A019063 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite VFI = VPI-5 [ Al18P18O72 ]. 42 H2O.

1, 14, 39, 294, 1379, 8928, 51388, 324812, 2004773, 12834757, 82619057, 542545680, 3601617244, 24250827504, 165252463271

Offset

2,2

References

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

Links

Table of n, a(n) for n=2..16.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A162266 A368717 A181149 * A101740 A069126 A124707

Adjacent sequences: A019060 A019061 A019062 * A019064 A019065 A019066

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Apr 02 2019

Status

approved