A019139 - OEIS

%I #11 Jan 15 2025 03:02:48

%S 0,2,0,4,0,18,18,100,190,566,1044,2906,6052,16554,38714,105048,256738,

%T 681482,1701000,4456682,11294306,29512554,75812418,198490158,

%U 514680240,1350074996,3523718014,9264323404,24301933916

%N Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite LOV = Lovdarite K4Na12 [Be8Si28O72].18H2O starting with a T1 atom.

%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 3,2

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

%E a(20)-a(31) from _Sean A. Irvine_, Apr 08 2019