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A019188
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, 14, 56, 94, 204, 638, 1508, 3414, 9176, 23232, 57600, 148550, 388584, 1001432, 2614820, 6905866, 18222128, 48202028, 128305452, 342215994, 913945432, 2447695760, 6569189860, 17654039564, 47523604660
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A278363 A123969 A255679 * A019244 A019189 A019190
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