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A019072 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BEA = Beta Nan [ AlnSi64-n O128 ] with n 7. 0
0, 2, 2, 4, 14, 30, 46, 141, 313, 642, 1586, 3566, 7827, 18673, 43608, 101775, 248214, 606621, 1511160, 3855263, 9905069, 25825329, 67971371, 179759191, 477647229, 1271389790, 3384877996, 9010240169, 23958321608 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

REFERENCES

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.

LINKS

Table of n, a(n) for n=3..31.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A153962 A261980 A153953 * A019073 A153959 A006205

Adjacent sequences:  A019069 A019070 A019071 * A019073 A019074 A019075

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 02 2019

STATUS

approved

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Last modified May 19 22:32 EDT 2019. Contains 323411 sequences. (Running on oeis4.)