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A019160
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[AlnSi96-nO192] starting with a T3 atom.
0
0, 0, 4, 6, 8, 24, 55, 122, 284, 640, 1499, 3523, 8555, 21207, 52142, 131769, 340170, 873080, 2262490, 5947043, 15649920, 41289048, 109539183, 291179345, 774884877, 2066087278, 5516257587, 14741851755, 39438287815
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A272862 A361662 A106366 * A126233 A059889 A058011
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(20)-a(31) from Sean A. Irvine, Apr 10 2019
STATUS
approved