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A018952 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AFG = Afghanite (Na2,Ca,K2)12 [ Al24Si24O96 ]. 0
2, 6, 33, 202, 1042, 6206, 38572, 252894, 1685564, 11367911, 77773792, 538226451, 3755728475, 26423241960, 187316098603 (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: A162429 A279461 A243324 * A019028 A280769 A127114

Adjacent sequences:  A018949 A018950 A018951 * A018953 A018954 A018955

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 May 25 16:50 EDT 2022. Contains 354071 sequences. (Running on oeis4.)