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A019061 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite THO = Thomsonite Na4Ca8[ Al20Si20O80 ] . 24 H2O. 0
4, 2, 14, 160, 900, 4886, 30682, 192510, 1224950, 7984182, 52634438, 351382520, 2369835680, 16119973510, 110532124292 (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
Cf. A019012. [From R. J. Mathar, Oct 26 2008]
Sequence in context: A224893 A087957 A360084 * A019012 A154333 A185130
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 31 2019
STATUS
approved

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Last modified April 23 13:11 EDT 2024. Contains 371913 sequences. (Running on oeis4.)