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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, 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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified June 20 01:36 EDT 2019. Contains 324223 sequences. (Running on oeis4.)