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].16H2O starting with a T1 atom.

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.

Links

Table of n, a(n) for n=3..31.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A099507 A331413 A019104 * A019181 A132996 A019182

Adjacent sequences: A019116 A019117 A019118 * A019120 A019121 A019122

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