A019068 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BEA = Beta Nan [ AlnSi64-n O128 ] with n 7.

0, 0, 5, 4, 12, 34, 54, 152, 360, 669, 1661, 3856, 8167, 19462, 45722, 105386, 255448, 624360, 1549315, 3945767, 10147944, 26472937, 69822227, 185025991, 492510221, 1313320180, 3501289056

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..29.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A316671 A338157 A189235 * A215947 A226555 A147685

Adjacent sequences: A019065 A019066 A019067 * A019069 A019070 A019071

Keyword

nonn,more

Author

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

Extensions

a(20)-a(29) from Sean A. Irvine, Apr 01 2019

Status

approved