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A018950
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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 AET = AlPO4-8 [ Al36P36O144 ].
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0
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1, 14, 34, 269, 1202, 7994, 46169, 303556, 1940569, 12977533, 87080228, 597278594, 4140573533, 29113967540, 206824647665
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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: A103533 A269663 A046425 * A159242 A054309 A321135
Adjacent sequences: A018947 A018948 A018949 * A018951 A018952 A018953
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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 03 2019
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STATUS
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approved
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