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A019044
Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite OFF = Offretite (Ca,Mg)1.5K[ Al4Si14O36 ] . 14 H2O.
0
3, 8, 50, 261, 1500, 7448, 38286, 217801, 1323607, 8389835, 54887530, 368925844, 2526737185, 17469769442, 121397755363
OFFSET
2,1
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A005444 A222684 A208801 * A265961 A019035 A241469
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 27 2019
STATUS
approved