A019171 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] starting with a T3 atom.

0, 0, 4, 4, 8, 20, 48, 106, 264, 580, 1462, 3724, 8604, 21558, 55364, 137162, 348320, 900372, 2325534, 6063822, 15903112, 41844862, 110699956, 293478616, 779292432, 2075209638, 5534781586, 14778464050, 39525926012

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: A112435 A232508 A028610 * A038551 A004049 A264172

Adjacent sequences: A019168 A019169 A019170 * A019172 A019173 A019174

Keyword

nonn,more

Author

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

Extensions

a(20)-a(31) from Sean A. Irvine, Apr 11 2019

Status

approved