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A019139 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
0, 2, 0, 4, 0, 18, 18, 100, 190, 566, 1044, 2906, 6052, 16554, 38714, 105048, 256738, 681482, 1701000, 4456682, 11294306, 29512554, 75812418, 198490158, 514680240, 1350074996, 3523718014, 9264323404, 24301933916 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

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..31.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A100225 A007420 A019219 * A285774 A262589 A019215

Adjacent sequences:  A019136 A019137 A019138 * A019140 A019141 A019142

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 08 2019

STATUS

approved

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Last modified October 23 16:46 EDT 2019. Contains 328373 sequences. (Running on oeis4.)