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A018970 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AFX = SAPO-56 [ Al23Si5P20O96 ]. 0
3, 7, 41, 184, 801, 4749, 30806, 195875, 1262979, 8295251, 55547680, 376100279, 2557852318, 17464618397, 119881121776 (list; graph; refs; listen; history; text; internal format)
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: A058815 A333649 A089656 * A018968 A018969 A018971
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 09 2019
STATUS
approved

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)