%I
%S 0,1,4,1,12,34,48,96,252,606,1288,3134,8270,19542,48694,129742,332080,
%T 854110,2249258,5877476,15356834,40458364,106629524,281136526,
%U 743677614,1971538978,5234641970,13926363260,37124297350
%N Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite SGT = Sigma2 [ Si64O128 ] . 4 R.
%H <a href="http://www.izastructure.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://dnb.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/S01442449(97)00122X">Zeolite cycle sequences</a>, Zeolites, 19(56) (1997), 422424.
%K nonn,more
%O 3,3
%A Georg Thimm (mgeorg(AT)ntu.edu.sg)
%E a(20)a(31) from _Sean A. Irvine_, Apr 18 2019
