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A019130 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite FER = Ferrierite Na2Mg2[ Al6Si30O72 ] . 18 H2O. 0
0, 0, 4, 3, 2, 26, 38, 62, 242, 558, 1202, 3340, 8696, 21250, 54336, 141989, 363816, 934293, 2445407, 6400169, 16733638, 44132199, 116636298, 308224217, 817910147, 2174929052, 5787607643, 15438812813, 41263843971 (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: A293211 A330778 A061312 * A245348 A174551 A349811

Adjacent sequences:  A019127 A019128 A019129 * A019131 A019132 A019133

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(21)-a(31) from Sean A. Irvine, Apr 08 2019

STATUS

approved

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Last modified July 3 06:54 EDT 2022. Contains 355031 sequences. (Running on oeis4.)