G.f. satisfies: 36*A(x) = 35 + 81*x + A(x)^9, starting with [1,3,12].

A120606

G.f. satisfies: 36*A(x) = 35 + 81*x + A(x)^9, starting with [1,3,12].

Terms

    a(0) =1a(1) =3a(2) =12a(3) =180a(4) =3018a(5) =56238a(6) =1121484a(7) =23406804a(8) =504914175a(9) =11167352013a(10) =251879507880

External references