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A019176 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFS = ZSM-57 H1.5[ Al1.5Si34.5O72 ]. 0
0, 1, 4, 4, 6, 20, 40, 94, 238, 541, 1294, 3360, 8173, 19987, 51528, 131436, 334749, 866390, 2252976, 5878486, 15411939, 40580608, 107264611, 284120728, 754178471, 2007015523, 5349093515, 14276197975, 38168672182 (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: A195954 A278532 A128089 * A143391 A158661 A264578

Adjacent sequences:  A019173 A019174 A019175 * A019177 A019178 A019179

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(21)-a(31) from Sean A. Irvine, Apr 12 2019

STATUS

approved

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Last modified January 19 20:48 EST 2022. Contains 350466 sequences. (Running on oeis4.)