A019007 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite DFO = DAF-1 [Mg14Al52P66O264].7R.40H2O starting with a T1 atom.

3, 13, 37, 200, 960, 5234, 29645, 181949, 1177256, 7902692, 53837109, 367866717, 2508479243, 17078631504, 116405435614

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: A196235 A120479 A146227 * A147554 A076800 A277411

Adjacent sequences: A019004 A019005 A019006 * A019008 A019009 A019010

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 18 2019

Status

approved