A019046 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 T4 atom.

1, 5, 18, 83, 380, 2037, 11099, 62899, 365398, 2140181, 12586566, 74317786, 442621047, 2661474374, 16143433895

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: A259340 A241713 A002826 * A343165 A141733 A216723

Adjacent sequences: A019043 A019044 A019045 * A019047 A019048 A019049

Keyword

nonn,more,changed

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 27 2019

Status

approved