

A019030


Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite LIO = Liottite (Ca,Na2,K2)9 [ Al18Si18O72 ].


0



2, 7, 36, 234, 1096, 6515, 39238, 253162, 1671696, 11247639, 76975506, 533525387, 3728968546, 26270971848, 186444110128
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OFFSET

2,1


REFERENCES

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


LINKS

Table of n, a(n) for n=2..16.
G. Thimm, Cycle sequences of crystal structures


CROSSREFS

Sequence in context: A177258 A018997 A018954 * A212411 A119736 A308750
Adjacent sequences: A019027 A019028 A019029 * A019031 A019032 A019033


KEYWORD

nonn,more


AUTHOR

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


EXTENSIONS

a(11)a(16) from Sean A. Irvine, Mar 25 2019


STATUS

approved



