A019192 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, 8, 4, 20, 68, 108, 258, 704, 1586, 3600, 9474, 23534, 57098, 146818, 381946, 979169, 2546468, 6725314, 17734622, 46896938, 124860502, 333177050, 889946916, 2383867805, 6398917298, 17196251103, 46285522374

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: A275876 A255293 A019246 * A285624 A356636 A334957

Adjacent sequences: A019189 A019190 A019191 * A019193 A019194 A019195

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