869 - OEIS

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A142869

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

0

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

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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