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A019206 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite NES = NU-87 H4[ Al4Si64O136 ] . n H2O. 0
0, 0, 6, 6, 4, 29, 62, 96, 264, 739, 1482, 3498, 9563, 22366, 52602, 137884, 346478, 856092, 2212818, 5730183, 14712290, 38341845, 100727048, 264385856, 696960938, 1846718061, 4900124364, 13021788442, 34691352051 (list; graph; refs; listen; history; text; internal format)
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: A045885 A019118 A019126 * A104225 A292179 A255823

Adjacent sequences:  A019203 A019204 A019205 * A019207 A019208 A019209

KEYWORD

nonn,more

AUTHOR

Georg Thimm (mgeorg(AT)ntu.edu.sg)

EXTENSIONS

a(21)-a(31) from Sean A. Irvine, Apr 15 2019

STATUS

approved

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Last modified August 17 00:01 EDT 2022. Contains 356180 sequences. (Running on oeis4.)