A019160 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[ AlnSi96-nO192 ].

0, 0, 4, 6, 8, 24, 55, 122, 284, 640, 1499, 3523, 8555, 21207, 52142, 131769, 340170, 873080, 2262490, 5947043, 15649920, 41289048, 109539183, 291179345, 774884877, 2066087278, 5516257587, 14741851755, 39438287815

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..31.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A272862 A361662 A106366 * A126233 A059889 A058011

Adjacent sequences: A019157 A019158 A019159 * A019161 A019162 A019163

Keyword

nonn,more

Author

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

Extensions

a(20)-a(31) from Sean A. Irvine, Apr 10 2019

Status

approved