A019166 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, 6, 4, 4, 33, 55, 95, 291, 628, 1309, 3349, 8195, 19803, 49968, 127374, 328464, 851809, 2221390, 5855200, 15465224, 40887162, 108565617, 288670285, 767774575, 2045483183, 5456153646, 14564067161, 38919814973

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: A209273 A330934 A019174 * A058158 A249185 A021159

Adjacent sequences: A019163 A019164 A019165 * A019167 A019168 A019169

Keyword

nonn,more

Author

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

Extensions

a(21)-a(31) from Sean A. Irvine, Apr 11 2019

Status

approved