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A019019 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite GOO = Goosecreekite Ca2 [ Al4Si12O32 ] . 10 H2O. 0
2, 4, 26, 134, 958, 6034, 37650, 242504, 1590952, 10574462, 71449792, 489478402, 3388172486, 23660827272, 166485808342 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

REFERENCES

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.

LINKS

Table of n, a(n) for n=2..16.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A085700 A087404 A009237 * A215882 A032328 A019034

Adjacent sequences:  A019016 A019017 A019018 * A019020 A019021 A019022

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 21 2019

STATUS

approved

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Last modified January 27 17:58 EST 2020. Contains 331296 sequences. (Running on oeis4.)