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Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite APD = AlPO4-D [Al16P16O64] starting from a T1 atom.
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%I #21 Jan 14 2025 23:16:42

%S 2,7,25,155,1109,6599,41916,268294,1804922,12288435,84812079,

%T 591842347,4174903242,29718998597,213198431987

%N Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite APD = AlPO4-D [Al16P16O64] starting from a T1 atom.

%H <a href="http://www.iza-structure.org/databases/">Database of Zeolite Structures</a>, Structure Commission of the International Zeolite Association, revised 2017.

%H Georg Thimm, <a href="/thimm1.html">Cycle sequences of crystal structures</a>.

%H Georg Thimm, <a href="https://web.archive.org/web/20070702024520/http://www.adam.ntu.edu.sg/~mgeorg/">Personal website (archived)</a>.

%H Georg Thimm, <a href="https://d-nb.info/1001825144/34">A graph theoretical approach to the analysis, comparison, and enumeration of crystal structures</a>, Dissertation, Goethe University Frankfurt, Germany, 2008.

%H Georg Thimm and W. E. Klee, <a href="https://doi.org/10.1016/S0144-2449(97)00122-X">Zeolite cycle sequences</a>, Zeolites, 19(5-6) (1997), 422-424 [Subscription required].

%K nonn,more

%O 2,1

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

%E a(11)-a(16) from _Sean A. Irvine_, Mar 12 2019