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A019029 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite LIO = Liottite (Ca,Na2,K2)9 [ Al18Si18O72 ]. 0
2, 6, 34, 221, 1100, 6711, 40137, 256224, 1690933, 11342919, 77426134, 536305675, 3750315161, 26444298871, 187832060390 (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

Table of n, a(n) for n=2..16.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A018953 A009199 A052824 * A019032 A108424 A328884

Adjacent sequences:  A019026 A019027 A019028 * A019030 A019031 A019032

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 25 2019

STATUS

approved

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Last modified July 4 22:49 EDT 2022. Contains 355086 sequences. (Running on oeis4.)