A019045 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 T1 atom.

1, 5, 15, 61, 286, 1424, 7603, 42033, 242336, 1419240, 8348112, 49281446, 293296988, 1761636405, 10672424994

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: A149605 A149606 A363466 * A191678 A149607 A149608

Adjacent sequences: A019042 A019043 A019044 * A019046 A019047 A019048

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