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A019027 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, 5, 30, 178, 1012, 6383, 40012, 260515, 1732626, 11625678, 79197940, 547338343, 3822189742, 26934038691, 191299411358 (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: A163800 A180826 A209325 * A019031 A140786 A129951

Adjacent sequences:  A019024 A019025 A019026 * A019028 A019029 A019030

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 24 2019

STATUS

approved

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Last modified July 1 22:23 EDT 2022. Contains 354984 sequences. (Running on oeis4.)