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Search: id:A000131
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| A000131 |
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Number of asymmetrical dissections of n-gon. (Formerly M1535 N0599)
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+0 2
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| 2, 5, 21, 61, 214, 669, 2240, 7330, 24695, 83257, 284928, 981079, 3410990, 11937328, 42075242, 149171958, 531866972, 1905842605, 6861162880
(list; graph; listen)
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OFFSET
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7,1
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REFERENCES
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S. J. Cyvin, J. Brunvoll, E. Brendsdal, B. N. Cyvin and E. K. Lloyd, Enumeration of polyene hydrocarbons: a complete mathematical solution, J. Chem. Inf. Comput. Sci., 35 (1995) 743-751.
R. K. Guy, ``Dissecting a polygon into triangles,'' Bull. Malayan Math. Soc., Vol. 5, pp. 57-60, 1958.
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CROSSREFS
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Cf. A000068.
Sequence in context: A088498 A039777 A000941 this_sequence A062297 A047104 A115087
Adjacent sequences: A000128 A000129 A000130 this_sequence A000132 A000133 A000134
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KEYWORD
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nonn
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AUTHOR
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njas
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