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A019265 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite YUG = Yugawaralite Ca2[ Al4Si12O32 ] . 8 H2O. 0
0, 2, 2, 0, 10, 12, 24, 92, 192, 520, 1332, 3140, 7972, 20154, 50748, 130860, 335402, 866865, 2249753, 5853864, 15304021, 40137553, 105683640, 279077974, 738710148, 1960352325, 5211885181, 13884679308, 37062272542 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

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: A243203 A268652 A111810 * A285539 A285783 A117270

Adjacent sequences:  A019262 A019263 A019264 * A019266 A019267 A019268

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 20 2019

STATUS

approved

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Last modified May 10 01:06 EDT 2021. Contains 343747 sequences. (Running on oeis4.)