A019235 - OEIS

%I #11 Jan 16 2025 03:56:31

%S 0,0,3,3,6,24,44,77,235,620,1321,3238,8791,21178,52662,140814,362458,

%T 927614,2437267,6376348,16629349,43733016,115226994,303620616,

%U 802665619,2127803992,5649706174,15031089644,40077352795

%N Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite SGT = Sigma-2 [Si64O128].4R 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 3,3

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

%E a(21)-a(31) from _Sean A. Irvine_, Apr 18 2019