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A019013 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite EDI = Edingtonite Ba2 [ Al4Si6O20 ] . 8 H2O. 1

%I

%S 4,4,16,160,852,4732,30184,189504,1205100,7852748,51742664,345137460,

%T 2326824304,15824261632,108475583464

%N Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite EDI = Edingtonite Ba2 [ Al4Si6O20 ] . 8 H2O.

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

%Y Cf. A019062 (agrees until a(10), thereafter differs).

%K nonn,more

%O 2,1

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

%E a(11)-a(16) from _Sean A. Irvine_, Mar 19 2019

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Last modified June 6 13:01 EDT 2020. Contains 334827 sequences. (Running on oeis4.)