2051893701domain: NAppears in sequencesa(n) = 9^n*Catalan(n).at n=7A156273a(n) = (1/4!)*3^(n+2)*(n+7)*(n+2)*(n+1)*(n).at n=10A288838Normalized volume of the Caracol flow polytope. Also equal to the number of "unified diagrams" of the Caracol graph (see Section 4.3 and Section 5 in Benedetti et al. reference).at n=7A331799