A019187 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, 2, 8, 6, 16, 58, 120, 252, 670, 1618, 3754, 9522, 23886, 59622, 151875, 392938, 1014709, 2648440, 6966849, 18374138, 48654893, 129490838, 345287097, 922517576, 2471493256, 6633768512, 17829837307, 48003235776

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: A277249 A320262 A019186 * A019243 A375737 A246009

Adjacent sequences: A019184 A019185 A019186 * A019188 A019189 A019190

Keyword

nonn,more

Author

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

Extensions

a(20)-a(31) from Sean A. Irvine, Apr 13 2019

Status

approved