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

A376160

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

Terms

    a(0) =1a(1) =4a(2) =25a(3) =260a(4) =3205a(5) =42966a(6) =609567a(7) =8999164a(8) =136811781a(9) =2127343669a(10) =33675622992a(11) =540878965522

External references