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A019009 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite DFO = DAF-1 [ Mg14Al52P66O264 ] . 7 R . 40 H2O. 0
3, 15, 35, 220, 1061, 5229, 27996, 169400, 1119573, 7630797, 52087939, 353765130, 2394603278, 16234023660, 110662223373 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

REFERENCES

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.

LINKS

Table of n, a(n) for n=2..16.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A015715 A187787 A290717 * A290716 A162441 A001803

Adjacent sequences:  A019006 A019007 A019008 * A019010 A019011 A019012

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 19 2019

STATUS

approved

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Last modified July 8 00:40 EDT 2020. Contains 335502 sequences. (Running on oeis4.)