A019207 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite NES = NU-87 H4[ Al4Si64O136 ] . n H2O.

0, 1, 4, 0, 10, 32, 42, 93, 280, 627, 1296, 3227, 8260, 18880, 46260, 121257, 301878, 766769, 2025768, 5294343, 13898086, 37039711, 98698760, 262959913, 703299082, 1882083791, 5032313490, 13461166337, 36020433038

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: A181626 A279432 A019127 * A373742 A298449 A298056

Adjacent sequences: A019204 A019205 A019206 * A019208 A019209 A019210

Keyword

nonn,more

Author

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

Extensions

a(20)-a(31) from Sean A. Irvine, Apr 15 2019

Status

approved