A019169 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[ AlnSi96-nO192 ].

0, 1, 3, 4, 11, 30, 51, 113, 305, 639, 1418, 3463, 8352, 20344, 50282, 127499, 328081, 844151, 2196789, 5779470, 15214133, 40183798, 106645372, 283296505, 753426544, 2008037446, 5357984493, 14309900503, 38268992446

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: A268478 A180363 A100845 * A049979 A084378 A038559

Adjacent sequences: A019166 A019167 A019168 * A019170 A019171 A019172

Keyword

nonn,more

Author

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

Extensions

a(20)-a(31) from Sean A. Irvine, Apr 11 2019

Status

approved