G.f. satisfies: 5*A(x) = 4 + 4*x + A(x)^3, starting with [1,2,6].

A120592

G.f. satisfies: 5*A(x) = 4 + 4*x + A(x)^3, starting with [1,2,6].

Terms

    a(0) =1a(1) =2a(2) =6a(3) =40a(4) =330a(5) =3048a(6) =30156a(7) =312528a(8) =3349170a(9) =36809960a(10) =412651668a(11) =4700098416a(12) =54237852708a(13) =632762593680

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