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A018950 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AET = AlPO4-8 [ Al36P36O144 ]. 0
1, 14, 34, 269, 1202, 7994, 46169, 303556, 1940569, 12977533, 87080228, 597278594, 4140573533, 29113967540, 206824647665 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

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: A103533 A269663 A046425 * A159242 A054309 A321135

Adjacent sequences: A018947 A018948 A018949 * A018951 A018952 A018953

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 03 2019

STATUS

approved

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Last modified March 30 09:17 EDT 2023. Contains 361609 sequences. (Running on oeis4.)