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A019065
Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ZON = ZAPO-M1 R8 [ Zn8Al24P32O128 ].
0
2, 9, 27, 132, 891, 5442, 35353, 225590, 1461709, 9642529, 64534830, 436976910, 2988280503, 20606688810, 143165924506
OFFSET
2,1
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A256233 A123904 A327612 * A115186 A243560 A090900
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Apr 01 2019
STATUS
approved