login
A019191
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, 0, 4, 6, 4, 16, 60, 88, 228, 646, 1478, 3378, 9204, 23076, 56962, 147596, 386464, 997460, 2604046, 6887292, 18184174, 48134500, 128142898, 341816941, 912850576, 2444465346, 6558718548, 17620876747, 47420177380
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A346006 A019077 A019245 * A321355 A185145 A258836
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(21)-a(31) from Sean A. Irvine, Apr 14 2019
STATUS
approved