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A019219 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite RSN = RUB-17 K4Na12 [ Zn8Si28O72 ] . 18 H2O. 0
0, 2, 0, 4, 0, 18, 18, 100, 188, 568, 1062, 2922, 6026, 16486, 38740, 105022, 257446, 683816, 1707404, 4469032, 11326342, 29594224, 76051966, 199150692, 516590984, 1355423942, 3538533686, 9304610822, 24412881090 (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..31.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A022896 A100225 A007420 * A019139 A285774 A262589

Adjacent sequences:  A019216 A019217 A019218 * A019220 A019221 A019222

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 17 2019

STATUS

approved

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Last modified October 17 13:57 EDT 2019. Contains 328113 sequences. (Running on oeis4.)