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A019215 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, 4, 0, 40, 0, 150, 4, 610, 96, 2798, 864, 13218, 7192, 64934, 52332, 328222, 339808, 1727350, 2177700, 9454774, 13785720, 53012810, 85897980, 303909174, 534416936, 1779749852, 3336552436, 10595394664, 20885768548, 63879012118 (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: A019139 A285774 A262589 * A326799 A112081 A265158

Adjacent sequences:  A019212 A019213 A019214 * A019216 A019217 A019218

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 September 15 14:53 EDT 2019. Contains 327078 sequences. (Running on oeis4.)