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Search: id:A000941
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| A000941 |
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Number of free planar polyenoids with n nodes. |
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+0
2
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| 0, 0, 0, 0, 2, 5, 21, 58, 194, 570, 1790, 5434, 16924, 52362, 163784
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OFFSET
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1,5
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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.
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CROSSREFS
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Adjacent sequences: A000938 A000939 A000940 this_sequence A000942 A000943 A000944
Sequence in context: A003163 A088498 A039777 this_sequence A000131 A152801 A062297
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KEYWORD
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nonn
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AUTHOR
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E. K. Lloyd (E.K.Lloyd(AT)soton.ac.uk)
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