A019257 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite VNI = VPI-9 Rb44K4[ Zn24Si96O240 ] . 48 H2O.

1, 1, 0, 0, 0, 10, 34, 92, 224, 422, 834, 2008, 5302, 14064, 36656, 92804, 233948, 596458, 1533160, 3964616, 10271812, 26577988, 68799820, 178606816, 465097808, 1214336920, 3177879700, 8331916782, 21879276690

Offset

3,6

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: A218329 A009924 A297721 * A288782 A020877 A119171

Adjacent sequences: A019254 A019255 A019256 * A019258 A019259 A019260

Keyword

nonn,more

Author

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

Extensions

a(21)-a(31) from Sean A. Irvine, Apr 20 2019

Status

approved