476856774184domain: NAppears in sequencesG.f. C(x) satisfies: C(x) = 1/((1-x*A(x))*(1-x*B(x)^2)) such that A(x) = 1/((1-x*B(x)^2)*(1-x*C(x)^3)) and B(x) = 1/((1-x*A(x))*(1-x*C(x)^3)) are the g.f.s of A341954 and A341955, respectively.at n=13A341956