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A019202
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite NES = NU-87 H4[ Al4Si64O136 ] . n H2O.
0
0, 0, 4, 4, 8, 30, 52, 103, 289, 707, 1486, 3513, 9229, 21679, 51373, 133607, 336395, 839750, 2185547, 5693422, 14775023, 38903387, 102970446, 272352898, 723149230, 1926009090, 5131018080, 13681082773, 36530345424
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A004049 A264172 A019122 * A137717 A096252 A102369
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(20)-a(31) from Sean A. Irvine, Apr 15 2019
STATUS
approved