A019254 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, 0, 4, 8, 4, 16, 30, 60, 192, 428, 966, 2580, 6310, 15270, 38844, 97906, 245106, 622140, 1579962, 4022616, 10300520, 26418034, 67838366, 174898580, 452444030, 1173634490, 3053711460, 7968610458, 20842301982

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: A059159 A028587 A087260 * A304293 A055374 A275876

Adjacent sequences: A019251 A019252 A019253 * A019255 A019256 A019257

Keyword

nonn,more

Author

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

Extensions

a(21)-a(31) from Sean A. Irvine, Apr 19 2019

Status

approved