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A019242
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite STI = Stilbite Na4Ca8[ Al20Si52O144 ] . 56 H2O.
0
0, 3, 2, 10, 10, 19, 50, 86, 184, 436, 980, 2500, 5890, 15348, 37898, 96636, 249382, 637710, 1643574, 4245268, 10925428, 28374228, 73419954, 190918200, 497509618, 1298451532, 3398193498, 8910240128, 23406398134
OFFSET
3,2
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A214966 A367300 A103245 * A064367 A113980 A095675
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(21)-a(31) from Sean A. Irvine, Apr 18 2019
STATUS
approved