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A019196
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, 6, 8, 22, 60, 102, 262, 694, 1564, 3552, 9430, 23423, 57108, 144774, 374118, 953824, 2460356, 6427240, 16851190, 44243785, 117119492, 311098391, 828359180, 2211105633, 5921156854, 15876753164, 42641417130
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A058238 A191697 A073437 * A086561 A083790 A217201
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