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A019010
Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite EAB = TMA-E (Aiello and Barrer)(1) (Me4N)2Na7[ Al9Si27O7.
0
2, 4, 24, 156, 1000, 5643, 34982, 233545, 1547406, 10236802, 68328682, 462278064, 3163496690, 21853935721, 152252426550
OFFSET
2,1
LINKS
Georg Thimm, A graph theoretical approach to the analysis, comparison, and enumeration of crystal structures, Dissertation, Goethe University Frankfurt, Germany, 2008.
Georg Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19(5-6) (1997), 422-424.
CROSSREFS
Sequence in context: A330504 A330511 A110491 * A275553 A009672 A018988
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 19 2019
STATUS
approved