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A019063
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Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite VFI = VPI-5 [ Al18P18O72 ]. 42 H2O.
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0
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1, 14, 39, 294, 1379, 8928, 51388, 324812, 2004773, 12834757, 82619057, 542545680, 3601617244, 24250827504, 165252463271
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OFFSET
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2,2
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REFERENCES
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G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
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LINKS
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Table of n, a(n) for n=2..16.
G. Thimm, Cycle sequences of crystal structures
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CROSSREFS
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Sequence in context: A051866 A162266 A181149 * A101740 A069126 A124707
Adjacent sequences: A019060 A019061 A019062 * A019064 A019065 A019066
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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(11)-a(16) from Sean A. Irvine, Apr 02 2019
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STATUS
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approved
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