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Search: id:A026118
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| A026118 |
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Number of polyhexes of class PF2. |
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+0
9
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| 5, 20, 100, 431, 1937, 8548, 38199, 171001, 770934, 3492251, 15905897
(list; graph; listen)
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OFFSET
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6,1
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COMMENT
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See reference for precise definition.
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REFERENCES
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S. J. Cyvin et al., Enumeration and classification of benzenoid systems 32. Normal perifusenes with two internal vertices, J. Chem. Inform. Comput. Sci., 32 (1992), 532-540.
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CROSSREFS
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Cf. A026106, A026118, A026298, A030519, A030520, A030525, A030529, A030532, A030534.
Sequence in context: A017966 A002745 A020046 this_sequence A108509 A110595 A092640
Adjacent sequences: A026115 A026116 A026117 this_sequence A026119 A026120 A026121
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KEYWORD
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nonn
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AUTHOR
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njas
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