397888domain: NAppears in sequencesE.g.f.: exp(8*x*G(x)^7) / G(x)^7 where G(x) = 1 + x*G(x)^8 is the g.f. of A007556.at n=5A251578G.f. A(x) satisfies: A(x) = x + A( x*A(x) + x*A(x)^3 ).at n=14A271843