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A121122
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Related to enumeration of free catapolyoctagons (see Cyvin reference for precise definition).
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0
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0, 2, 14, 106, 801, 6341, 51632, 431503, 3678308, 31873041, 279902507, 2485759768, 22286120125, 201441772806, 1833727566167, 16796110395426, 154687931712684, 1431579231342976, 13306513476718812, 124169476411774978, 1162801650307216975, 10924388061524347004
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OFFSET
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1,2
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REFERENCES
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S. J. Cyvin, B. N. Cyvin, and J. Brunvoll. Enumeration of tree-like octagonal systems: catapolyoctagons, ACH Models in Chem. 134 (1997), 55-70, Table IV ^qC_r.
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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