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A019026
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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 LEV = Levyne Ca9 [ Al18Si36O108 ] . 50 H2O.
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0
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3, 7, 43, 198, 926, 5199, 33723, 219611, 1410817, 9288667, 62482152, 424683884, 2910675140, 20114908457, 140063531023
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OFFSET
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2,1
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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: A303160 A258435 A074268 * A181729 A162455 A143684
Adjacent sequences: A019023 A019024 A019025 * A019027 A019028 A019029
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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, Mar 24 2019
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STATUS
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approved
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