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A018990 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ATV = AlPO4-25 [ Al12P12O48 ]. 0
0, 10, 20, 244, 1028, 7831, 45586, 320653, 2114588 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

REFERENCES

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

LINKS

Table of n, a(n) for n=2..10.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A217318 A038693 A239237 * A160479 A085222 A085221

Adjacent sequences:  A018987 A018988 A018989 * A018991 A018992 A018993

KEYWORD

nonn

AUTHOR

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

STATUS

approved

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Last modified November 28 20:15 EST 2014. Contains 250399 sequences.