A019167 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[AlnSi96-nO192] starting with a T12 atom.

0, 0, 6, 5, 7, 35, 57, 107, 322, 660, 1430, 3576, 8424, 20414, 50587, 126317, 325163, 836308, 2160569, 5689990, 15010004, 39609681, 105287045, 280362602, 746474009, 1992061356, 5322307432, 14224337143, 38055181243

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: A063046 A104909 A266077 * A019324 A093457 A195446

Adjacent sequences: A019164 A019165 A019166 * A019168 A019169 A019170

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