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A019067 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, 0, 4, 5, 6, 31, 64, 139, 378, 744, 1698, 4181, 8772, 20390, 48362, 110784, 267832, 655285, 1620786, 4118867, 10563612, 27476768, 72198838, 190698257, 506006608, 1345521862, 3579314908, 9520710621 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,3

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..30.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A048016 A287648 A081406 * A095212 A166042 A321772

Adjacent sequences:  A019064 A019065 A019066 * A019068 A019069 A019070

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(30) from Sean A. Irvine, Apr 01 2019

STATUS

approved

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Last modified May 23 07:00 EDT 2019. Contains 323508 sequences. (Running on oeis4.)