A019188 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MTT = ZSM-23 Nan[ AlnSi24-nO48 ].

0, 0, 4, 6, 4, 14, 56, 94, 204, 638, 1508, 3414, 9176, 23232, 57600, 148550, 388584, 1001432, 2614820, 6905866, 18222128, 48202028, 128305452, 342215994, 913945432, 2447695760, 6569189860, 17654039564, 47523604660

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: A278363 A123969 A255679 * A019244 A019189 A019190

Adjacent sequences: A019185 A019186 A019187 * A019189 A019190 A019191

Keyword

nonn,more

Author

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

Extensions

a(20)-a(31) from Sean A. Irvine, Apr 14 2019

Status

approved