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A018954
Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AFG = Afghanite (Na2,Ca,K2)12 [ Al24Si24O96 ].
0
2, 7, 36, 234, 1096, 6501, 38976, 250928, 1658180, 11168713, 76437810, 529586841, 3699117224, 26041623700, 184656522648
OFFSET
2,1
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A370471 A177258 A018997 * A019030 A212411 A119736
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(18) from Sean A. Irvine, Mar 05 2019
STATUS
approved