A019044 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite OFF = Offretite (Ca,Mg)1.5K[ Al4Si14O36 ] . 14 H2O.

3, 8, 50, 261, 1500, 7448, 38286, 217801, 1323607, 8389835, 54887530, 368925844, 2526737185, 17469769442, 121397755363

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: A005444 A222684 A208801 * A265961 A019035 A241469

Adjacent sequences: A019041 A019042 A019043 * A019045 A019046 A019047

Keyword

nonn,more

Author

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

Extensions

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

Status

approved