A019170 - OEIS

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A019170

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, 4, 2, 5, 21, 42, 88, 261, 592, 1384, 3656, 8815, 21561, 55669, 140789, 357647, 925262, 2401128, 6262335, 16412670, 43201778, 114204540, 302442977, 802726911, 2136397918, 5694213070, 15199124391, 40644374977

(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: A121709 A283747 A180109 * A107504 A141674 A329323

Adjacent sequences: A019167 A019168 A019169 * A019171 A019172 A019173

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(21)-a(31) from Sean A. Irvine, Apr 11 2019

STATUS

approved