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A019083 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BOG = Boggsite Na4Ca7 [ Al18Si78O192 ] . 74 H2O. 0
0, 2, 2, 5, 13, 20, 46, 114, 260, 540, 1331, 2991, 7330, 17379, 42207, 107163, 267844, 681132, 1774688, 4582373, 11994006, 31536421, 83104162, 219253686, 581094058, 1537435531, 4078681173, 10813797834, 28703228637 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

REFERENCES

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

LINKS

Table of n, a(n) for n=3..31.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A208322 A208175 A078413 * A029856 A072898 A032290

Adjacent sequences:  A019080 A019081 A019082 * A019084 A019085 A019086

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 03 2019

STATUS

approved

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Last modified May 21 03:31 EDT 2022. Contains 353887 sequences. (Running on oeis4.)