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A019099
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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 CON = CIT-1 H2[ B2Si54O112 ].
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0
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0, 2, 2, 5, 18, 20, 34, 148, 243, 673, 1248, 3321, 6864, 17337, 39632, 99576, 243766, 630498, 1574713, 4196482, 10768129, 28840282, 75641476, 202359008, 535092286, 1428265543, 3778608704, 10050453841
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OFFSET
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3,2
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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=3..30.
G. Thimm, Cycle sequences of crystal structures
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CROSSREFS
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Sequence in context: A184313 A158059 A173323 * A154647 A103890 A292699
Adjacent sequences: A019096 A019097 A019098 * A019100 A019101 A019102
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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(30) from Sean A. Irvine, Apr 04 2019
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STATUS
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approved
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