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A019172 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFS = ZSM-57 H1.5[ Al1.5Si34.5O72 ]. 0
0, 0, 5, 3, 4, 24, 36, 87, 255, 530, 1313, 3575, 8397, 20589, 54046, 136731, 347334, 903694, 2349517, 6123754, 16067398, 42311690, 111788610, 296037502, 785670359, 2090272145, 5569943701, 14864225284, 39738611650 (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: A117967 A068116 A275836 * A133658 A267445 A071050

Adjacent sequences:  A019169 A019170 A019171 * A019173 A019174 A019175

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

a(21)-a(31) from Sean A. Irvine, Apr 12 2019

STATUS

approved

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Last modified June 5 15:08 EDT 2020. Contains 334848 sequences. (Running on oeis4.)