G.f. satisfies: A(x) = (1 + x*A(x)^(3/2))^4.

A212073

G.f. satisfies: A(x) = (1 + x*A(x)^(3/2))^4.

Terms

    a(0) =1a(1) =4a(2) =30a(3) =280a(4) =2925a(5) =32736a(6) =383838a(7) =4654320a(8) =57887550a(9) =734405100a(10) =9467075926a(11) =123648163392

External references