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A019083
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BOG = Boggsite Na4Ca7 [ Al18Si78O192 ] . 74 H2O.
0
0, 2, 2, 5, 13, 20, 46, 114, 260, 540, 1331, 2991, 7330, 17379, 42207, 107163, 267844, 681132, 1774688, 4582373, 11994006, 31536421, 83104162, 219253686, 581094058, 1537435531, 4078681173, 10813797834, 28703228637
OFFSET
3,2
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19 (1997), pp. 422-424.
CROSSREFS
Sequence in context: A208175 A375446 A078413 * A355863 A029856 A072898
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(20)-a(31) from Sean A. Irvine, Apr 03 2019
STATUS
approved