

A019093


Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite CHI = Chiavennite Ca4Mn4 [ Be8Si20O52(OH)8 ] . 8 H2O.


0



0, 1, 1, 5, 2, 9, 7, 51, 54, 269, 383, 1360, 2299, 7403, 12992, 38816, 73818, 211988, 429604, 1191119, 2553132, 6896573, 15364578, 40672718, 93190816, 243089890, 569243543, 1469455978, 3500449951
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OFFSET

3,4


REFERENCES

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422424, 1997.


LINKS

Table of n, a(n) for n=3..31.
G. Thimm, Cycle sequences of crystal structures


CROSSREFS

Sequence in context: A258503 A180726 A018856 * A329986 A097897 A063761
Adjacent sequences: A019090 A019091 A019092 * A019094 A019095 A019096


KEYWORD

nonn,more


AUTHOR

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


EXTENSIONS

a(21)a(31) from Sean A. Irvine, Apr 03 2019


STATUS

approved



