298152domain: NAppears in sequencesCycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite JBW = NaJ (Barrer and White) Na3[Al3Si3O12].1.5H2O starting with a T2 atom.at n=7A019022G.f. A(x) satisfies A(x) = 1 / (1 - x * (1 + x + x^2) * A(x^3)).at n=19A367652