A019048 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite PAR = Partheite Ca8[Al16Si16O60(OH)8].16H2O starting with a T3 atom.

2, 6, 25, 94, 444, 2265, 12105, 66539, 383450, 2244131, 13201722, 78113002, 466213178, 2807354677, 17043789666

Offset

2,1

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: A030228 A066317 A027104 * A289604 A028302 A064811

Adjacent sequences: A019045 A019046 A019047 * A019049 A019050 A019051

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 28 2019

Status

approved