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A019048 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite PAR = Partheite Ca8[ Al16Si16O60(OH)8 ] . 16 H2O. 0
2, 6, 25, 94, 444, 2265, 12105, 66539, 383450, 2244131, 13201722, 78113002, 466213178, 2807354677, 17043789666 (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: A030228 A066317 A027104 * A289604 A028302 A064811

Adjacent sequences:  A019045 A019046 A019047 * A019049 A019050 A019051

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 28 2019

STATUS

approved

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Last modified September 23 18:51 EDT 2020. Contains 337315 sequences. (Running on oeis4.)