A019186 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 ].

0, 0, 2, 8, 6, 16, 58, 120, 250, 672, 1616, 3754, 9534, 23898, 59600, 151961, 393164, 1015022, 2648698, 6968726, 18376842, 48656345, 129493884, 345291813, 922507740, 2471468426, 6633836472, 17830265435, 48005356190

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: A124356 A277249 A320262 * A019187 A019243 A246009

Adjacent sequences: A019183 A019184 A019185 * A019187 A019188 A019189

Keyword

nonn,more

Author

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

Extensions

a(20)-a(31) from Sean A. Irvine, Apr 13 2019

Status

approved