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A019000 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite CLO = Cloverite. 0
3, 14, 20, 121, 631, 3593, 19440, 113290, 670273, 3972293, 23325150, 136469423, 803743103, 4797298204, 29074946027 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

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

Database of Zeolite Structures, Structure Commission of the International Zeolite Association, revised 2017.

Georg Thimm, Cycle sequences of crystal structures.

Georg Thimm, Personal website (archived).

Georg Thimm, A graph theoretical approach to the analysis, comparison, and enumeration of crystal structures, Dissertation, Goethe University Frankfurt, Germany, 2008.

Georg Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19(5-6) (1997), 422-424.

CROSSREFS

Sequence in context: A271384 A108420 A015639 * A305090 A071836 A300216

Adjacent sequences:  A018997 A018998 A018999 * A019001 A019002 A019003

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 17 2019

STATUS

approved

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Last modified February 22 05:54 EST 2020. Contains 332116 sequences. (Running on oeis4.)