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A019099 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite CON = CIT-1 H2[ B2Si54O112 ]. 0
0, 2, 2, 5, 18, 20, 34, 148, 243, 673, 1248, 3321, 6864, 17337, 39632, 99576, 243766, 630498, 1574713, 4196482, 10768129, 28840282, 75641476, 202359008, 535092286, 1428265543, 3778608704, 10050453841 (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..30.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A184313 A158059 A173323 * A154647 A103890 A292699

Adjacent sequences:  A019096 A019097 A019098 * A019100 A019101 A019102

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(30) from Sean A. Irvine, Apr 04 2019

STATUS

approved

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Last modified June 27 19:31 EDT 2022. Contains 354898 sequences. (Running on oeis4.)