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A019158 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[ AlnSi96-nO192 ]. 3
0, 0, 3, 7, 3, 18, 59, 101, 262, 700, 1562, 3662, 9304, 22659, 54871, 139034, 355891, 905047, 2336089, 6114813, 16035466, 42243825, 112004236, 297720737, 792722328, 2115471177, 5653468757, 15122594184, 40493000308 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,3

LINKS

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

International Zeolite Association, Database of Zeolite Structures, Structure Commissionof 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: A201385 A186107 A282160 * A086153 A049479 A125314

Adjacent sequences:  A019155 A019156 A019157 * A019159 A019160 A019161

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 10 2019

STATUS

approved

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Last modified January 23 01:48 EST 2020. Contains 331166 sequences. (Running on oeis4.)