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, 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

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 * A352865 A095212 A166042

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