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A003123 Number of Hamiltonian rooted triangulations with n internal nodes.
(Formerly M2038)
+0
1
2, 12, 92, 800, 7554, 75664, 792448, 8595120, 95895816, 1095130728, 12753454896 (list; graph; listen)
OFFSET

0,1

REFERENCES

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.

CROSSREFS

Sequence in context: A074610 A155639 A103882 this_sequence A052691 A153231 A014297

Adjacent sequences: A003120 A003121 A003122 this_sequence A003124 A003125 A003126

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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