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A019064 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite VFI = VPI-5 [ Al18P18O72 ] . 42 H2O. 0
2, 16, 34, 267, 1218, 8261, 48408, 309593, 1917294, 12260411, 78820366, 517036492, 3431267880, 23101377802, 157403218354 (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: A189332 A230937 A018951 * A123135 A327542 A166154

Adjacent sequences:  A019061 A019062 A019063 * A019065 A019066 A019067

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Apr 01 2019

STATUS

approved

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Last modified August 14 13:43 EDT 2022. Contains 356117 sequences. (Running on oeis4.)