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A019035 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite LTL = Linde Type L K6Na3[ Al9Si27O72 ] . 21 H2O. 0
3, 8, 51, 277, 1632, 8767, 48266, 286128, 1759297, 11001440, 70073259, 453737342, 2977044234, 19735901215, 132088008864 (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: A208801 A019044 A265961 * A241469 A153385 A026088

Adjacent sequences:  A019032 A019033 A019034 * A019036 A019037 A019038

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 March 29 15:16 EDT 2020. Contains 333107 sequences. (Running on oeis4.)