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A018984 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ATO = AlPO4-31 [ Al18P18O72 ]. 0

%I

%S 1,9,48,180,1322,6853,43804,283623,1885015,13026464,90977470,

%T 644191249,4594696120,32969721835,237966662872

%N Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ATO = AlPO4-31 [ Al18P18O72 ].

%D G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.

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

%K nonn,more

%O 2,2

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

%E a(11)-a(16) from _Sean A. Irvine_, Mar 13 2019

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Last modified January 23 22:36 EST 2020. Contains 331177 sequences. (Running on oeis4.)