A019146 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MEI = ZSM-18 Nan [ AlnSi34-nO68 ] . 28 H2O (n=2.1-5.7).

0, 3, 1, 8, 11, 25, 38, 77, 180, 434, 1022, 2460, 6163, 13595, 34346, 85405, 201291, 534842, 1290281, 3398688, 8635386, 22438963, 58292664, 151239399, 394590890, 1026372305, 2676536512, 6976484065, 18184359207, 47451850753

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..32.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A049760 A343812 A357847 * A102537 A131202 A287987

Adjacent sequences: A019143 A019144 A019145 * A019147 A019148 A019149

Keyword

nonn,more

Author

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

Extensions

a(21)-a(32) from Sean A. Irvine, Apr 09 2019

Status

approved