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%I #13 Jun 26 2019 18:02:51
%S 3,8,49,259,1478,7448,38788,219569,1333733,8486181,55791794,375324308,
%T 2564288273,17682410960,122670267805
%N Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ERI = Erionite (Na2,Ca..)3.5 K2 [ Al9Si27O72 ] . 27 H2O.
%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.
%K nonn,more
%O 2,1
%A Georg Thimm (mgeorg(AT)ntu.edu.sg)
%E a(11)-a(16) from _Sean A. Irvine_, Mar 20 2019
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