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A019090 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite CAS = Cesium Aluminosilicate (Araki) Cs4[ Al4Si20O48 ]. 0
0, 0, 4, 6, 6, 20, 46, 94, 246, 596, 1372, 3452, 9378, 23093, 57776, 151623, 399786, 1026531, 2693060, 7118966, 18796956, 49678759, 132259144, 352238173, 940738040, 2519194109, 6761985406 (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..29.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A272771 A077038 A053320 * A145692 A295512 A064214

Adjacent sequences:  A019087 A019088 A019089 * A019091 A019092 A019093

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(29) from Sean A. Irvine, Apr 03 2019

STATUS

approved

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Last modified January 23 01:30 EST 2020. Contains 331166 sequences. (Running on oeis4.)