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A018988
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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 ATT = AlPO4-12-TAMU [ Al12P12O48 ] . 4 R.
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0
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2, 4, 24, 174, 1056, 5888, 36040, 236972, 1551794, 10248112, 68980166, 470576013, 3239450594, 22488650598, 157362252838
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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: A019010 A275553 A009672 * A012587 A012292 A211934
Adjacent sequences: A018985 A018986 A018987 * A018989 A018990 A018991
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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 15 2019
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STATUS
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approved
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