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A019080 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, 1, 3, 9, 11, 25, 49, 149, 266, 587, 1428, 3157, 7314, 17592, 41512, 106222, 261835, 672519, 1737880, 4544713, 11855007, 31397844, 82703872, 219137228, 580141297, 1538683074, 4079553827, 10827431751 (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..30.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A302422 A032665 A032915 * A060141 A107757 A191180

Adjacent sequences:  A019077 A019078 A019079 * A019081 A019082 A019083

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(30) from Sean A. Irvine, Apr 03 2019

STATUS

approved

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Last modified July 17 08:38 EDT 2019. Contains 325095 sequences. (Running on oeis4.)