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A019140 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite LOV = Lovdarite K4Na12 [ Be8Si28O72 ] . 18 H2O. 0
1, 1, 0, 2, 0, 10, 20, 100, 210, 530, 974, 2548, 5654, 15378, 37662, 100702, 248970, 648082 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,4

REFERENCES

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.

LINKS

Table of n, a(n) for n=3..20.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A070681 A061189 A019220 * A065624 A086890 A167387

Adjacent sequences:  A019137 A019138 A019139 * A019141 A019142 A019143

KEYWORD

nonn

AUTHOR

Georg Thimm (mgeorg(AT)ntu.edu.sg)

STATUS

approved

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Last modified June 19 14:40 EDT 2013. Contains 226414 sequences.