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A018951 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
2, 16, 34, 261, 1054, 7154, 40978, 273252, 1750672, 11774812, 79284286, 546309289, 3803238482, 26854369810, 191472135408 (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: A009819 A189332 A230937 * A019064 A123135 A327542

Adjacent sequences:  A018948 A018949 A018950 * A018952 A018953 A018954

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 04 2019

STATUS

approved

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Last modified June 26 10:53 EDT 2022. Contains 354881 sequences. (Running on oeis4.)