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A019032 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite LOS = Losod Na12 [ Al12Si12O48 ] . 18 H2O. 0
2, 6, 34, 225, 1108, 6814, 40830, 258390, 1704706, 11483986, 78531212, 544591261, 3813975204, 26931986031, 191557261506 (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: A009199 A052824 A019029 * A108424 A328884 A002685

Adjacent sequences:  A019029 A019030 A019031 * A019033 A019034 A019035

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 25 2019

STATUS

approved

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Last modified April 9 08:41 EDT 2020. Contains 333344 sequences. (Running on oeis4.)