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A019201
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite NAT = Natrolite Na16[ Al16Si24O80 ] . 16 H2O.
0
0, 4, 0, 4, 0, 16, 4, 144, 76, 608, 720, 2668, 5420, 15760, 37408, 95392, 239288, 608356, 1510488, 4016968, 9825508, 26495504, 65169376, 176596032, 438256112, 1187118732, 2985085996, 8026046992, 20498428264, 54743948944
OFFSET
3,2
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A343722 A035622 A112919 * A137660 A123583 A236112
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(21)-a(32) from Sean A. Irvine, Apr 15 2019
STATUS
approved