G.f. A(x) satisfies A(x/A(x)) = 1/(1-x)^3.

A145161

G.f. A(x) satisfies A(x/A(x)) = 1/(1-x)^3.

Terms

    a(0) =1a(1) =3a(2) =15a(3) =118a(4) =1287a(5) =17547a(6) =279742a(7) =5006016a(8) =98012094a(9) =2064544861a(10) =46251043536

External references