E.g.f.: Series_Reversion( -x + 2*x*exp(-x) ).

A259062

E.g.f.: Series_Reversion( -x + 2*x*exp(-x) ).

Terms

    a(0) =1a(1) =4a(2) =42a(3) =728a(4) =17630a(5) =548532a(6) =20852370a(7) =936655792a(8) =48540537702

External references