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A019165 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[ AlnSi96-nO192 ]. 0
0, 0, 6, 3, 4, 37, 53, 89, 304, 631, 1301, 3416, 8214, 19870, 50583, 127920, 329503, 856622, 2228703, 5872003, 15520033, 41008858, 108905708, 289710574, 770589748, 2053491724, 5479166031, 14627452543, 39094798423 (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: A290795 A197577 A019150 * A195490 A195471 A305187

Adjacent sequences:  A019162 A019163 A019164 * A019166 A019167 A019168

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(21)-a(31) from Sean A. Irvine, Apr 11 2019

STATUS

approved

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Last modified November 21 22:35 EST 2019. Contains 329383 sequences. (Running on oeis4.)