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A003455 Number of dissections of a polygon.
(Formerly M0909)
+0
1
1, 2, 3, 11, 29, 122, 479, 2113, 9369, 43392, 203595, 975563, 4736005, 23296394, 115811855, 581324861, 2942579633, 15008044522, 77064865555, 398150807179 (list; graph; listen)
OFFSET

3,2

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

R. C. Read, On general dissections of a polygon, Aequat. Math. 18 (1978), 370-388.

P. Lisonek, Closed forms for the number of polygon dissections. Journal of Symbolic Computation 20 (1995), 595-601.

CROSSREFS

Sequence in context: A002981 A075641 A104081 this_sequence A103275 A038987 A142957

Adjacent sequences: A003452 A003453 A003454 this_sequence A003456 A003457 A003458

KEYWORD

nonn

AUTHOR

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

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.


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