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A019214 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite RON = Roggianite Ca16[ Be8Al16Si32O104(OH)16 ] . 19 H2O. 0
0, 2, 0, 2, 0, 20, 0, 98, 16, 449, 156, 2150, 1044, 10733, 7456, 55044, 51376, 285758, 326600, 1533438, 2069880, 8522738, 13055872, 48293792, 81208800, 278713817, 504476260, 1639703044, 3145675108, 9791882149, 19664927248, 59147958828 (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..34.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A136668 A057498 A137949 * A137668 A056615 A060989

Adjacent sequences:  A019211 A019212 A019213 * A019215 A019216 A019217

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

a(21)-a(34) from Sean A. Irvine, Apr 16 2019

STATUS

approved

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Last modified June 28 07:25 EDT 2022. Contains 354903 sequences. (Running on oeis4.)