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A018987
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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 ATS = MAPO-36 H[ MgAl11P12O48 ].
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0
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2, 8, 52, 216, 1184, 6715, 38070, 236911, 1513556, 10014921, 68149007, 471361443, 3294708504, 23177870025, 163776870956
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listen;
history;
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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: A249747 A191480 A013555 * A030518 A123188 A027329
Adjacent sequences: A018984 A018985 A018986 * A018988 A018989 A018990
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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 14 2019
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STATUS
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approved
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