841648domain: NAppears in sequencesCycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite CLO = Cloverite starting with a T2 atom.at n=8A019002G.f.: A(x) = Sum_{n>=0} x^n / (1 - x^n - x^(2*n))^n.at n=30A223547