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A019158
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Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[ AlnSi96-nO192 ].
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2
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0, 0, 3, 7, 3, 18, 59, 101, 262, 700, 1562, 3662, 9304, 22659, 54871, 139034, 355891, 905047, 2336089, 6114813, 16035466, 42243825, 112004236, 297720737, 792722328, 2115471177, 5653468757, 15122594184, 40493000308
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OFFSET
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3,3
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LINKS
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Table of n, a(n) for n=3..31.
International Zeolite Association, Database of Zeolite Structures, Structure Commissionof the International Zeolite Association, revised 2017.
Georg Thimm, Cycle sequences of crystal structures.
Georg Thimm, Personal website (archived).
Georg Thimm, A graph theoretical approach to the analysis, comparison, and enumeration of crystal structures, Dissertation, Goethe University Frankfurt, Germany, 2008.
Georg Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19(5-6) (1997), 422-424.
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CROSSREFS
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Sequence in context: A186107 A282160 A338266 * A086153 A049479 A125314
Adjacent sequences: A019155 A019156 A019157 * A019159 A019160 A019161
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KEYWORD
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nonn,more
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AUTHOR
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Georg Thimm (mgeorg(AT)ntu.edu.sg)
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EXTENSIONS
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a(20)-a(31) from Sean A. Irvine, Apr 10 2019
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STATUS
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approved
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