E.g.f. A(x) satisfies A(x) = exp( x * (1+x^2) * A(x)^2 ).

A390058

E.g.f. A(x) satisfies A(x) = exp( x * (1+x^2) * A(x)^2 ).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =55a(4) =849a(5) =17581a(6) =460573a(7) =14588715a(8) =542441441a(9) =23170145401

External references