A019147 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MEI = ZSM-18 Nan [ AlnSi34-nO68 ] . 28 H2O (n=2.1-5.7).

1, 0, 4, 6, 21, 32, 46, 88, 190, 468, 1046, 2370, 6015, 12766, 33972, 81676, 202255, 504674, 1275789, 3206424, 8249961, 21031764, 54337702, 140377742, 364430952, 948642166, 2473160606, 6456496008, 16874434634

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: A048789 A038069 A274425 * A026722 A323845 A229743

Adjacent sequences: A019144 A019145 A019146 * A019148 A019149 A019150

Keyword

nonn,more

Author

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

Extensions

a(21)-a(31) from Sean A. Irvine, Apr 09 2019

Status

approved