A033194 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite GOO (Goosecreekite) starting with a T2 atom.

3, 6, 26, 136, 925, 5672, 35526, 228565, 1500561, 9996073, 67585035, 462763757, 3200969510, 22338048739

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..15.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Cf. A019019.

Sequence in context: A359974 A214309 A005646 * A304051 A128437 A200654

Adjacent sequences: A033191 A033192 A033193 * A033195 A033196 A033197

Keyword

nonn,changed

Author

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

Extensions

Name clarified by and a(11)-a(15) from Sean A. Irvine, Jul 05 2020

Status

approved