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A003454
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Number of dissections of a polygon.
(Formerly M1676)
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1
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1, 2, 6, 25, 107, 509, 2468, 12258, 61797, 315830, 1630770, 8498303, 44629855, 235974495, 1255105304, 6710883952, 36050676617, 194478962422, 1053120661726
(list; graph; refs; listen; history; internal format)
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OFFSET
| 3,2
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REFERENCES
| P. Lisonek, Closed forms for the number of polygon dissections. Journal of Symbolic Computation 20 (1995), 595-601.
R. C. Read, On general dissections of a polygon, Aequat. Math. 18 (1978), 370-388.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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CROSSREFS
| Sequence in context: A028302 A064811 A074418 * A199241 A014277 A006965
Adjacent sequences: A003451 A003452 A003453 * A003455 A003456 A003457
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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