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Search: id:A026106
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| A026106 |
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Number of polyhexes of class PF2. |
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+0
9
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| 2, 5, 16, 55, 208, 817, 3336, 13935, 59406, 257079, 1126948, 4992421
(list; graph; listen)
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OFFSET
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5,1
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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: A052836 A108526 A051960 this_sequence A066642 A019988 A137732
Adjacent sequences: A026103 A026104 A026105 this_sequence A026107 A026108 A026109
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KEYWORD
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nonn
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AUTHOR
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njas
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