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A018971 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, 186, 838, 5219, 33542, 205666, 1279046, 8239377, 54805712, 371262259, 2532135179, 17336840918, 119240566040 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,1
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
LINKS
CROSSREFS
Sequence in context: A018970 A018968 A018969 * A006383 A181148 A179907
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 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)