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A030520
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Number of polyhexes of class PF2.
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9
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OFFSET
| 2,2
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COMMENTS
| See reference for precise definition.
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REFERENCES
| 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
| Cf. A026106, A026118, A026298, A030519, A030520, A030525, A030529, A030532, A030534.
Sequence in context: A033131 A022021 A165203 * A183933 A056884 A006749
Adjacent sequences: A030517 A030518 A030519 * A030521 A030522 A030523
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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