A019190 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MTT = ZSM-23 Nan[AlnSi24-nO48] starting with a T5 atom.

0, 0, 4, 6, 4, 14, 60, 90, 216, 630, 1496, 3382, 9144, 22952, 57168, 147708, 386212, 997816, 2608600, 6894104, 18203272, 48193590, 128294936, 342193010, 913922604, 2447360528, 6566442000, 17642534388, 47481137536

Offset

3,3

References

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

Links

Table of n, a(n) for n=3..31.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A019188 A019244 A019189 * A143174 A032241 A065748

Adjacent sequences: A019187 A019188 A019189 * A019191 A019192 A019193

Keyword

nonn,more

Author

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

Extensions

a(21)-a(31) from Sean A. Irvine, Apr 14 2019

Status

approved