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A019120 Cycle class sequence c(n) (number of true cycles of length n in which a certain node is included) for zeolite EUO = EU-1 Nan [ AlnSi112-n O224 ]. 0
0, 0, 3, 4, 6, 25, 50, 85, 253, 715, 1470, 3595, 9883, 23931, 58627, 154107, 394496, 1002428, 2607705, 6801447, 17692080, 46356574, 122062695, 321690177, 849981106, 2253397779, 5984644093, 15920044779, 42441432482 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,3

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: A081888 A306493 A019209 * A263940 A256326 A239244

Adjacent sequences:  A019117 A019118 A019119 * A019121 A019122 A019123

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 06 2019

STATUS

approved

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Last modified September 17 17:56 EDT 2019. Contains 327136 sequences. (Running on oeis4.)