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%I #19 Jun 26 2019 21:07:21
%S 4,4,16,160,852,4732,30184,189504,1205100,7852660,51742748,345148988,
%T 2326869772,15824127132,108475211920
%N Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite THO = Thomsonite Na4Ca8[ Al20Si20O80 ] . 24 H2O.
%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.
%Y Cf. A019013 (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 31 2019
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