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A019022
Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite JBW = NaJ (Barrer and White) Na3 [ Al3Si3O12 ]. 1.5 H2O.
0
0, 8, 36, 176, 1188, 6918, 45810, 298152, 2005828, 13704188, 95011766, 667271650, 4732870716, 33875171608, 244319747420
OFFSET
2,2
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A199310 A316107 A054627 * A079819 A238815 A341543
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 23 2019
STATUS
approved