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A019078 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, 2, 9, 7, 25, 43, 150, 237, 595, 1421, 3272, 7538, 18461, 44085, 112468, 278414, 714410, 1838427, 4790046, 12438561, 32784929, 86018271, 227228221, 599998519, 1588502909, 4207771346, 11159921544 (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: A254595 A137453 A063381 * A205384 A199181 A011071

Adjacent sequences:  A019075 A019076 A019077 * A019079 A019080 A019081

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(30) from Sean A. Irvine, Apr 02 2019

STATUS

approved

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Last modified July 17 16:58 EDT 2019. Contains 325107 sequences. (Running on oeis4.)