A019256 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].48H2O starting with a T3 atom.

1, 1, 0, 0, 0, 8, 32, 94, 214, 406, 880, 2074, 5306, 14210, 36964, 92980, 234406, 597498, 1534998, 3971724, 10292662, 26631740, 68951396, 179026062, 466232040, 1217413238, 3186168982, 8354182670, 21938929228

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: A159941 A375002 A053348 * A286399 A014969 A139820

Adjacent sequences: A019253 A019254 A019255 * A019257 A019258 A019259

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