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Search: id:A005979
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| A005979 |
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Number of Hamiltonian rooted triangulations with n internal nodes.
(Formerly M4000)
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+0
1
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| 5, 45, 420, 4130, 42480, 453350, 4986860, 56251230, 648055650, 7601584050, 90556803600
(list; graph; listen)
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OFFSET
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0,1
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
P. N. Rathie, The enumeration of Hamiltonian polygons in rooted planar triangulations, Discrete Math., 6 (1973), 163-168.
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CROSSREFS
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Sequence in context: A067403 A022022 A058410 this_sequence A165225 A121272 A054318
Adjacent sequences: A005976 A005977 A005978 this_sequence A005980 A005981 A005982
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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