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A000936
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Number of free planar polyenoids with n nodes and symmetry point group C_{2v}.
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2
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0, 0, 1, 1, 2, 4, 4, 12, 10, 29, 27, 88, 76, 247, 217, 722, 638, 2134, 1901, 6413
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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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LINKS
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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E. K. Lloyd (E.K.Lloyd(AT)soton.ac.uk)
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EXTENSIONS
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STATUS
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approved
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