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A019119
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, 1, 4, 2, 6, 24, 28, 70, 220, 418, 1079, 3229, 7816, 20030, 54017, 137231, 351289, 913028, 2360630, 6135502, 16039333, 42102137, 110891643, 292830804, 775990286, 2060703746, 5481264472, 14616590748, 39049205927
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A099507 A331413 A019104 * A019181 A132996 A019182
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(21)-a(31) from Sean A. Irvine, Apr 06 2019
STATUS
approved