login
A019197
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MTW = ZSM-12 Nan[ AlnSi28-nO56 ].
0
0, 0, 4, 8, 8, 20, 66, 126, 284, 698, 1700, 3764, 9788, 24063, 58510, 145944, 376158, 953213, 2446110, 6344582, 16636124, 43540862, 115124512, 305330903, 813484632, 2170046104, 5813727346, 15589605935, 41895664900
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A298119 A089474 A141800 * A066106 A030296 A160171
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