A019161 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 ].

0, 0, 4, 6, 8, 30, 59, 110, 307, 702, 1467, 3540, 8881, 21238, 51411, 131267, 336955, 858389, 2231616, 5873842, 15436593, 40783461, 108380373, 288172019, 767283935, 2047446019, 5468198458, 14615722327, 39109795012

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: A089330 A227553 A108270 * A291718 A137026 A090938

Adjacent sequences: A019158 A019159 A019160 * A019162 A019163 A019164

Keyword

nonn,more

Author

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

Extensions

a(20)-a(31) from Sean A. Irvine, Apr 10 2019

Status

approved