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A019117
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite EPI = Epistilbite Ca3 [ Al6Si18O48 ] . 16 H2O.
0
0, 0, 5, 4, 4, 24, 44, 86, 230, 499, 1216, 3329, 8059, 20320, 54177, 138028, 352138, 917367, 2382713, 6193160, 16203044, 42592581, 112203219, 296304327, 785315392, 2085553429, 5547221211, 14791385421
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A255332 A071419 A291069 * A204372 A279918 A273986
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(21)-a(30) from Sean A. Irvine, Apr 05 2019
STATUS
approved