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A019004 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
2, 7, 46, 214, 1065, 5699, 32616, 197650, 1263478, 8429302, 57384582, 392789991, 2684522934, 18317290667, 125120073002 (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: A162050 A162051 A089006 * A027328 A111842 A247883

Adjacent sequences:  A019001 A019002 A019003 * A019005 A019006 A019007

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 18 2019

STATUS

approved

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Last modified February 22 03:55 EST 2020. Contains 332115 sequences. (Running on oeis4.)