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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 ] . 48 H2O. 0
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 (list; graph; refs; listen; history; text; internal format)
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: A132117 A159941 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

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Last modified May 22 05:03 EDT 2019. Contains 323473 sequences. (Running on oeis4.)