E.g.f. satisfies: A'(x) = 1/(1 - x*A(x))^2 with A(0)=1.

A144011

E.g.f. satisfies: A'(x) = 1/(1 - x*A(x))^2 with A(0)=1.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =10a(4) =72a(5) =704a(6) =8640a(7) =127968a(8) =2220288a(9) =44179200a(10) =991802880a(11) =24799656960a(12) =683533762560

External references