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A005979 Number of Hamiltonian rooted triangulations with n internal nodes.
(Formerly M4000)
+0
1
5, 45, 420, 4130, 42480, 453350, 4986860, 56251230, 648055650, 7601584050, 90556803600 (list; graph; listen)
OFFSET

0,1

REFERENCES

P. N. Rathie, The enumeration of Hamiltonian polygons in rooted planar triangulations, Discrete Math., 6 (1973), 163-168.

CROSSREFS

Adjacent sequences: A005976 A005977 A005978 this_sequence A005980 A005981 A005982

Sequence in context: A067403 A022022 A058410 this_sequence A121272 A054318 A093140

KEYWORD

nonn

AUTHOR

njas

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Last modified October 9 14:06 EDT 2008. Contains 144831 sequences.


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