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A019207 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite NES = NU-87 H4[ Al4Si64O136 ] . n H2O. 0
0, 1, 4, 0, 10, 32, 42, 93, 280, 627, 1296, 3227, 8260, 18880, 46260, 121257, 301878, 766769, 2025768, 5294343, 13898086, 37039711, 98698760, 262959913, 703299082, 1882083791, 5032313490, 13461166337, 36020433038 (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: A181626 A279432 A019127 * A298449 A298056 A298706

Adjacent sequences:  A019204 A019205 A019206 * A019208 A019209 A019210

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 15 2019

STATUS

approved

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Last modified May 24 12:01 EDT 2022. Contains 354033 sequences. (Running on oeis4.)