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A019112 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite DDR = Deca-dodecasil 3R [ Si120O240 ]q R. 0
0, 2, 2, 1, 12, 21, 48, 137, 250, 605, 1554, 3342, 8332, 21594, 51502, 131328, 341762 (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..19.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A132471 A130528 A132986 * A048660 A019227 A163893

Adjacent sequences:  A019109 A019110 A019111 * A019113 A019114 A019115

KEYWORD

nonn

AUTHOR

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

STATUS

approved

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Last modified May 24 04:53 EDT 2013. Contains 225615 sequences.