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A019099
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite CON = CIT-1 H2[ B2Si54O112 ].
0
0, 2, 2, 5, 18, 20, 34, 148, 243, 673, 1248, 3321, 6864, 17337, 39632, 99576, 243766, 630498, 1574713, 4196482, 10768129, 28840282, 75641476, 202359008, 535092286, 1428265543, 3778608704, 10050453841
OFFSET
3,2
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A184313 A158059 A173323 * A154647 A103890 A292699
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(20)-a(30) from Sean A. Irvine, Apr 04 2019
STATUS
approved