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A019123
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite EUO = EU-1 Nan [ AlnSi112-n O224 ].
0
0, 0, 4, 6, 4, 30, 65, 104, 277, 756, 1542, 3615, 9759, 23306, 55566, 145499, 370660, 933344, 2428144, 6345229, 16500325, 43314782, 114383765, 302057417, 799656246, 2124592221, 5652658289, 15058739676, 40201128401
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A019195 A019089 A173462 * A308716 A021219 A200127
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(20)-a(31) from Sean A. Irvine, Apr 06 2019
STATUS
approved