A018999 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite CLO = Cloverite starting with a T5 atom.

3, 12, 10, 50, 306, 1788, 9420, 54166, 320796, 1915104, 11251252, 65388276, 380648010, 2245338222, 13485086750

Offset

2,1

References

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.

Links

Table of n, a(n) for n=2..16.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A207852 A182455 A110345 * A380057 A279305 A217785

Adjacent sequences: A018996 A018997 A018998 * A019000 A019001 A019002

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 17 2019

Status

approved